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Non-Dietary Sources of Variation in Milk Urea Nitrogen in Ohio Dairy Herds |
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| Authors: | Päivi J Rajala-Schultz |
| Institution: | 1.Department of Veterinary Preventive Medicine,College of Veterinary Medicine, The Ohio State University,Columbus,USA |
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| 本文献已被 SpringerLink 等数据库收录！ | |