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Characteristics of dairy calf ranches: morbidity, mortality, antibiotic use practices, and biosecurity and biocontainment practices |
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| Authors: | Walker W L Epperson W B Wittum T E Lord L K Rajala-Schultz P J Lakritz J |
| Affiliation: | Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus 43210, USA. doc4vacas@gmail.com |
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| 本文献已被 ScienceDirect PubMed 等数据库收录！ | |