title: Observations on disease during the first two years of operation of a large pig fattening unit. I. Incidence.
mesh_terms: D000383:Agriculture; D000818:Animals; D003967:Diarrhea / Q000453:epidemiology / Q000401:mortality / Q000662:veterinary; D004403:Dysentery / Q000453:epidemiology / Q000401:mortality / Q000662:veterinary; D005534:Foot Diseases / Q000453:epidemiology / Q000662:veterinary; D006799:Housing, Animal; D011014:Pneumonia / Q000453:epidemiology / Q000401:mortality / Q000662:veterinary; D013552:Swine / Q000254:growth & development; D013553:Swine Diseases / Q000453:epidemiology* / Q000401:mortality