When is a cow in estrus? Clinical and practical aspects
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PII: S0093-691X(10)00109-3
doi:10.1016/j.theriogenology.2010.02.016
© 2010 Elsevier Inc. All rights reserved.
PII: S0093-691X(10)00109-3
doi:10.1016/j.theriogenology.2010.02.016
© 2010 Elsevier Inc. All rights reserved.