okay, now my pony was just standing up and coughed and all this green snot came out of his nose and it was GROSS!!! then we went riding after a few hourse because my boss said it was nothing, well he coughed after troting and cantering and after we jumped a little, but the green snot is only coming out of his left nostril, where i keep my horse the owner of the barn said he might have the flu or rhino, or maybe strangles, and i know he can founder from that... anyone else have anyother ideas of what it could be??? please help!!!
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