Catron, D.Hazel, L.2021-02-252021-02-251955-09-01https://dr.lib.iastate.edu/handle/20.500.12876/94731<p>Twenty million hogs a year in Iowa alone- that's big business. But, efficient competition from other meat-producing animals, especially broilers, is forcing more specialization, increased application of research findings and increased efficiency in hog production.</p>articleisulib-bepress-aws-west197920482216farmscience/vol10/iss3/2Agriculture