Descriptive epidemiology of morbidity and mortality in Minnesota dairy heifer calves

Preventive Veterinary Medicine - Tập 27 Số 3-4 - Trang 155-171 - 1996
Neal J. Sivula1, Trevor R. Ames1, W.E. Marsh1, R. E. Werdin2
1Department of Clinical and Population Sciences, University of Minnesota, Saint Paul, MN 55108, USA.
2Department of Veterinary Diagnostic Investigation, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN 55108, USA

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