A friend of mine's mare just aborted yesterday - she was due in July. It was a filly. The mare had trouble getting pregnant for the last two breeding seasons (I believe that last year was the end of the LFG). They finally took her to equine hospital that has a breeding specialist and found an infection that they treated and then got her bred on the last day (in August). Mare has also had lameness issues, but was also leased out as a lesson horse (before & during her pregnancy) for lower level dressage until she broke down and was too lame to use. The vet was just out on Friday (3/7/08) to give shot (like Pneumabort, but something else used - don't remember name), and then yesterday she was apparently bleeding. Vet came out yesterday and had to pull filly out of mare. Filly had apparently been dead a couple of days. Umbilical cord was checked and looked fine. No other noticeable deformities on filly, etc. A necropsy will be performed - but not sure when results are due. I also have a mare that is due in June and she has had the same shot (not the Pneumabort, but another product that does the same thing). Not sure if I should get the next shot? Any thoughts, experiences regarding the shot and/or mare aborting?
EHV-1 (Rhinopneumonitis) has a latent capability (i.e. can remain dormant in the body, and resurface at some point). The resurfacing of the disease can commonly be attributed to stress incurred by the mare. There is a possibility that the vaccination could cause the stress. It is worth noting however that the likelihood of abortion from EHV-1 as a result of the mare not being vaccinated is greater than the risk of abortion following vaccination.
Until your friend gets the results of the necropsy, jumping to alarming conclusions about the abortion is counter-productive, as will be most cases of not vaccinating a mare against EHV-1.
Thanks for the input Jos. My apologies - not trying to jump the gun before the necropsy results and certainly do not want to be counter productive. I guess just having this hit so close to home per say sends up red flags and being that I'm newer to this (have only been breeding for six years and have two babies on ground and one due) and am smaller breeder, I of course want to make sure that I am doing everything right as much as possible.
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