My gelding is 8 years old. I had him gelded about a year ago. The only reason for having him gelded was that due to being a cryptorchid, during the hot summer months his one descended testicle swell to about 5 times its normal size. I had not gelded him before, because he was such a mellow stallion, never acted up or anything else stallion-like. So here is my dilemma. After he came back from the surgery ( I watched the surgery and they did remove both testes) he was a completely different horse. He started acting like a stallion ( which he had never done before to this extreme). He became very hard to handle around other horses and even jumped through the fence of the arena to get to a mare in the pasture across. If I would try to ride past the mare pasture he would start prancing and try to buck me off. Mind you, this is the same horse that I would ride in the warm up arena with 50 other mares and stallions at cutting shows. I talked to several vets, and they all said they had never seen such a behavior ( going from quiet to stallion-like). One vet said he might be proud cut, but that still doesnt explain the fact that he never acted like that before the surgery and then all the sudden became a different horse. I could give him Regumate and see if it makes a difference, I guess, but I am not sure If I want to deal with hormones on a daily basis. Anyone has ever seen something like that before. I really could use some input. I want my old horse back, the one that I could trust with pretty much anything. Now he is an accident waiting to happen.
I haven't a clue, Alex. Sorry. I've never seen this happen AFTER gelding. I wonder if the hormones for a little while might get his head back to where it was and you can perhaps stop them after a couple of months?
My 19 yr old gelding wasn't quite that bad. But.......he did want to breed all the mares(actually entering them) and kill all the male horses. Before the mares came into heat he was a super gentleman. Shocked me. Did some research and he wasn't gelded until he was 10, but no stud reports.????? very curious. Anyway...after testesterone tests which came out negative.....my vet put him on progesterone. finally regulated to 5cc a week while the mares are in heat. He is back to the perfect gentleman that he was when I bought him 2 years ago. Hope that this helps.
Good luck and God Bless, Sandy K.
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