Association of age at first calving with longevity, milk yield, and fertility up to the third lactation in a herd of Holstein dairy cows in Japan
Accelerating age at first calving (AFC) is a strategy for sustainable dairy farming, whereas the impact of a reduction in AFC on long-term performance remains unclear. In this study, longevity and milk productivity until the end of the third lactation period were investigated retrospectively accordi...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
The Society for Reproduction and Development
2023-09-01
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| Series: | The Journal of Reproduction and Development |
| Subjects: | |
| Online Access: | https://www.jstage.jst.go.jp/article/jrd/69/6/69_2023-012/_pdf/-char/en |