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Cattle Boards
Health & Nutrition
excessive antibiotic use
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<blockquote data-quote="wbvs58" data-source="post: 1404517" data-attributes="member: 16453"><p>Nesi, some years ago I used some well out of date Trivetrin on a calf that was looking a bit swollen in joints, a couple of weeks later the skin started to die over the outside of one hind fetlock and inside of the other, that is they both would have been on the top and exposed to the sun when laid down. The skin eventually sloughed right down to the bone and also the joint capsule so open joint was exposed. I had to shoot it.</p><p></p><p>My suspicion was that the out of date Trivetrin had broken down and caused some photosensitization. I can vaguely recollect something about Sulphonimides causing photosensitization so maybe it broke down to a more primitive sulphonimide.</p></blockquote><p></p>
[QUOTE="wbvs58, post: 1404517, member: 16453"] Nesi, some years ago I used some well out of date Trivetrin on a calf that was looking a bit swollen in joints, a couple of weeks later the skin started to die over the outside of one hind fetlock and inside of the other, that is they both would have been on the top and exposed to the sun when laid down. The skin eventually sloughed right down to the bone and also the joint capsule so open joint was exposed. I had to shoot it. My suspicion was that the out of date Trivetrin had broken down and caused some photosensitization. I can vaguely recollect something about Sulphonimides causing photosensitization so maybe it broke down to a more primitive sulphonimide. [/QUOTE]
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