Have You Rotated Your Breeds Lately?

This article written by Dr. Reynold Bergen, BCRC Science Director, originally appeared in the May 2018 issue of Canadian Cattlemen magazine and is reprinted on the BCRC Blog with permission of the publisher.



Before becoming a politician and long before becoming a noted Western Canadian historian, Grant McEwan was an animal science professor at the University of Saskatchewan. In 1938, he and A.M. Shaw published “An Experiment in Beef Production in Western Canada” (Scientific Agriculture XIX:177-198), summarizing one of Canada’s first crossbreeding projects. Straightbred 2-year old Angus, Shorthorn, Galloway and Hereford cows (40 each) were pastured year-round on the Matador community pasture in southwestern Saskatchewan and bred to Angus (1930), Hereford (1931), Shorthorn (1932) and Galloway bulls (1933). As a result, each calf crop had 25% straightbred and 75% F1 crossbred calves. The calves were finished for slaughter at the university feedlot in Saskatoon. Crossbred calves averaged 3% higher Continue reading