Breeding Greyhounds

Complete Guide for Responsible Breeders

Breeding Greyhounds requires understanding this ancient breed's unique reproductive characteristics, including a 75% frozen semen AI rate, extended 68-day gestation period, and critical DNA testing for polyneuropathy. This comprehensive guide addresses the sighthound-specific considerations that make breeding Greyhounds distinct from other hound breeds.

Breed Overview

The Greyhound is one of the most ancient dog breeds, with depictions dating back to ancient Egypt over 4,000 years ago. Bred for coursing game and racing, Greyhounds were prized by nobility throughout history for their incredible speed, grace, and hunting prowess. The breed's elegant form and gentle temperament have made them beloved companions for millennia, while their athletic abilities continue to captivate in modern racing and lure coursing.

Recognized by the AKC in 1885, the Greyhound is a member of the Hound Group and currently ranks approximately 150th in popularity. Despite being bred for speed, Greyhounds are famously calm and affectionate house dogs. The breed's stable registration trend reflects a unique demographic reality: many Greyhounds in homes today are retired racing dogs adopted through rescue organizations rather than AKC-registered show or breeding stock. This impacts the breeding community, which focuses on preserving the show-type Greyhound's conformation, temperament, and health.

The Greyhound Club of America serves as the national parent club, promoting responsible breeding practices and maintaining breed standards. For breeders, understanding the Greyhound's specialized reproductive needs—particularly the dominance of frozen semen artificial insemination and extended gestation—is essential for program success.

For breeders exploring the hound group, our guides on Afghan Hound and American English Coonhound offer useful comparisons.

Breed Standard Summary for Breeders

The Greyhound is built for speed, with every aspect of conformation optimized for maximum efficiency in motion. Breeders must prioritize overall balance and proportion above individual features. The breed standard notably states that "color is immaterial," meaning all coat colors and patterns are equally acceptable with no disqualifications—a rarity among AKC breeds.

Size specifications:

• Males: 27-30 inches tall, 65-70 pounds
• Females: 26-28 inches tall, 60-65 pounds

Sexual dimorphism is evident, with males presenting a more substantial frame while maintaining the breed's characteristic elegance.

Key structural priorities for breeding stock:

• Deep chest with proper width and rib spring: The chest must provide adequate heart and lung room while maintaining the narrow, streamlined profile essential for speed. Shallow or narrow chests are serious faults that compromise athletic function.
• Long, powerful, well-muscled hindquarters: The rear assembly provides the explosive propulsion that defines Greyhound movement. Weak or overly angulated hindquarters undermine the breed's purpose.
• Clean, narrow head with proper length: The long, narrow head with minimal stop is breed-defining. Round or broad skulls contradict breed type.
• Correct proportions and balance: No single feature should dominate. The entire dog must flow harmoniously from nose to tail.
• Sound movement with reach and drive: Movement evaluation reveals structural correctness. Look for effortless ground coverage with powerful rear drive and front reach.
• Flexible topline and proper loin length: The slight arch over the loin contributes to the Greyhound's galloping ability.

Serious faults to select against:

• Coarse or overly muscular build (contradicts the breed's refined elegance)
• Short or thick neck (disrupts flow and balance)
• Shallow chest lacking depth (compromises athletic capacity)
• Poor movement lacking drive or reach (indicates structural deficiency)
• Heavy bone or excessive substance (adds weight without function)

The breed standard includes no disqualifications, allowing breeders flexibility in selection while emphasizing function and type. Breeding stock should demonstrate correct sighthound temperament: gentle, affectionate, and even-tempered, with natural prey drive but no aggression toward people or inappropriate dog-aggression.

Reproductive Profile

Greyhounds present distinctive reproductive characteristics that set them apart from most breeds. Understanding these patterns is critical for breeding program planning and whelping preparation.

Average litter size: 8 puppies (range: 1-12)

Litter size distribution patterns: Greyhound litters show considerable variability. While the average is 8 puppies, litters commonly range from 5-10 puppies, with occasional extremes of singletons or very large litters of 11-12 puppies. Mid-sized litters (6-8 puppies) typically whelp more successfully than extremes.

C-section rate and patterns: The overall C-section rate for Greyhounds is approximately 38%, but this figure masks important size-related patterns:

• Small litters (1-2 puppies): 83% C-section rate due to insufficient hormonal stimulation for labor and oversized individual puppies
• Mid-sized litters (3-8 puppies): Lower C-section rates with higher natural whelping success
• Large litters (9+ puppies): Elevated C-section rates due to uterine inertia and positioning challenges

The deep, narrow chest conformation can complicate natural delivery of large litters, making careful monitoring essential. Breeders should prepare for surgical intervention while hoping for natural whelping.

Extended gestation period: Greyhounds average 68 days of gestation compared to the typical 63 days for most breeds. This extended pregnancy duration complicates due date prediction and makes progesterone testing absolutely critical for timing breedings and anticipating whelping. Relying on a 63-day countdown will leave breeders unprepared.

Artificial insemination dominance: A remarkable 75% of Greyhound puppies in the USA are born via frozen semen using transcervical insemination (TCI). This extraordinarily high AI rate reflects several factors:

• Geographic dispersion of quality breeding stock
• Desire to access champion bloodlines nationally and internationally
• Excellent success rates with frozen semen (88% whelping rate)
• Breed's physiological compatibility with AI protocols

Greyhounds demonstrate higher frozen semen success rates compared to many other breeds, making this reproductive method particularly viable. Fresh, fresh-chilled, and frozen semen all work successfully, but frozen semen via TCI has become the standard approach for serious breeding programs. Breeders should establish relationships with reproductive veterinarians experienced in TCI procedures and semen handling.

Fertility considerations: Beyond litter size extremes and extended gestation, Greyhounds generally exhibit good fertility. Bitches over 7 years tend to produce smaller litters and experience higher delivery complication rates, making earlier breeding ages preferable for optimal outcomes.

Breeding Age and Timeline

Greyhounds and other sighthounds mature somewhat later than smaller breeds, requiring patience before initiating breeding programs.

Female first heat: Typically occurs between 12-18 months of age. This is later than many small breeds but normal for large sighthounds. Some females may not cycle until closer to 18 months.

