Debeaking, also called beak trimming's the partial removal of the beak of poultry, especially chickens and turkeys. Most commonly, the beak's shortened permanently, although regrowth can occur. The trimmed lower beak's somewhat longer than the upper beak. USA's UEP guidelines suggest that in egg laying strains of chickens, the length of the upper beak distal from the nostrils which remains following trimming, should be 2 to 3 mm. The term “debeaking” implies that the entire beak's r… (More on Debeaking)