Severe disease in adult dairy cattle in three UK dairy herds associated with BVD virus infection

Veterinary Record - Tập 134 Số 18 - Trang 468-472 - 1994
Gregory David1, T. Crawshaw2, R. Gunning3, R. Hibberd3, G. Lloyd3, P. Marsh3
1Veterinary Investigation Centre, Shrewsbury, Shropshire.
2Animal and Veterinary Sciences
3Veterinary Investigation Centre

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