
Step-by-Step Ethical Dog Breeding Guide
Get a step-by-step guide to ethical dog breeding. Learn about choosing breeding pairs, caring for puppies, and ensuring responsible practices for a successful outcome.
Connect with responsible Bull Terrier breeders and find the ideal breeding partner for your unique companion
Understanding your Bull Terrier's distinctive appearance and spirited personality is essential for responsible breeding
Male: 55-65 lbs
Female: 45-55 lbs
Male: 21-22 inches
Female: 21-22 inches
11-14 years
With proper care
Playful, Mischievous
Gladiator in a suit
Distinctive downfaced, egg-shaped head is breed hallmark. Should be strong and deep right to end of muzzle. Avoid extreme types that compromise breathing.
Small, triangular eyes give unique expression. Should be dark and sunken. Light eyes undesirable. Check for entropion/ectropion.
White (pure or with head markings) or colored (any color predominating). White dogs have higher deafness risk. Skin pigmentation important.
Independent, stubborn, and mischievous. Need experienced owners. Can be dog-aggressive. Temperament testing crucial for breeding stock.
Bull Terriers face serious breed-specific health challenges requiring extensive testing and careful breeding
BAER hearing test MANDATORY, especially for white Bull Terriers. Up to 20% of white dogs are deaf. Test all puppies before placement.
Genetic testing available and MANDATORY. Fatal kidney disease specific to Bull Terriers. Annual urinalysis starting at 18 months.
Annual cardiac evaluation with echocardiogram recommended. Heart murmurs common in the breed. Start screening at 1 year.
OFA patella evaluation required. Common in Bull Terriers. Can require expensive surgery if severe.
White Bull Terriers prone to skin allergies, sunburn, and skin cancer. Breed for good pigmentation around eyes and nose.
Annual eye exams required. Genetic test available for Primary Lens Luxation. Can cause blindness if untreated.
Bull Terriers prone to spinning, tail chasing, and other compulsive behaviors. Often genetic. Screen breeding stock for behavioral soundness.
Genetic test available. Fatal zinc metabolism disorder. All breeding stock should be tested.
Up to 20% of white Bull Terriers are born deaf in one or both ears. BAER hearing testing is MANDATORY for all breeding stock and puppies. Unilateral (one ear) deafness is difficult to detect without testing. Deaf dogs should NEVER be bred. All puppies must be BAER tested before placement. Breeding two white dogs increases deafness risk significantly.
Bull Terriers have a breed-specific fatal kidney disease. Annual UPC (urine protein:creatinine) ratio testing is MANDATORY starting at 18 months. Genetic testing now available and should be performed on all breeding stock. Affected dogs typically show symptoms between 1-8 years. Once symptoms appear, the disease is fatal. Early detection through annual testing is the only way to prevent breeding affected dogs.
Follow these essential guidelines for responsible Bull Terrier breeding
Male Bull Terriers
2 to 7 years
Female Bull Terriers
2 to 6 years
Wait until full physical and mental maturity. Bull Terriers can be slow to mature mentally. Early breeding may pass on behavioral issues.
Bull Terriers require extensive health testing due to breed-specific conditions. Never skip testing to save money.
Females: Maximum once per year, 3-4 litters lifetime
Skip at least one heat cycle between litters
Quality over quantity. Focus on improving the breed's health and temperament
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Expert advice and tips for Bull Terrier breeding
Get a step-by-step guide to ethical dog breeding. Learn about choosing breeding pairs, caring for puppies, and ensuring responsible practices for a successful outcome.
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