Animals within a breed have physical characteristics that distinguish them from other breeds or groups of animals within that same species. Animas within a breed tend to breed true for the …

The determination of the “right” breed(s) to use is highly dependent on a number of characteristics of a farm or ranch; not every operation should use the same breed or combination of breeds.

Use only “XX” when no single breed is predominant.

One of the simplest of the systematic crossbreeding pro-grams is the two-breed rotation in which cows sired by breed A are mated to bulls of breed B. The heifers resulting from this cross are …

Breed complementarity allows a breeder to capitalize on the strengths of one breed in a particular trait to compensate for a deficiency in that particular trait in another breed.

Crossbreeding systems are designed to maximize hybrid vigor. Crossbred sows are especially advantageous with better conception rates, more pigs born and weaned, and heavier litters …

This is the official version of the "perfect" breed specimen and should be the starting place for any breeder. The AKC offers breed videos with real-life examples, and many parent clubs offer...