Evaluating the genetic potential of herd replacements is allowing one US-based dairy farming business to earn an average of $500 (£402) above market prices on annual sales of up to 200 heifers. Milk producer Robert Webb generates additional income from selling progeny from his 750-cow pedigree Holstein herd from his farm in Wisconsin, in America’s Midwest. See also: Wagyu DNA tag Mr Webb has used genetic testing to shape the herd for the past eight years. “We are paid an […]