Recommended first breeding age:

• Females: Second or third heat, typically 18-24 months of age. This allows physical maturity and completion of health clearances before breeding.
• Males: 18-24 months after completing health testing, particularly cardiac evaluation and DNA screening. Males can be used for breeding throughout their lives if health permits, but semen quality should be periodically evaluated in older studs.

Health testing timeline: The minimum age for OFA cardiac certification is 12 months, but 24 months is recommended if pursuing hip evaluation (though hip dysplasia is rare in Greyhounds with an extremely low prevalence). DNA tests for polyneuropathy can be performed at any age. Plan to complete all required CHIC tests before first breeding.

Breeding frequency: Limit females to one litter per year maximum to allow full physical recovery between pregnancies. The combination of extended gestation (68 days) and 8-10 week lactation period means Greyhound females need substantial recovery time.

Retirement age: 6-7 years is recommended for retiring breeding females. Bitches over 7 years face increased risks of smaller litters and whelping complications. Some programs retire females earlier after achieving breeding goals.

Maximum lifetime litters: Limit to 4 litters per female across her breeding career. This conservative approach prioritizes the female's long-term health and quality of life.

Complete breeding timeline (first-time breeding):

1. 18-22 months: Complete all health clearances (cardiac, eye, polyneuropathy DNA, DNA repository)
2. Heat detection: Monitor for proestrus signs; begin progesterone testing when bleeding starts
3. Progesterone monitoring: Test every 2-3 days to identify ovulation window (critical for the 68-day gestation)
4. Breeding: Natural mating, fresh AI, or frozen semen TCI at optimal progesterone levels
5. Pregnancy confirmation: Ultrasound at 28-30 days, radiograph at 55+ days for puppy count
6. Whelping preparation: Day 60-66 based on progesterone-calculated due date (remember the 68-day gestation!)
7. Whelping: Natural or surgical delivery; day 66-70 typical
8. Puppy care: 8-10 weeks of intensive rearing, socialization, and structural evaluation
9. Placement: Puppies go to new homes at 8-10 weeks minimum

The extended gestation period means breeders must adjust standard timelines. Mark whelping dates based on progesterone surge, not breeding date, to avoid premature intervention or late emergency situations.

Required Health Testing

The Greyhound Club of America and the Canine Health Information Center (CHIC) have established specific health testing requirements for breeding Greyhounds. Responsible breeders complete all required tests and make results publicly available through the OFA database.

CHIC Required Tests:

1. Cardiac Evaluation (Basic or Advanced)

• Screens for: Congenital and acquired heart disease, heart murmurs
• Estimated cost: $75
• Frequency: One-time (though cardiac screening before each breeding is prudent)
• Details: Greyhounds show an increased predisposition to heart murmurs (odds ratio 1.78), though many murmurs have minimal clinical significance in this breed. Both basic auscultation by a veterinarian and advanced echocardiogram evaluation by a board-certified cardiologist are accepted for CHIC. The advanced evaluation provides more detailed assessment of cardiac structure and function.

2. ACVO Eye Examination

• Screens for: Hereditary eye diseases including cataracts, progressive retinal atrophy (PRA), retinal dysplasia
• Estimated cost: $85
• Frequency: Annual
• Details: Must be performed by a board-certified veterinary ophthalmologist. Annual re-examination is required to maintain CHIC status. Schedule eye exams before each breeding and annually throughout the dog's breeding career.

3. Polyneuropathy DNA Test (NDRG1)

• Screens for: Greyhound polyneuropathy, a progressive neurological disease
• Estimated cost: $75
• Frequency: One-time (DNA test result is permanent)
• Details: This is the single most important breed-specific health test for Greyhounds. Polyneuropathy is an autosomal recessive disorder causing progressive muscle weakness and paralysis in affected dogs, typically with onset between 3-9 months of age. Approximately 5.3% of tested Greyhounds are carriers. DNA testing identifies clear (N/N), carrier (N/P), and affected (P/P) dogs. Never breed two carriers together (25% risk of affected puppies). Carriers can be safely bred to clear dogs, producing 50% clear and 50% carrier offspring.

4. OFA/CHIC DNA Repository

• Screens for: DNA storage for future research
• Estimated cost: $50
• Frequency: One-time
• Details: DNA sample submission to the OFA/CHIC DNA repository supports future genetic research. This is a simple cheek swab or blood sample stored for potential use in identifying new genetic markers or tests.

Total estimated cost for required CHIC tests: $285 (one-time tests) plus $85 annually for eye exams

Optional Additional Testing:

Autoimmune Thyroiditis Panel

• Cost: ~$75
• Justification: Greyhounds have a low prevalence of thyroid issues (3.1% positive thyroglobulin autoantibodies, 2.9% hypothyroid on full panel). However, interpreting thyroid values in Greyhounds requires breed-specific knowledge: Greyhounds normally have T4 values below standard laboratory reference ranges while being euthyroid. Many healthy Greyhounds test "low" on T4 but are clinically normal. Veterinarians unfamiliar with the breed may misdiagnose hypothyroidism. If testing thyroid, use a laboratory experienced with sighthound values and request breed-specific interpretation.

Hip Dysplasia Evaluation (OFA or PennHIP)

• Cost: ~$200
• Justification: Hip dysplasia is extremely rare in Greyhounds (under 1% prevalence in research studies). Most Greyhound breeders do not pursue hip clearances as the breed is minimally affected. If concerned about hip structure due to pedigree or clinical signs, evaluation can be performed at 24+ months.

Critical note on breed-specific laboratory values: Greyhounds have unique normal ranges for several blood parameters that often alarm veterinarians unfamiliar with sighthounds:

• Low T4 (thyroid): Often 0.5-1.0 µg/dL in healthy Greyhounds vs 1.0-4.0 standard range
• Elevated creatinine: Often 1.4-1.8 mg/dL in healthy Greyhounds vs 0.5-1.5 standard range
• Low platelet count: Slightly lower than general population but clinically normal

Educate your veterinary team about sighthound-specific normals to avoid unnecessary treatment or breeding restrictions based on misinterpreted lab work.

Hereditary Health Conditions

Understanding the hereditary health conditions affecting Greyhounds enables informed breeding decisions and appropriate health screening. While Greyhounds are generally healthy compared to many purebred dogs, several conditions warrant attention.

