Holstein cattle at the UC Davis Dairy Facility. Chromosomes from a legendary bull born in 1962 account for almost 14 percent of the genome in the current Holstein population in the United States. A ...

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.

Scientists didn’t know which genes were responsible for a Holstein’s spots - until now.

Computer scientists have devised a methodology that can recognize Holstein cows in the milking station by the pattern of their coat using artificial intelligence. The long-term vision is to develop a ...

BRATTLEBORO -- In the same thought of the old fishing theory, give someone a cow and they will have milk for a day. But teach them how to care for a cow and they'll have milk for a lifetime. That's ...

Philadelphia, August 24, 2020 - Since 1960, Holstein dairy cows have exhibited a substantial decline in fertility, with serious economic consequences for farmers. Genetic selection programs in the ...

The next time you're in the dairy aisle at the supermarket, take a moment to imagine the animals that produced all that milk. Do these cows have horns? Chances are they do, or at least they did at ...

Unlike most dairy cows in America, which are descended from just two bulls, this cow at Pennsylvania State University has a different ancestor: She is the daughter of a bull that lived decades ago, ...