Genetic parameters for milk yield and lactation persistency in the three first parities of Iranian Holstein cows
Background: Lactation persistency influences cow health and reproduction and has an impact on the feed costs of dairy farms. Objective: To estimate (co)variance components and genetic parameters of 100- and 305-d milk yield, and lactation persistency in Holstein cows in Iran. Methods: Records collec...
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Autores principales: | , , , |
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Formato: | article |
Lenguaje: | EN |
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Universidad de Antioquia
2019
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Acceso en línea: | https://doaj.org/article/c7c11790d5564e468d2d6a4a3cee4b21 |
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