Posted on Wednesday, September 09, 2009 - 07:02 pm:
I live covered my mare (known DUC) a minimum number of times on her last heat, but she had fluid build-up when I hauled her to a (far away)repro vet. She was then lavaged post breeding, pre-ovulation, but she filled up again as the cervix closed post ovulation. I am assuming this means no pregnancy. The recommendation was to to bring her back for more lavage on her next heat, but i wonder if she is not infected, would it be just as effective to give her oxytocin during her heats until spring, check her in the spring and biopsy then and consider curettage at that time?
Posted on Wednesday, September 09, 2009 - 10:33 pm:
If she were my mare, I would start by performing an endometrial cytology smear, and if warranted by the results, a uterine culture. If the cytology were clear (no inflammatory cells) then I would make us of the oxytocin protocol, commencing treatment on the first day of estrus, and continuing until 3½ days after ovulation. Note that this must be low dose (10-20 iu oxytocin) and every 6 hours around the clock. If the fluid build-up exceeded 2 cm per ultrasound, then I would use uterine lavage pre- and post-breeding.
If that didn't work, I'd check back here for more tips...
Posted on Thursday, September 10, 2009 - 11:49 pm:
okay, just cause i have a mare that may have fluid issues, is there an oral form of oxytocin? she is a hard to handle mare and hates shots, but her cervix has never been all the way open at breeding....
There is no oral form of oxytocin that I am aware of. You can however use insulin syringes and needles, which are very fine, and most horses do not object to. Do be careful however that you don't break off the needle, as they are very fine, and therefore somewhat more fragile.
Posted on Saturday, September 12, 2009 - 01:09 pm:
On the written recommendation the vet clinic gave me, "uterine biopsy" is listed. I was told this was to determine the grade of her uterous and determine if curettage might be helpful. This sounds different than "endometrial cytology smear" to determine the presence of inflamatory cells. Can you clarify, please?
Posted on Saturday, September 12, 2009 - 02:42 pm:
A "uterine biopsy" takes a small sample of the endometrium (the lining layer of the uterus), and that is then looked at to determine the actual cellular condition of the sample as well as any surface cells present. An endometrial cytology smear looks at the cellular condition of the sample that was taken from the surface of the endometrium (i.e. a smear of the surface, rather than taking a chunk of the tissue). This will include only cells that are present on the surface of the endometrium rather than deeper cells.
A biopsy will give you the same information that you would get with a cytology smear, and more, so it is a more in-depth diagnostic tool than a cytology smear. If your vet feels that this is the recommended course of action, I would endorse that thinking - the more diagnostic work the better if dealing with a "problem" mare. You can couple the biopsy with a culture, so a "biopsy and culture" would be best.
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