Born to cows after their mothers are served either using natural serving or artificial insemination, heifers are the future of the herd. A well-planned breeding program brings forth the best results ...
Inbreeding is thought to cause reduced genetic variation and diminished viability. In the January 18 Nature, Visscher et al. studied the genome of a viable herd of cows, Chillingham cattle (Bos taurus ...
AMES, Iowa -- Dairy; cows aren't staying in herds as long as they used to, and replacement heifer prices are high and supply of heifers is tight. While management changes and improvements in cow ...