Originally Posted by MyLittlePonies
yah I just realized that about the title. Sorry.Ok, I see that. So then a 13 yr old should be fine then?
Probably, but as anything equine, there are no guarantees. Make sure your breeding soundness exam includes a uterine biopsy. At 13, you'll want to be sure that she stands a reasonable chance of carrying a foal to term.
Probably the biggest issue with older maiden mares is that their cervix tends not to relax normally thereby not allowing for the evacuation of fluid, debris, etc., normally associated with breeding. EVERYTHING that goes into that uterus, with the exception of one sperm, must come back out. The equine uterus is awful at absorbing fluid, so if the mare has a tight cervix, it exacerbates her ability to clear fluid.
A breeding soundness exam will give you an indication that everything appears normal and that she doesn't have any gross physical anomalies or abnormalities that might make getting her pregnant more difficult, but it probably won't give you an indication if she will have clearance issues.
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