A.S. Series 71-42
Over the past decade the swine producer has made tremendous strides in producing leaner and more heavily muscled hogs which yield a higher proportion of their carcass weight in lean edible portion. The modern pig has excelled his ancestry in total performance, growth, feed efficiency and muscle producing ability. Because of the advances made in nutrition, breeding, and management, the meat type pig of today is more efficient than ever be fore in conversion of feed protein to muscle protein. In addition, the environment under which many pigs are raised has been changed from the customary pasture and dirt lot to a mechanically operated confinement system. These changes in production have added some new problems to the swine industry.
Number of Pages
Agricultural Experiment Station, South Dakota State College
Gee, Dan H., "New Pork Industry Problems: PSS and PSE" (1971). South Dakota Swine Field Day Proceedings and Research Reports, 1971. 15.