I am kind of at a loss. here is what is happening... Mare foaled 13 days ago, everything went lovely. She has not even shown a tick of being in foal heat yet. So we ultrasounded. We see 6-7 follicles on one ovary and 3-5 on the other and a few follicles are about 20mm, but nothing prominent. It was my thought that we'd see 1 or 2 getting close to 30mm and she'd be close to ovulating being 13d post-foaling... but nope. One suggestion I got was to give her 10d of Regumate, then administer lutalyse and she'll come into heat in 21d or so instead of the natural 30. OK... my thought is to just leave her and she'll cycle naturally... BUT, with her ovaries doing this, will she actually ovulate sometime soon and then cycle on her own... or is this "reboot" (with Reg & Lut) of her system necessary?! She is sitting at the studfarm not cycling, so I was going to go get her to save costs, but I wonder what the heck her ovaries are going to do from here.... any thoughts? I'd like to breed her before the end of May.
You can try the Regumate, but it sounds more as though you are looking at a "lactational anestrus" mare - one that does not cycle until they are weaned. Most of these mares will undergo a foal heat ovulation, but there are a few that don't...
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