Influence of Estrus Detection on Days Open in Dairy Herds
نویسندگان
چکیده
منابع مشابه
Euthanasia in Danish Dairy Herds
Peter T. Thomsen1,2, Tine Rousing1, Jan Tind Sørensen1 & Anne Mette Kjeldsen3 Danish Institute of Agricultural Sciences, Department of Animal Health and Welfare, Research Centre Foulum, P.O. Box 50, DK-8830 Tjele, Denmark, The Royal Veterinary and Agricultural University, Department of Animal Science, Grønnegårdsvej 8, DK-1870 Frederiksberg C, Denmark, Danish Cattle Federation, Udkærsvej 15, Sk...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1975
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(75)84554-1