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Temporal trends in reproductive performance in Irish dairy herds and associated risk factors
Irish dairy herd fertility has been declining since the 1980s. The extent, nature and causes of this decline in fertility and the current status of Irish dairy herd fertility were described. An increase in calving interval of approximately one day per year has been recorded. The principal components...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2004
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3113820/ https://www.ncbi.nlm.nih.gov/pubmed/21851656 http://dx.doi.org/10.1186/2046-0481-57-3-158 |