Principal Descriptors of Body Condition Score in Holstein Cows

Journal of Dairy Science - Tập 77 Số 9 - Trang 2695-2703 - 1994
James D. Ferguson1, David T. Galligan, Niels Thomsen
1Center for Animal Health and Productivity, University of Pennsylvania School of Medicine, New Bolton Center, Kennett Square 19348.

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Tài liệu tham khảo

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