I have a maiden mare (will be 16 this breeding season). Last season, she got pregnant twice and lost the foals by day 40 and 30. I am trying to decide whether to do ET this year or try again to get her to carry on her own. Last year, there were many factors that may have contributed to embryonic loss -- mare was taken from a small farm andmoved to a huge breeding facility, was stalled but got into fight with brood mares when turned out, began to self-mutilate by grating teeth against the stall. Also, she was a bit underweight at that time. Uterine biopsy is a 2A, hormone levels normal, regumate was used unsuccessfully last year. Antibiotic uterine lavage was used for second pregnancy.
Am planning to test for thyroid, mineral deficiencies andpossibly bladder infection prior to the breeding season. Have had her under lights and she showed a very strong heat two weeks ago. reproductive confirmation has improved with weight gain.
Here is the dilemma -- I spoke to a breeder at a large, respected breeding farm. It was her opinion that the key issue for this mare is to try to get her to carry a foal on her own, as once her reproductive system is "jump-started" she will have greater longevity as a broodmare and ET candidate later in life. It was her opinion that if the mare never carries on her own, her reproductive system will continue to shut down, thereby limiting her ability to produce viable embryos. I welcome any thoughts or opinions that may help me to decide whether to go ahead with ET or wait another year?
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