title: Alternative approaches to eliminating endemic diseases and improving performance of pigs.
authors.affiliation: Pig Improvement Company, Franklin, Kentucky 42134.
authors.forename: D L
authors.initials: DL
authors.lastname: Harris
mesh_terms: D000822:Animal Husbandry / Q000191:economics / Q000379:methods*; D000818:Animals; D013552:Swine; D013553:Swine Diseases / Q000191:economics / Q000382:microbiology / Q000469:parasitology / Q000517:prevention & control*