Bull fertility: Improving cow conception rate

Fertility is an economically significant trait in dairy production systems; however, genetic evaluations for fertility are only calculated for females in the US dairy industry. To improve the overall efficiency of dairy production, it is necessary to identify and eliminate young bulls with sperm abnormalities and unacceptable semen quality. Genetic and genomic evaluations are effective tools available to achieve this goal. In dairy production systems, a large number of cows are artificially i