Our mares were all ultrasounded at 16 and 40 days and are in foal. We check them fully every day when they are fed and everything seems fine BUT is there any way to really tell if they are still in foal besides another ultrasound?
If they absorbed or aborted would I have been able to tell?
The mares range from 150 days to 240 days pregnant at this time. I have never had a mare abort before so I am just wondering. (The 240 day mare is very big and I am pretty sure is pregnant)
Posted on Monday, January 13, 2003 - 07:24 pm:
After day 100 of pregnancy a blood-assay for the presence or absence of estrone sulfate will prove or disprove pregnancy respectively.
Posted on Wednesday, February 05, 2003 - 05:15 pm:
Hi, I have a 7 year old mare that, although pregnant, never LOOKS pregnant. I purchased her last year about this time when she was about 9 mos. pregnant and she didn't look pregnant at all, but yet you could feel a foal moving, and she finally did foal at 375 days. She is 9 mos. pregnant again, now, by a different stud, and once again does not look pregnant at all, but you can feel the foal moving. I'm just wondering why it is that this mare is capable of "hiding" her pregnancies so well? She is not being taken care of any differently than my other mares, who are 8 1/2 mos. pregnant and are all huge right now. She is of no different size, and is the same breed as the others. Do different mares have different body structures and are therefore able to hide their pregnancies?
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