Put young bulls with young bulls and mature bulls with mature bulls.
Before the breeding season begins, a few simple management procedures involving the bulls can increase the likelihood of a high pregnancy percentage among the cows.
1) In multi-sire pastures, make certain that the bulls that will be pastured together have been in a common trap or pasture prior to the breeding season. Bulls will establish a social hierarchy. It is better to get this done before the breeding season begins rather than wait until they are first placed with the cows.
2) Put young bulls with young bulls and mature bulls with mature bulls. Mixing the ages is will result in the mature bull dominating the younger bull completely, and in some instances causing a serious injury.
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