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Pessimistic individuals more vulnerable to depressive-like states after hot-iron disbudding
Disbudding dairy calves is a common but painful procedure to prevent horn growth. Even when controlling for the immediate, intra-operative pain, post-operative pain can last for days after the procedure. Anhedonia, the reduced ability to experience pleasure, is associated with low mood in humans. In the current study, UBC researchers report the first evidence of […]