Beak trimming reduces feeding efficiency of hens
Prescott, N. B. and Bonser, R. H. C. (2004) Beak trimming reduces feeding efficiency of hens. Journal of Applied Poultry Research, 13 (3). pp. 468-471. ISSN 1056-6171
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The ability of beak-trimmed and intact laying hens to ingest feed pellets was examined by highspeed video filming of feeding birds. The birds were exposed to either a deep layer of pellets or a single layer of pellets. In the single layer treatment, there was a negative correlation between mandible asymmetry and feeding success. These data have important implications for poultry welfare, since the degree of bill asymmetry caused by beak trimming may, under certain circumstances, result in inadvertent feed deprivation.
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