Greyhound Polyneuropathy (NDRG1 gene mutation)

Prevalence: 5.3% carrier rate identified in tested population

Inheritance: Autosomal recessive

DNA test available: Yes (required for CHIC)

Clinical signs: Progressive muscle weakness and atrophy beginning in the hindlimbs, exercise intolerance, abnormal gait with progressive deterioration, eventual paralysis. Affected dogs typically show signs between 3-9 months of age, with relentless progression over months to years.

Age of onset: 3-9 months

Breeding implications: This is the most significant genetic disease in Greyhounds with a simple, testable inheritance pattern. Test ALL breeding stock. Clear dogs (N/N) can be bred to any dog without risk. Carrier dogs (N/P) should only be bred to clear dogs (N/N), producing 50% clear and 50% carrier offspring—no affected puppies. Never breed two carriers together (N/P × N/P) as this produces 25% affected puppies (P/P). Some breeding programs choose to only breed clear-to-clear to eliminate the gene entirely, while others accept carrier-to-clear breedings to maintain genetic diversity while avoiding affected puppies. Affected dogs (P/P) should never be bred.

Cardiac Disease (Heart Murmurs)

Prevalence: Increased predisposition with odds ratio 1.78 compared to mixed breeds; exact clinical prevalence unclear

Inheritance: Polygenic/multifactorial

DNA test available: No

Clinical signs: Systolic heart murmurs detected on auscultation. Many Greyhound heart murmurs have little clinical relevance or progression, but differentiation between benign and pathological murmurs requires careful evaluation. Some murmurs may progress to significant cardiac disease.

Age of onset: Variable; can be congenital or acquired at any age

Breeding implications: Cardiac evaluation is required for CHIC. Dogs with significant murmurs or echocardiographic abnormalities indicating structural disease should be excluded from breeding. Minor murmurs without progression may be acceptable with careful monitoring and disclosure to puppy buyers, though conservative breeders may choose to exclude any dog with detectable murmurs. Re-evaluate cardiac function periodically throughout breeding career.

Osteosarcoma (Bone Cancer)

Prevalence: Common in large and giant sighthounds; exact breed-specific prevalence not established but considered elevated risk

Inheritance: Polygenic/multifactorial

DNA test available: No

Clinical signs: Lameness, swelling over long bones (especially distal radius, proximal humerus, distal femur), pain, pathologic fractures. Osteosarcoma is highly aggressive and metastatic, typically to the lungs. Prognosis is poor even with aggressive treatment (amputation and chemotherapy).

Age of onset: Middle-aged to senior dogs, typically 7+ years

Breeding implications: Osteosarcoma typically manifests after breeding age, making selection against it challenging. Similar to the Irish Wolfhound, which also faces elevated osteosarcoma risk as a large sighthound, breeders must rely on pedigree analysis. Avoid breeding dogs with multiple close relatives affected by osteosarcoma. Research is ongoing to identify genetic markers. For now, focus on overall health, longevity in pedigrees, and diverse genetic backgrounds.

Gastric Dilatation-Volvulus (Bloat/GDV)

Prevalence: Increased risk due to deep, narrow chest conformation; exact breed-specific rate not documented

Inheritance: Multifactorial with genetic predisposition

DNA test available: No

Clinical signs: Acute abdominal distension, non-productive retching, restlessness, rapid breathing, collapse. Life-threatening emergency requiring immediate surgical intervention to untwist the stomach and restore blood flow. Even with surgery, mortality rates are significant.

Age of onset: Any age; risk increases with age and stress

Breeding implications: The Greyhound's deep, narrow chest creates anatomical predisposition to GDV, similar to other large, deep-chested breeds. No breeding test exists. Educate puppy buyers about risk factors (single large meals, exercise around feeding times, stress, family history) and emergency signs. Some breeders recommend prophylactic gastropexy (surgical stomach tacking) during spay/neuter procedures for high-risk individuals. Select for calm temperament as stress appears to increase risk.

Hypothyroidism/Autoimmune Thyroiditis

Prevalence: Low—3.1% positive thyroglobulin autoantibodies, 2.9% confirmed hypothyroid on full panel

Inheritance: Autoimmune/polygenic

DNA test available: No

Clinical signs: Weight gain, lethargy, skin and coat changes (dryness, thinning, hair loss), cold intolerance. Critical caveat: Greyhounds normally have T4 values below standard laboratory reference ranges when euthyroid. A Greyhound with T4 of 0.6 µg/dL may be completely healthy, while the same value in another breed would indicate hypothyroidism. Diagnosis must be based on clinical signs PLUS appropriately interpreted bloodwork using breed-specific reference ranges.

Age of onset: Middle-aged, typically 4-8 years

Breeding implications: Given the low prevalence and risk of misdiagnosis based on breed-inappropriate reference ranges, routine thyroid screening may create more confusion than value. If pursuing thyroid testing, use a laboratory familiar with sighthound values (Michigan State University and Hemopet are experienced) and request breed-specific interpretation. Do not exclude breeding dogs based solely on low T4 values if clinically euthyroid.

Von Willebrand Disease (Type I)

Prevalence: Rare; fewer than 10% of tested Greyhounds have vWF activity under 30%

Inheritance: Autosomal recessive

DNA test available: Yes

Clinical signs: Prolonged bleeding after injury or surgery, spontaneous bleeding episodes (rare). Many carriers and even some affected dogs are clinically silent unless challenged by surgery or trauma.

Age of onset: Present from birth but often undetected unless surgical challenge occurs

Breeding implications: vWD is rarely a significant problem in Greyhounds. DNA testing is available if concerned based on pedigree or bleeding tendencies. Given low prevalence, most breeders do not routinely test. Inform surgical teams if known or suspected so appropriate clotting support can be provided during procedures.

Color and Coat Genetics

The Greyhound breed standard makes a remarkable statement: "Color is immaterial." This means all coat colors and patterns are equally acceptable for showing and breeding, with no disqualifications—a rare stance among AKC breeds. This color-neutral standard gives Greyhound breeders exceptional flexibility.

Accepted colors and patterns (all equally acceptable):

• Solid colors: Black, Blue, Brindle, Fawn, Red, White
• Particolors: Black and White, Blue and White, Brindle and White, Fawn and White, Red and White, White and Brindle, White and Black, White and Blue, White and Fawn, White and Red

Disqualifying colors: None

Irish white spotting—white markings on the chest, feet, tail tip, and face—is extremely common and considered normal breed expression. Fully white Greyhounds are less common but perfectly acceptable.

