Two experiments, involving six experiment stations in the North Central Region of the United States, were conducted to examine the space requirements of mixed-sex pigs (barrows and gilts) from 54 to 113 kg live weight. In both experiments, corn- or milo-soybean meal-based diets were formulated within stations to contain .6% lysine and no growth-promoting feed additive. In Exp. 1, entire pens of...
