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Case-control study on factors associated with a decreased milk yield and a depressed health status of dairy herds in northern Germany
BACKGROUND: In the past years, it became apparent that health status and performance differ considerably within dairy farms in Northern Germany. In order to obtain clues with respect to possible causes of these differences, a case-control study was performed. Case farms, which showed signs of health...
Autores principales: | , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6896782/ https://www.ncbi.nlm.nih.gov/pubmed/31805933 http://dx.doi.org/10.1186/s12917-019-2190-4 |