Relevant genetic loci:

K locus (Dominant Black/Brindle)

• KB (dominant black): Produces solid black or blue dogs (depending on D locus). Dogs with at least one KB allele will be solid colored regardless of A locus genotype.
• kbr (brindle): Produces brindle pattern (black stripes on fawn background). Brindle requires two copies (kbr/kbr) or one copy with ky (kbr/ky).
• ky (normal, allows A locus expression): Dogs with ky/ky express their A locus genotype (fawn/sable).
• Dominance order: KB > kbr > ky

A locus (Agouti - fawn/sable)

• Only expressed in dogs that are ky/ky at the K locus
• Produces fawn and sable colorations

E locus (Extension - red)

• Controls distribution of black pigment
• ee dogs are red/yellow regardless of K or A locus

B locus (Brown/Chocolate)

• Affects black pigment, turning it brown
• Rare in Greyhounds; most are B/B (not brown)

D locus (Dilution)

• dd (dilute) turns black to blue (gray) and red to cream
• Blue Greyhounds are dd genotype
• D/D and D/d are non-dilute (black, brindle, fawn, red)

Breeding predictions for common color pairings:

Fawn × Fawn (ky/ky × ky/ky)

• Produces: 100% fawn puppies
• Cannot produce black, blue, or brindle (no KB or kbr present)

Fawn × Brindle (ky/ky × kbr/ky)

• Produces: 50% fawn, 50% brindle puppies
• Cannot produce solid black or blue

Black × Fawn (KB/ky × ky/ky)

• Produces: 50% black, 50% fawn puppies
• Brindle possible if black parent carries hidden kbr

Brindle × Brindle (kbr/ky × kbr/ky)

• Produces: 25% fawn (ky/ky), 50% brindle (kbr/ky), 25% brindle (kbr/kbr)
• Cannot produce solid black or blue without hidden KB

Blue genetics: Blue is simply dilute black (KB/- with dd). Breeding two blues (dd × dd) produces 100% blue puppies. Breeding blue to non-dilute produces all non-dilute puppies that carry dilute (D/d).

Health-linked colors: None. Unlike some breeds where certain colors correlate with health issues (merle-associated deafness, dilute alopecia), Greyhounds have no documented color-linked health problems. Breeders can make color selections based purely on preference and market demand without health concerns.

Irish spotting (white markings): Controlled by the S locus, Irish spotting (white chest, paws, tail tip, collar) is extremely common in Greyhounds and considered normal breed expression. Fully colored Greyhounds and primarily white Greyhounds are both acceptable. White does not carry health implications in this breed.

Since "color is immaterial," breeders should focus selection on structure, movement, temperament, and health rather than color preferences. All colors are equally correct for the show ring and breeding programs.

Selecting Breeding Stock

Selecting Greyhound breeding stock requires evaluating conformation, movement, temperament, pedigree, and health clearances. The breed standard emphasizes function—breeding stock must demonstrate the athletic build and efficient movement that defines a coursing sighthound.

Conformation priorities:

Overall balance and proportion for speed

The Greyhound must present a harmonious, streamlined silhouette with no exaggerations. Every structural element should contribute to efficient high-speed galloping. When evaluating a prospect, step back and assess the complete picture before examining individual parts. Does the dog flow from nose to tail with elegant continuity?

Deep chest with proper width and rib spring

The chest must be deep, extending well to the elbows, with adequate width for heart and lung capacity. "Deep and narrow" describes the Greyhound chest, but narrow does not mean flat—there must be spring of rib for organ space. A shallow or truly flat chest is a serious fault that compromises athletic function.

Strong, muscular hindquarters with correct angulation

The Greyhound's explosive speed comes from powerful rear drive. Look for long, well-muscled thighs and second thighs, hock well let down, and moderate angulation. Weak or spindly hindquarters cannot generate the necessary propulsion. Overly angulated rears (extreme bend of stifle) are equally problematic, creating mechanical inefficiency.

Long, clean head with proper narrow proportions

The head should be long and narrow, with minimal stop, powerful jaws, and small folded ears. A round or broad skull is completely contrary to breed type. The expression should be intelligent and gentle.

Sound, efficient movement with reach and drive

Movement evaluation reveals whether structure translates to function. Greyhounds should move with long, low strides, powerful rear drive, and effortless ground coverage. Watch dogs move on a loose lead at a trot—look for reach in front, drive from behind, and a level topline. Choppy, stilted, or labored movement indicates structural deficiency.

Correct front assembly with oblique shoulders

The shoulder blade should be obliquely placed (well laid back), long, and flat against the ribcage. Correct front assembly enables the long, reaching stride characteristic of the breed. Short, upright shoulders produce choppy, inefficient movement.

Flexible topline and proper loin length

The Greyhound's topline shows a slight arch over the loin, contributing to the double-suspension gallop. The loin should be long and muscular, providing the flexibility needed for the characteristic "folded" gallop posture.

Common faults to select against:

• Shallow or narrow chest (compromises athletic capacity)
• Coarse or overly muscular build (adds weight, reduces speed)
• Short or thick neck (disrupts flow and balance)
• Round or broad skull (lacks breed type)
• Weak or over-angulated rear (inefficient mechanics)
• Stiff, choppy movement (indicates structural problems)
• Poor front reach or rear drive (limits athletic function)
• Heavy bone or excessive substance (contradicts the refined sighthound aesthetic)

Temperament evaluation:

Greyhounds should be gentle, affectionate, and even-tempered. Evaluate temperament in multiple contexts:

• At home: Should be calm, relaxed, and affectionate with family
• In public: May be reserved with strangers but should not be fearful or aggressive
• With other dogs: Should be tolerant and non-aggressive, though prey drive toward small running animals is natural and acceptable
• During handling: Should accept grooming, examination, and veterinary procedures calmly

Red flags: Shyness, fear-based reactivity, unprovoked aggression toward people, or excessive dog-aggression beyond normal prey drive are serious temperament faults. Do not breed dogs with unstable temperaments regardless of conformation quality.

Pedigree and genetic diversity:

Average breed COI (Coefficient of Inbreeding): 6.5% for five-generation pedigrees

Target COI: Under 5% for five-generation pedigrees

Lower inbreeding coefficients correlate with larger litter sizes, reduced neonatal mortality, and better overall health. Use pedigree analysis tools to calculate COI before breeding decisions. Avoid close linebreeding (breeding closely related individuals) unless strategically necessary to concentrate specific virtues, and even then, limit frequency.

