The association between age at first calving and survival of first lactation heifers within dairy herds
The objective of this research was to evaluate the survival rate of primiparous heifers within a large sample of herds across the United Kingdom and specifically to assess the association between age at first calving (AFC) on their survival. Data from 437 herds were re-structured for analysis. Descr...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2016-01-01
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Series: | Animal |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S1751731116000689 |