Anyone have any ideas for me? Here's the story... I've got three mares which I thought were all in foal. Today would have been day 53 for all. With the first mare, I had tried to breed her last year, but had lots of problems and never got her to hold a foal. She was bred this year, put on regumate right away and is holding fine. Mares were all checked via external ultrasound (I'm not sure how that works) on day 16 and again on day 23 at breeders. I trailered them home on day 24. All trailer well and it was a stress free ride. I used the pregnamare test kit on all three mares on day 51. The mare on regumate was the only one who came up positive. I just had my vet out to palpate the other two. Pregnamare was accurate, both open. One mare is a 5 yo maiden, very healthy, slightly underweight(I'm working on that). Other mare is a 12 yo who's had one foal 4 years ago with no problems, is healthy. Both mares have good reproductive confirmation. So what are the chances of 2 out of 3 mares slipping foals? Vet said both mares felt fine and there was no sign of infection. She didn't reccomend doing any testing. I'm going to try to short cycle them and if all goes well, rebreed.
Anyone had anything like this happen to them before? This (well last year with the problem mare) had been my first breeding experience and to have so many problems is very frustrating. Help please! Sorry about the long post...
I would be skeptical of the reported pregnancies with the early use of external ultrasound. I would be far more comfortable had they been checked with the usual rectal ultrasound equipment.
The Pregnamare assay tests for eCG secreted by the endometrial cups, not any progestin, so use of Regumate will not affect the results.
I wouldn't panic yet, but would start again with good breeding practices and confirm pregnancy using regular (rectal) ultrasound.
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