Look for pedigrees demonstrating:

• Longevity (ancestors living 10+ years)
• Freedom from polyneuropathy (DNA test all ancestors if possible)
• Cardiac health across multiple generations
• Consistent conformation quality
• Proven fertility and whelping ease

Stud selection criteria:

When selecting a stud for your female, evaluate:

• Health clearances (cardiac, eye current, polyneuropathy DNA clear or carrier at most, DNA repository)
• Conformation quality that complements your female's strengths and balances her weaknesses
• Proven fertility and acceptable litter sizes
• Temperament compatible with your breeding goals
• Pedigree that provides genetic diversity while maintaining quality
• Breeder reputation and contract terms

Stud fee range: $800-2,000 depending on the male's titles, health clearances, proven production record, and demand. Champion males with CHIC clearances and proven ability to sire quality puppies command higher fees. First-time stud dogs or those without titles typically charge lower fees.

Show quality versus breeding quality: Not every show-quality Greyhound should be bred, and not every breeding-quality Greyhound finishes championships. Prioritize health, temperament, and proven production ability over ribbons. However, achieving some level of third-party validation (show wins, lure coursing titles, conformation evaluation) provides objective assessment of breeding stock quality.

Whelping and Neonatal Care

Greyhound whelping requires careful preparation, particularly given the breed's 38% C-section rate, extended gestation period, and litter size variability. Understanding breed-specific whelping patterns enables appropriate planning and timely intervention.

Recommended whelping method: Natural whelping is preferred when possible, but surgical intervention is common and should be anticipated.

C-section patterns by litter size:

• Small litters (1-2 puppies): 83% C-section rate due to insufficient hormonal stimulation for labor and oversized individual puppies. Plan for surgical whelping with small litters.
• Mid-sized litters (3-8 puppies): Lower C-section rates with higher natural whelping success. Most Greyhounds in this range attempt natural delivery.
• Large litters (9+ puppies): Elevated C-section rates due to uterine inertia (exhaustion) and puppy positioning challenges.

Extended gestation period: Greyhounds average 68 days from ovulation compared to the typical 63 days for most breeds. This extended pregnancy duration makes progesterone testing absolutely critical for accurate due date calculation. Do not rely on breeding date alone—count from progesterone surge/ovulation. Expecting whelping at day 63 will leave breeders unprepared and may lead to unnecessary early intervention or dangerous delays.

Progesterone testing protocol:

• Begin testing when proestrus bleeding starts
• Test every 2-3 days until ovulation confirmed
• Calculate whelping date as 68 days from ovulation (progesterone surge)
• Begin whelping monitoring at day 66 post-ovulation

Breed-specific whelping complications:

• Deep chest conformation can create positioning challenges for large litters
• Extended gestation may complicate veterinary guidance if not documented
• Sighthound sensitivity to anesthesia requires careful protocols for C-sections
• Large litter sizes can lead to uterine inertia mid-whelping

Sighthound anesthesia sensitivity: Greyhounds have reduced body fat, altered drug metabolism, and sensitivity to certain anesthetic agents. Ensure your veterinary surgical team is experienced with sighthound anesthesia if C-section becomes necessary. Propofol and isoflurane are generally safe choices. Avoid or reduce doses of barbiturates and some pre-anesthetic sedatives.

Expected birth weights:

• Males: 14-18 ounces (0.9-1.1 pounds)
• Females: 12-16 ounces (0.75-1.0 pounds)

Puppies from large litters may be smaller at birth; singleton puppies are often oversized and difficult to deliver naturally.

Daily weight gain targets: Puppies should gain approximately 10% of body weight per day during the first two weeks, tapering to 5-7% daily gain by week 4. Greyhound puppies should double their birth weight by the end of the first week. Weigh puppies daily to monitor growth. Failure to gain weight indicates inadequate milk intake and may require supplementation.

Supplemental feeding: Large litters may require supplemental feeding to maintain adequate growth rates. Monitor individual puppy weights closely. If any puppy falls behind growth targets, provide supplemental formula or rotate larger puppies away from the dam to allow smaller littermates access.

Neonatal environment: Greyhound puppies have minimal body fat and require warm environments. Maintain whelping box temperature at 85-90°F for the first week, gradually reducing to 80°F by week 3 and 75°F by week 4. Use heating pads, heat lamps, or radiant heat panels, ensuring puppies can move away from heat sources if they become too warm.

Fading puppy syndrome: Monitor for early signs of fading (weak nursing, cool body temperature, reduced activity, weight loss). Greyhound puppies can deteriorate rapidly if chilled or underfed. Intervene immediately with warming, supplemental feeding, and veterinary consultation if puppies begin to fade.

Cosmetic alterations: Greyhounds undergo no cosmetic alterations. Dewclaws are left intact, tails are natural, and ears are natural drop ears. No docking, cropping, or dewclaw removal is practiced or accepted in this breed.

Maternal behavior: Greyhound females are typically attentive, gentle mothers. Monitor dam-puppy interactions, especially with first-time mothers or after C-sections. Some females are initially confused or reluctant after surgical delivery, requiring support and supervision until maternal behavior normalizes.

Puppy Development Milestones

Greyhound puppies grow rapidly from birth through placement, with critical development windows requiring breeder attention. Understanding normal growth patterns and developmental milestones ensures puppies receive appropriate care and socialization.

Growth pattern: Greyhound puppies follow a rapid growth curve during the first 12 weeks, with males consistently outpacing females. Birth weights (0.85-1.0 pounds for females, 1.0-1.1 pounds for males) double by the end of week 1, reaching 17-18.5 pounds by 8 weeks and 25-28 pounds by 12 weeks.

