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