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 ...

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.

The event was generously sponsored by United Feeds. Prices peaked at 8,800gns twice, with 21 bulls selling in a complete clearance to average £4,212 each. Topping trade at 8,800gns each, were the ...

Dozens of dairy cattle were on the moo-ve Monday at Michigan State University. About 80 cows hoofed it to their new home, the Dairy Cattle Teaching and Research Center, a $75 million facility the East ...