Weekly milestones:

Week 0-1 (Neonatal period)

• Birth weight: Males 14-18 oz, females 12-16 oz
• Eyes and ears sealed; minimal mobility
• Reflexive nursing and crawling
• Should double birth weight by day 7
• Require constant warmth (85-90°F environment)

Week 2 (Transitional period)

• Eyes begin opening (days 10-14)
• Ear canals begin opening (days 13-17)
• First attempts at walking (wobbling on all four legs)
• Begin responding to sound
• Weight: Males ~3.5 lbs, females ~3.0 lbs

Week 3 (Awareness period begins)

• Eyes and ears fully open and functional
• More coordinated movement; exploring whelping box
• First teeth beginning to erupt
• Begin lapping water; interest in solid food
• Increased interaction with littermates (play begins)
• Weight: Males ~5.0 lbs, females ~4.5 lbs

Week 4 (Socialization begins)

• Running, playing, wrestling with littermates
• Increased curiosity and exploration
• Begin weaning process: introduce softened puppy food
• Startle response to loud noises developing
• First deworming typically administered
• Weight: Males ~7.0 lbs, females ~6.5 lbs

Week 5-6 (Critical socialization period)

• Socialization window opens: 3-14 weeks is the critical period for socialization experiences
• High energy play sessions with littermates
• Introduce varied surfaces (grass, concrete, gravel, carpet)
• Introduce novel objects (toys, boxes, tunnels)
• Gentle human handling by multiple people (men, women, children)
• Puppy food 3-4 times daily; dam nursing decreasing
• Weight at 6 weeks: Males ~12.5 lbs, females ~11.0 lbs

Week 6-7 (Weaning completion)

• Fully weaned onto puppy food by 6-7 weeks
• Dam's milk production decreasing; may still allow brief nursing for comfort
• First puppy vaccinations (typically 6-8 weeks)
• Increased independence from dam
• Fear period may begin (handle carefully; avoid traumatic experiences)
• Weight at 7 weeks: Males ~15.5 lbs, females ~14.0 lbs

Week 8-10 (Go-home age)

• Minimum go-home age: 8 weeks (10 weeks preferable for additional socialization)
• Second puppy vaccinations at 9-10 weeks (if puppies remain with breeder)
• Formal puppy evaluations for structure and temperament
• Microchipping completed
• AKC registration paperwork processed
• Weight at 8 weeks: Males ~18.5 lbs, females ~17.0 lbs

Socialization window: 3-14 weeks (critical period)

The period from 3 to 14 weeks of age is the critical socialization window when puppies most readily accept new experiences without fear. Greyhound breeders must provide extensive positive exposures during this window:

• Varied environments (indoor, outdoor, different surfaces)
• Multiple people (diverse ages, genders, appearances)
• Gentle exposure to household sounds (vacuum, doorbell, TV, kitchen noises)
• Introduction to grooming tools and procedures
• Car rides
• Novel objects and obstacles

Continue socialization through 6 months even after puppies go to new homes. Provide puppy buyers with detailed socialization guidance.

Fear periods: Puppies may experience fear periods around 8-10 weeks and again around 6 months. During fear periods, puppies may suddenly become fearful of previously accepted stimuli. Avoid traumatic experiences during fear periods—do not force fearful puppies into situations; instead, provide calm, positive counter-conditioning. Do not coddle fear (reinforces it) but do provide support and gradual exposure.

Structural evaluation timing:

• 8-10 weeks: Initial evaluation for conformation, movement, and temperament. Useful for determining show versus pet prospects, though predictions are tentative.
• 6-8 months: Re-evaluation when structure is more developed and predictive of adult conformation. Many breeders co-own show prospects to re-evaluate at this age before final placement decisions.

Adult size achievement: Greyhounds reach approximately 90% of adult size by 12 months but continue to develop muscle and fill out through 18-24 months. They are slower to mature than many breeds. Growth plates close later in sighthounds—avoid intense running exercise or high-impact activities until 12-14 months to protect developing bones and joints.

Go-home age: 8-10 weeks minimum, with 10 weeks preferable for additional breeder-led socialization. Some breeders hold show prospects longer (12-16 weeks) for further evaluation and training, but pet puppies should go to homes by 10 weeks to maximize new owner bonding.

Breeding Economics

Breeding Greyhounds requires significant financial investment with moderate return potential. Understanding the complete cost picture enables realistic planning and appropriate puppy pricing.

Cost breakdown (per litter, assuming 8 puppies):

Health testing (both parents): $570

• Dam: $285 (cardiac $75, eye $85, polyneuropathy DNA $75, DNA repository $50)
• Stud: $285 (same tests)
• Note: If using outside stud, his testing costs are not your expense, but verify clearances

Stud fee: $1,200

• Range: $800-2,000 depending on stud dog's quality, titles, and proven production
• Often includes one repeat breeding if first attempt fails to produce pregnancy

Progesterone testing: $500

• Critical for Greyhounds due to 68-day gestation
• Approximately 5 tests at $100 each to identify ovulation and calculate accurate due date
• Necessary whether breeding naturally or via AI

Prenatal veterinary care: $350

• Ultrasound confirmation ($150-200) at 28-30 days
• Radiograph for puppy count ($100-150) at 55+ days
• Prenatal examinations, parasite control, vaccinations

Whelping costs (weighted average): $1,075

• Natural whelping: ~$200 (supplies, veterinary supervision if needed)
• C-section: ~$2,500 (emergency fees higher; daytime planned C-section lower)
• Given 38% C-section rate: (0.62 × $200) + (0.38 × $2,500) = $1,074 average
• Some breeders budget for planned C-section given small litter (83% rate) and large litter risks

Puppy veterinary costs: $1,200 ($150 per puppy × 8)

• Veterinary examinations (2 per puppy)
• Vaccinations (first and second rounds)
• Deworming (multiple treatments)
• Microchipping

Food and supplies: $400

• Dam's increased food during pregnancy and lactation (premium large-breed puppy food)
• Puppy food from weaning through placement (high-quality large-breed puppy formula)
• Whelping supplies (bedding, heat sources, cleaning supplies, puppy ID collars, etc.)

