Beak trimming, or ‘debeaking’, involves partial amputation of the beak in order to prevent or reduce feather pecking and cannibalism. It is traditionally performed by removing one-third to one-half of the upper mandible and sometimes also a part of the lower one with a heated blade.
It should be done when the birds are young (6-9 days). If it is done later, the birds develop neuromas at the cut tip and hypersensitivity in region as a result. Beak trimming is banned in some countries, e.g. Sweden, whereas in other countries new methods such as bio laser and infrared amputation methods are being tried.
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