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Predictors of death and production performance of layer chickens in opened and sealed pens in a tropical savannah environment
BACKGROUND: Layer chickens are exposed to high risks of production losses and mortality with impact on farm profitability. The harsh tropical climate and severe disease outbreaks, poor biosecurity, sub-minimal vaccination and treatment protocols, poor management practices, poor chick quality, feed-a...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4173064/ https://www.ncbi.nlm.nih.gov/pubmed/25212591 http://dx.doi.org/10.1186/s12917-014-0214-7 |