Additionally, bulls influence their daughters' production in the cow herd. Each cow produces one calf per year however, bulls should contribute to the calf crop by 25 to 60 times via siring 25 to 60 calves. In addition, the herd bull influences overall herd fertility more than any other single animal, and loss of fertility by a bull can cause substantial loss to a potential calf crop. ![]() Proper management and nutrition of bulls is essential to ensure cow/calf producers maximize reproductive efficiency and genetic improvement of the calf crop. ![]() Julie Walker 1, George Perry 1, Russ Daly 2 and Ken Olson 1ฤก Departments of Animal and Range Sciences and 2 Veterinary Science ![]() December 1, 2 and 3 2009, Casper, Wyoming Bull Management and Nutrition
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