
08/08/08, 10:56 PM
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Alberta Farmgirl
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Join Date: Oct 2006
Location: Alberta, Canada (Not the USA!)
Posts: 903
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He's not drinking it, he's tasting it and testing it for pheromone activity to see if she's ready to be bred/in heat. If you watch closely he curls his upper lip up after he "drinks" the urine; this is called the flehmen response, because there are little detectors in his lip that are for smelling the pheromones from the cow's urine. The lip curls back and the head's up to drain that urine into those tubular dectors in the upper lip and what I mentioned previously.
It's possible that since he's favouring this specific cow he can sense she's coming into heat and like I said doing a taste/smell test so he can be ready to breed her when she's ready.
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