The foundation of a responsible American Sable breeding program is the careful selection of breeding stock that meets or exceeds the breed standard while possessing sound health and good temperament. The American Rabbit Breeders Association standard calls for a medium-sized rabbit weighing seven to ten pounds with a commercial body type, a dense rollback coat, and the characteristic sepia-brown shading pattern that darkens at the ears, face, feet, tail, and flanks. Both the buck and the doe should be evaluated against these criteria before any breeding decision is made.
Beyond conforming to the physical standard, breeding candidates should be free of known hereditary health problems. Review the health history of each rabbit and, when possible, the health records of its parents and siblings. Malocclusion, splay leg, and susceptibility to chronic respiratory infections all have heritable components and should disqualify an animal from a responsible breeding program. A pre-breeding veterinary examination for both the buck and the doe provides an objective assessment of overall health, dental condition, reproductive soundness, and body condition.
Temperament is a critically important but sometimes overlooked selection criterion. The American Sable is prized for its gentle, inquisitive nature, and breeding animals with fearful, aggressive, or excessively skittish temperaments undermines one of the breed's most valued qualities. Observe each candidate's behavior during handling, in the presence of other rabbits, and when exposed to novel stimuli. A breeding rabbit that is calm, confident, and tolerant of human interaction is far more likely to produce offspring with those same desirable traits.
Age is another consideration in stock selection. Does should not be bred before they are at least six months old, and many experienced breeders prefer to wait until eight to ten months for a first breeding. Bucks typically reach sexual maturity slightly later and should not be used for breeding until they are at least six to seven months old. Breeding rabbits that are too young can compromise the doe's health and growth, produce smaller litters, and result in poor maternal behavior from a doe that is not yet physically or behaviorally mature.