Lignophagia is the abnormal behaviour of chewing and eating wood. It has been recorded in several species, but perhaps most commonly in horses where it is sometimes referred to as `wood chewing`. Lignophagia is a type of eating disorder called pica in which normally non-nutritive substances are chewed or eaten. For some animals, wood is the norm.....
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An abnormal chewing and eating of wood, seen in horses in restrictive quarters. ... Origin: L. Lignum, wood, + G. Phago, to eat ... (05 Mar 2000) ...
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