Hello~ The stallion owner that I am going to breed to is requiring a mare culture. Never had to b4 but not a problem, however she was in heat 5 days ago and today shows no signs. I was told that she HAS to be in heat for a culture to be obtained. Is this true? A friend told me her cervix is still soft a couple of days following her cycle and should not be a prob...after my Vets hours here so here I am. Thanks
It is not necessary for a mare to be in estrus ("heat") in order to perform the uterine swab. In fact there are arguments to be made for performing the swab during diestrus (when she is not in "heat"), although there are also arguments to be made for performing the swab only during estrus as well... it's an ongoing debate among scientists...
If you do end up having the swab done during diestrus (when she is not in "heat"), then you would be well advised to do it in mid-diestrus at least 6 days after she previously ovulated (or was in "heat") and then give prostaglandin to cause her to come back into estrus. this is to protect her uterine environment in case a pathogen is accidentally introduced during the swabbing process (which can happen) - during diestrus the mare's uterine immune function is suppressed, so she would not necessarily be able to deal with any pathogen introduced at that time, but bringing her back into estrus will cause the uterine immune response to become elevated and hopefully take care of the pathogen.
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