AKC registration costs: $400

• Litter registration: ~$50
• Individual puppy registrations: ~$40 each × 8 = $320
• Optional: Reunite microchip enrollment, limited registration for pet puppies

Total costs: $5,695 for an average litter of 8 puppies

Revenue (average litter of 8 puppies):

Average puppy pricing:

• Pet quality (limited AKC registration, spay/neuter required): $1,500
• Show/breeding quality (full AKC registration): $2,500

Average litter revenue: $12,000

• Assumes mix of pet and show-quality puppies averaging $1,500 per puppy
• (8 puppies × $1,500 average = $12,000)

Net per litter: $12,000 revenue - $5,695 costs = $6,305 before hidden costs

Hidden costs not included above:

• Facility costs (whelping area, kennels, fencing, climate control)
• Marketing and advertising (website, photos, breed directory listings)
• Puppy supplies (crates, toys, food bowls, blankets sent home)
• Breeder's time (puppy care is 24/7 for 8-10 weeks; no hourly wage included)
• Show expenses if campaigning breeding stock (entries, travel, handlers)
• Annual eye exams for breeding dogs ($85/dog/year)
• Unexpected veterinary emergencies (dystocia, sick puppies, dam complications)
• Lost income if litter is smaller than 8 puppies or if C-section costs exceed estimate

Profitability analysis:

Breeding Greyhounds can yield moderate financial returns if litters are average-sized (6-8 puppies) and whelp naturally or with affordable planned C-sections. However, the 38% C-section rate significantly impacts margins. A litter requiring an emergency C-section at $3,000-4,000 reduces net profit to $4,000-5,000 before hidden costs.

Scenarios:

Best case (large litter, natural whelping):

• 10 puppies, natural whelping ($200)
• Revenue: $15,000 (10 × $1,500)
• Costs: $5,295 (replacing whelping average with natural cost)
• Net: $9,705

Worst case (small litter, C-section):

• 3 puppies, C-section ($2,500)
• Revenue: $4,500 (3 × $1,500)
• Costs: $7,020 (with higher C-section cost, lower puppy vet/food costs)
• Net: -$2,520 (loss)

Responsible breeding is not primarily a profit venture. Ethical Greyhound breeders invest in health testing, quality veterinary care, extensive socialization, and careful puppy placement regardless of profitability. The financial model supports continuation of a breeding program but does not compensate for the breeder's extensive time investment (hundreds of hours per litter).

Pricing considerations: Puppy prices should reflect the breeder's investment in health testing, quality care, and socialization. Greyhound puppies priced significantly below $1,000 may come from breeders cutting corners on health testing, veterinary care, or socialization. Conversely, prices significantly above $2,500 for pet-quality puppies (without exceptional pedigree or titles) may be inflated. Research market rates in your region and price appropriately for quality.

Breeder Resources

Parent Club:

Greyhound Club of America (GCA)

• Website: https://www.greyhoundclubofamericainc.org/
• The national parent club for Greyhounds, dedicated to preserving and protecting the breed
• Offers breeder education, health resources, breed standard interpretation, and breeder referral
• Hosts national specialty shows and performance events
• Publishes newsletters and maintains breeder code of ethics

AKC Breeder Programs:

AKC Breeder of Merit

• Recognition program for established breeders who demonstrate commitment to health testing, titling, and continuing education
• Requires CHIC health testing on all breeding stock
• Provides breeder directory listing and AKC support

AKC Bred with H.E.A.R.T.

• Health, Education, Accountability, Responsibility, Tradition
• Higher-tier program for dedicated preservation breeders
• Additional requirements including AKC inspection, mentoring, and community involvement

Recommended Books:

"The Complete Greyhound" by Julia Barnes

• Comprehensive breed guide covering history, standard, care, and breeding
• Accessible for newcomers and experienced breeders

"Retired Racing Greyhounds for Dummies" by Lee Livingood

• While focused on adoption/rescue, provides valuable insights into Greyhound behavior and care applicable to breeding programs

"The Book of the Greyhound" edited by E. Gwynne Jones

• Classic historical reference on the breed
• In-depth examination of breed development and coursing heritage

Online Communities:

Greyhound Club of America (Facebook)

• Official GCA Facebook presence
• Breed news, health updates, and community discussion

AKC Greyhound Breeders Facebook Group

• Networking and support group for AKC Greyhound breeders
• Peer mentorship, breeding discussions, and problem-solving

Greyhound-Data.com

• Online pedigree database for Greyhounds worldwide
• Essential tool for pedigree research and COI calculation
• Includes racing and show Greyhounds; useful for health research across populations

Mentorship: New breeders should seek experienced mentors through the GCA, regional breed clubs, or by establishing relationships with established breeders whose programs they admire. Mentorship is invaluable for navigating breeding decisions, whelping complications, and puppy placement.

Frequently Asked Questions

How many puppies do Greyhounds typically have?

Greyhounds average 8 puppies per litter, with a typical range of 5-10 puppies. Litter sizes can vary from singleton puppies to as many as 12 puppies in exceptional cases. The litter size distribution shows that litters of 7-9 puppies are most common (approximately 41% of litters fall in this range). Small litters (1-2 puppies) account for about 7% of litters, while large litters (10-12 puppies) represent roughly 16%. Mid-sized litters tend to have the highest natural whelping success rates.

Do Greyhounds need C-sections?

Greyhounds have a 38% overall C-section rate, but this varies significantly by litter size. Small litters (1-2 puppies) have an 83% C-section rate due to insufficient hormonal stimulation for labor and oversized individual puppies. Mid-sized litters (3-8 puppies) have lower C-section rates and higher natural whelping success. Large litters (9+ puppies) also face elevated C-section risks due to uterine inertia and positioning challenges. Breeders should prepare for the possibility of surgical delivery while hoping for natural whelping, particularly with litter size extremes. The deep, narrow chest conformation can complicate natural delivery of large litters.

What health tests are required for breeding Greyhounds?

The CHIC (Canine Health Information Center) requirements for Greyhounds include four tests:

1. Cardiac evaluation (basic or advanced) - screens for congenital and acquired heart disease
2. ACVO eye examination (annual) - screens for hereditary eye diseases including cataracts and PRA
3. Polyneuropathy DNA test (NDRG1) - screens for Greyhound polyneuropathy, the most important breed-specific genetic disease
4. OFA/CHIC DNA repository - DNA sample storage for future research

Total cost for required one-time tests is approximately $285, plus $85 annually for eye exams. All breeding Greyhounds should be tested for polyneuropathy and results made public through OFA. Never breed two carriers together.

How much does it cost to breed Greyhounds?

Breeding a litter of Greyhounds costs approximately $5,695 for an average litter of 8 puppies, including:

• Health testing for both parents: $570
• Stud fee: $1,200
• Progesterone testing: $500 (critical for 68-day gestation)
• Prenatal veterinary care: $350
• Whelping costs (weighted average): $1,075
• Puppy veterinary care: $1,200
• Food and supplies: $400
• AKC registration: $400

Revenue from 8 puppies averaging $1,500 each is approximately $12,000, yielding a net of $6,305 before hidden costs (facility, marketing, breeder time, unexpected emergencies). The 38% C-section rate significantly impacts margins. Small litters or emergency C-sections can result in financial losses.

