I was inseminating a 12 yr old warmblood that had been bred before but never produced a foal, when I was easing in the vulva it sounded like air escaped on 2 different occasions. Not sure if air was coming out or going in?? It was like I was burping a tupperware bowl. Should I assume she is sucking air and needs a Caslick's procedure? Thinking of doing a cytology/culture again, last one was done last July at the end of last year. What do you think?
It would be more likely that the air was going in, not out. The condition is pneumouterus and may well benefit by placement of a Caslick's procedure. If the reproductive conformation is significantly tipped, do be cautious however that such a placement does not create a urine pooling situation.
While a cytology and culture may prove valuable, windsucking mares may often have inflammatory cells present as a result of the irritating nature of air. Placement of the Caslick's procedure a cycle or two prior to c/c may be warranted therefore. If timing is an issue, look for eosinophils in the cytology, which can be indicative of the windsucking. Use of a general Betadine/DMSO lavage by your veterinarian can be valuable in this type of a mare if uterine pathogens are present, as often there are many different varieties and choosing a specific antibiotic can become tricky in covering for all sensitivities.
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