More than 99 percent of Holstein bulls born using artificial insemination in the last decade trace their male lineage to just two bulls born in the 1960s. Efforts to reconstitute two lost male ...

In 2025 so far, the Lisduff herd has genotyped 270 calves at birth, with an average lab turnaround of 3.5 days. From birth to ...

“It is time to begin preparing for the upcoming breeding season,” says Patrick Davis, University of Missouri Extension livestock field specialist. In preparation for the upcoming breeding season, ...

Breeding season might be over for some, but bulls still need some attention. Kansas State University veterinarians Brad White and Todd Gunderson, and beef cattle nutritionist Phillip Lancaster say ...

Chad Dechow, a geneticist at Pennsylvania State University who studies dairy cows, is explaining how all of America's cows ended up so similar to each other. He brings up a website on his computer.