Timed artificial insemination plus heat II: gonadorelin injection in cows with low estrus expression scores increased pregnancy in progesterone/estradiol-based protocol

The use of tail chalk and estrus/heat expression scores (HEATSC) evaluation is instrumental in identifying cows with greater estrus expression and greater artificial insemination pregnancy rates (P/AI) in cows submitted to timed artificial insemination (TAI), and cows with low or no estrus expressio...

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Bibliographic Details
Main Authors: W.B. Rodrigues, A.S. Silva, J.C.B. Silva, N.A. Anache, K.C. Silva, C.J.T. Cardoso, W.R. Garcia, P. Sutovsky, E. Nogueira
Format: Article
Language:English
Published: Elsevier 2019-01-01
Series:Animal
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1751731119000454