At what age can you breed a Greyhound?

Females should be bred at their second or third heat, typically 18-24 months of age. Greyhounds experience first heat between 12-18 months, later than many small breeds. Breeding at the second or third heat allows physical maturity and completion of health clearances before pregnancy.

Males can be used for breeding at 18-24 months after completing health testing, particularly cardiac evaluation and polyneuropathy DNA screening. Males can continue breeding throughout their lives if health permits, though semen quality should be periodically evaluated in older studs.

Both sexes must complete all required health clearances (cardiac, eye, polyneuropathy DNA, DNA repository) before first breeding. The OFA cardiac minimum age is 12 months, but 24 months is recommended if pursuing hip evaluation.

How much do Greyhound puppies cost?

Greyhound puppy prices vary based on quality and breeder reputation:

• Pet quality (limited AKC registration, spay/neuter contract): $1,500 average
• Show/breeding quality (full AKC registration): $2,500 average

Prices may be higher for puppies from champion-sired litters, exceptional pedigrees, or breeders with extensive health testing and titling. Puppies priced significantly below $1,000 may come from breeders cutting corners on health testing or care. Regional pricing variations exist. Responsible breeders price puppies to reflect their investment in health testing, quality veterinary care, and extensive socialization.

What are the most common health problems in Greyhounds?

The most significant health concerns in Greyhounds include:

1. Greyhound polyneuropathy - Progressive neurological disease affecting 5.3% as carriers; DNA test required
2. Cardiac disease - Increased predisposition to heart murmurs; cardiac screening required
3. Osteosarcoma - Bone cancer common in large sighthounds; typically affects dogs 7+ years
4. Bloat/GDV - Life-threatening gastric torsion; deep chest creates anatomical predisposition
5. Hypothyroidism - Low prevalence (2.9%) but complicated by breed-specific low T4 values in healthy dogs

Greyhounds are generally healthy compared to many purebred dogs. Hip dysplasia is extremely rare (under 1%). The most critical health testing is the polyneuropathy DNA test—never breed two carriers together as this produces 25% affected puppies.

Is breeding Greyhounds profitable?

Breeding Greyhounds can yield moderate financial returns but is not a high-profit venture. An average litter of 8 puppies generates approximately $12,000 revenue against $5,695 in direct costs, yielding $6,305 net before hidden costs (facility maintenance, marketing, breeder time, show expenses).

The 38% C-section rate significantly impacts profitability. Emergency C-sections costing $3,000-4,000 reduce margins substantially. Small litters (1-3 puppies) often result in financial losses when C-section costs exceed revenue.

Hidden costs not included in the calculation:

• Hundreds of hours of breeder time (24/7 puppy care for 8-10 weeks)
• Facility and equipment costs
• Annual eye exams for breeding dogs
• Show expenses if campaigning dogs
• Unexpected veterinary emergencies

Ethical breeding is primarily a preservation activity, not a profit venture. Breeders should be financially prepared to absorb losses on difficult litters while maintaining quality care standards.

Why do Greyhounds have extended gestation periods?

Greyhounds average 68 days of gestation from ovulation compared to the typical 63 days for most breeds. This extended pregnancy duration of approximately 5 extra days is a breed characteristic, though the exact biological mechanism is not fully understood. It may relate to the breed's unique physiology and slower metabolic rate.

The extended gestation makes progesterone testing absolutely critical for Greyhound breeding programs. Breeders must test progesterone levels to identify ovulation and calculate the due date as 68 days from the progesterone surge rather than relying on breeding date. Expecting whelping at day 63 will leave breeders unprepared and may lead to unnecessary early interventions or dangerous delays in recognizing dystocia.

Is artificial insemination common in Greyhounds?

Yes, artificial insemination is extremely common in Greyhounds. 75% of Greyhound puppies in the USA are born via frozen semen using transcervical insemination (TCI). This extraordinarily high AI rate reflects geographic dispersion of quality breeding stock, desire to access champion bloodlines nationally and internationally, and excellent success rates.

Greyhounds demonstrate 88% whelping rates with frozen semen, higher than many other breeds. This makes frozen semen AI a particularly viable reproductive method. Fresh, fresh-chilled, and frozen semen all work successfully, but frozen semen via TCI has become the standard approach for serious breeding programs.

Breeders should establish relationships with reproductive veterinarians experienced in TCI procedures and semen handling. The combination of frozen semen capability and extended gestation requires careful progesterone monitoring to time inseminations appropriately.

Are all coat colors acceptable in Greyhounds?

Yes, all coat colors and patterns are equally acceptable in Greyhounds. The breed standard states that "color is immaterial," meaning there are no disqualifying colors and no color preferences for showing or breeding. This is unusual among AKC breeds.

Acceptable colors include black, blue, brindle, fawn, red, white, and all particolor combinations (black and white, brindle and white, fawn and white, etc.). Irish white spotting (white markings on chest, feet, tail tip) is extremely common and considered normal.

There are no health issues linked to any Greyhound color, unlike some breeds where certain colors correlate with deafness or skin problems. Breeders can make color selections based purely on preference and market demand without health concerns. Since color is immaterial, selection should focus on structure, movement, temperament, and health rather than color preferences.

Do Greyhounds have special anesthesia requirements?

Yes, Greyhounds and other sighthounds have sensitivity to certain anesthetic agents that requires careful protocols. Key considerations:

• Reduced body fat (affects drug distribution and metabolism)
• Altered drug metabolism (slower clearance of some agents)
• Sensitivity to barbiturates and some pre-anesthetic sedatives

Ensure your veterinary surgical team is experienced with sighthound anesthesia if C-section becomes necessary. Propofol and isoflurane are generally safe choices for Greyhounds. Avoid or reduce doses of barbiturates (thiopental) and some alpha-2 agonist sedatives.

Recovery from anesthesia may be prolonged in Greyhounds compared to other breeds. Provide warm, quiet recovery environment and careful monitoring. Discuss anesthetic protocol with your veterinarian before any planned surgery, and ensure emergency clinics performing C-sections are informed of sighthound-specific requirements.