Hi I need any thoughts anyone might have on late term abortion. I have a 12 year old paint mare. We bought her 4years ago, maiden. Tried for two years to get her in foal using TCS. Never got her to take, seemed to pool fluid after every attempt, stallion ower was helpful changed extenders, but still no luck. had a biopsy of her uterus came back a 2b, our vet suggested live cover, hard to find a top quality stud in our area that will do that. I sent her to a friend in Canada who has a lovely hunt seat stallion and only does live cover, figured she could get a foal then send her back to me infoal the next year. Sounded like a good plan for all of us. The mare was covered once and was in foal, seems the real thing worked. She aborted that foal in mid December at 9 months. We chalked it up to an act of god and tried again last year ,same thing one cover and pregnant. Aboorted second foal this January again at 9 months. Sorry for the long post but a long on going situation. When the mare went to Canada she was fully immunized. They do not immunize up there, so has had no rhino shots for 2+ years. They have mares coming and going on the farm but seem to have very good luck with 10+ healthy foals every year. My friend does not wish to try a third time with this mare, too heart breaking. I am bringing her home before summer this year. I have run all this by my vet and two other vets that were involved in trying to get her in foal here. All three feel this may be a rhino problem,my vet wants to test her blood and see if she is harboring it? I am very confused if she has rhino in her blood serum wouldnt the other mares she has been living with also be aborting their foals? I know alot of what goes in in horse repo is in gods hands but I am also a firm believer in trying to find a reason for this misfortune. I would love to hear from anyone who might have thoughts on this situation. I love my mare who is a lovely girl with a nice show record and a great disposition, I guess I just cant give up on her being a mom.
A IIB uterus is not very good. With a IIB uterus your mare will likely have no problems conceiving but only has a 10-50% chance of carrying the foal to term. I am going to assume your mare is just not able to carry a foal to term and would not think it has anything to do with the rhino. You could continue trying and "may" get lucky once in a while but I would say there is a good chance that she will continue to lose them at the 9 month mark which is heartbreaking.
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