Breeding Bull Management

In the United States, approximately 90% of beef cows are impregnated by natural service. Additionally, 90% of the genetics in a typical cowherd can be attributed to the bull. As a valuable asset in a cow-calf operation, bulls deserve the utmost care and attention. All too often, however, bulls are not a priority until it is time to breed cows. Managing for healthy, productive bulls is a year-round process. Keep in mind spermatogenesis (sperm production and development) is a 61-day process, making the two months prior to the breeding season critical. Management practices during the “off-season” for bulls, however, can also impact sperm production and quality, and the bull’s physical ability to breed cows.

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