Short communication: Behavioral attitude scores associated with bovine respiratory disease identified using calf lung ultrasound and clinical respiratory scoring
Autor: | Cramer, M.C., Proudfoot, K.L., Ollivett, T.L. |
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Zdroj: | In Journal of Dairy Science July 2019 102(7):6540-6544 |
Databáze: | ScienceDirect |
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