Effects of season and age at first calving on genetic and phenotypic characteristics of lactation curve parameters in Holstein cows
Abstract In this research data representing 72,946 primiparous cows from 724 herds with 638,063 total test day records calved between 2001 and 2011. These data were analysed to determine the effect of age at first and season of calving on parameters of the Wood lactation curve. Also, genetic trend o...
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| Format: | Article |
| Language: | English |
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Korean Society of Animal Sciences and Technology
2016-02-01
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| Series: | Journal of Animal Science and Technology |
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| Online Access: | http://link.springer.com/article/10.1186/s40781-016-0089-1 |