One of our Shire mares was u/s'ed today, thinking she would be at the point to order semen. Instead, we found a dense (white on u/s - with shadow) roundish thing about 15mm in the center of her ovary with several small follicles around it.
We do not have a stallion, so we go by u/s and occassional/non-deliberate teasing to our 31 year old Arab gelding (quite the impressive sight). The mare was most likely in heat around 5/30 (by observation) and we gave her a shot of Lutalyse late 6/4. Our vet u/s 6/8 and she appeared to be *just* starting to come into heat - a tiny bit of edema, small follicles but nothing out of the ordinary - no white object for sure. Vet returned to u/s mare today and found the dense spot with small follicles. He has only seen it a couple times before and on the one mare - they had a hard time getting her cycling. On that mare, Lutalyse did not work (3 days of treatment). P&E did. He never was able to find out *what* it was though either. He is coming back 6/15 to see if it is still there and we will decide what to do then.
Has anyone seen this, what is it and how do you deal with it?
Thanks Jos. Unfortunately, I wasn't able to get a printout of the scan. The mare is "stuck" and we have hit our limit of funds to spend this breeding season, so we have decided to let her go until next year. If it happens again, I will hopefully get a printout and ask again!
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