Raye Walck, DVM, director of the Western Slope Veterinary Diagnostic Laboratory at Colorado State University (CSU), shared a grim story with Lela Nargi. She recounts what Walck said happened in sheep from high-desert grazing lands in Grand Junction, Colorado. “I had a case a couple of years ago where these sheep came off the range and were brought into a dry lot situation, into … [Read more...]
Slick mutation keeping Puerto Rican dairy cows cool
Heat stress costs the U.S. dairy industry as much as $670 million yearly. Scientists predict it could cause a 6.3 percent drop in milk production by the end of the century. However, some dairy cows in Puerto Rico have a natural mutation recognized as “slick,” which gives them an advantage in hot humid conditions. Slick cows have a shorter coat and more active sweat glands than … [Read more...]