My mare has been bred 3 times AI and 1 time live cover, unsuccessfully. Each time she has been checked for pregnancy (day 18ish) she shows all signs of being bred(Cervix tight, Edema etc) but no embryo to be found. She then does not return to heat until approx day 50-60? She has been infused, and given Oxytocin 4 hours post breeding. She is 22 and has had 7 prior foals with no settling issues. She has 6 large cysts and several smaller ones. Would this mare benefit from a DMSO/Saline infusion? And if this is done can she be bred on the same cycle? And if we decide to regu-mate her to retain a pregnany, what day do you start post breeding? Thanks so much!
There is a web site for "Settle" that provides some product details. Essentially it stimulates the immune system and has show benefit with control of endometritis caused by pathogens including Streptococcus equi sub. zooepidemicus.
If called for, I would not hesitate to use DMSO and Betadine lavage in a mare. It is important that it be prepared correctly though.
I would not consider a mare at 22 to be too old to breed simply because of her age. We routinely breed quite a few mares in their 20's successfully. Older mares however do tend to have issues related to delayed uterine clearance post-breeding, and the use of an oxytocin protocol can be tremendously valauble - and it's cheap too!!!
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