In cow-calf systems, many of the factors that determine productivity, fertility and longevity are set long before a replacement heifer ever enters the breeding pasture. The biological foundation of ...

AMES, Iowa – Beef and dairy producers want the animals in their herds to possess the best genetics possible. But a cow can have only one calf per year, which places a natural limitation on how widely ...

AMES, Iowa – Iowa State University animal science and veterinary researchers made possible the first ever successful bovine embryo transfers in the Republic of Kosovo, paving the way toward improved ...

Researchers in the College of Agriculture, Health and Natural Resources have developed a novel line of bovine embryonic stem ...