I have a 16year old maiden morgan mare. This spring she developed a large cresty neck, which is extremely hard at the top. She has "rings" on her hooves at an occurance of about every 2 weeks although never outwardly appears sick other than "depressed". (Constant state of founder?, this should not be related to feed intake) She had erratic heats, tried to breed AI 4 times. No pregnancy. Cervix did not open for more than about 4 hours and did not coincide with uterine/follicle tone. No fluid held in uterus. Blood work showed Vit e, se normal. Repro exam reveals nothing. Healthy prior to this onset. She is on "mare-plus", grain and has free access to salt/trace mineral blocks. Her hair coat is normal. Could this be a thyroid problem or cushings disease? Blood tests have not been run for thyroid activity.
Jos
Posted on Tuesday, October 03, 2000 - 08:50 am:
This does certainly sound very indicative of a mare with a Thyroid problem.
There are a series of pages dedicated to this topic in the BET Labs site which you can view by clicking here. Make sure you read all the pages - the link at the bottom of the first page to the next is currently broken so alter the URL in your browser bar to read "page15.html" for the second page.
Thyroid Problem? continued... Hi everyone, Just wanted to follow up on my mare. Blood work was just completed on T3 and T4. Both values are "midrange" within the normal range of values. The vet had no other ideas or theories as to what was happening with this mare. Any additional thoughts or ideas you may have would be greatly appreciated. Thanks.
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