Mortality, morbidity, case-fatality, and culling rates for California dairy cattle as evaluated by the national animal health monitoring system, 1986–87
Titel:
Mortality, morbidity, case-fatality, and culling rates for California dairy cattle as evaluated by the national animal health monitoring system, 1986–87
Auteur:
Gardner, Ian A. Hird, David W. Utterback, William W. Danaye-Elmi, Cyrus Heron, Billy R. Christiansen, Kathy H. Sischo, William M.