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Do Laying Hens with Keel Bone Fractures Experience Pain?
The European ban on battery cages has forced a change towards the use of non-cage or furnished cage systems, but unexpectedly this has been associated with an increased prevalence of keel bone fractures in laying hens. Bone fractures are acutely painful in mammals, but the effect of fractures on bir...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Public Library of Science
2012
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3425496/ https://www.ncbi.nlm.nih.gov/pubmed/22927930 http://dx.doi.org/10.1371/journal.pone.0042420 |