I'm wondering how late in the season is too late to breed a mare? I live in the upper Midwest, so 'early' is as late as April or May already.
I have been trying to breed my mare by AI this spring. 1st try in mid-May, second try in mid-June when she came back in heat (vet did not see an embryo at 20 days post 1st breeding and mare came back in heat). If she does not take the second time, I will probably try again in July for a June foal next year.
This mare is 11 now, she's had six foals starting when she was 3 (all live cover) and was open last season (no foal this year). I was hoping to start her earlier so she could go the next several seasons having a foal every year. If she doesn't take again in July, would it be better to just wait until next spring and start early, or keep trying? The vet has not checked her for infection, I think that is what we would try next.
If you continue to try in July, my best advise is to ship same day air!!! The heat of the summer and the temps in the airplane can kill the semen if shipped next day. I live in WI and our "dog days" of summer hit in July and August. Is the semen you are getting good quality? I assume the vet is checking it after insemination to give you an idea of that. Yes it's a good idea to get a culture on the mare, especially if she's older and has had previous foals. My other suggestion is to bit the bullet and send the mare to a reproduction specialist. They have seen it all and it's worth the extra money you spend to just keep the mare there and let them time her up and do the insemination and make sure she ovulates. GOOD LUCK!!!
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