Nichols, D.A.; Pollmann, D.S.; Olson, W.G.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1982)
Records of approximately 11,000 boars and 6,000 gilts enrolled in the KSU on-farm swine test program were summarized. Both boars and gilts reached 220 lbs 5 days sooner in 1980 than 1970. Of the traits evaluated, the largest ...