I would say that the first thing you need to do is have the mare pregnancy checked again! Pregnancies do get missed...
In the event that she is confirmed not in foal, there are a couple of possibilities for the delay in return to estrus. She could have had a mid-cycle ovulation which is not unusual at this time of the year and which can interfere with the timing of the return to estrus in some instances; or she could have undergone early embryonic death, which can delay the onset of the next estrus. Either way, more evaluations are needed to determine what is happening, and then you can make an educated decision as to where to go from there!
thanks,I'am are under the impression that she has been regularly scanned and teased whilst she has been away and can only assume that if a pregnancy was missed first time then it would have been picked up by now.
The only thing i have been told that has been noticed is an old follicle,she has not ovulated that is known of since she has been away(25 days)and i would like to think that she has been checke frequently enough for it not to have been missed.
she is to be re-checked in 2 weeks to see if she is cycling normally again but i feel this is leaving things to chance.
What other evaluations would you think could be needed to get to the possible bottom of what is going on with her.it has been mentioned that some mares can go of at this time of year only for things to return to normal given time.
Certainly a follicle that hangs on before ovulating is going to produce reduced fertility. The question appears to be whether there was anything on the other ovary.
You might want to use a blood-progesterone assay to determine if she has indeed got a functional CL present. If she genuinely does, the Prostaglandin F2α may be of use seeing as you appear pretty confident she is not pregnant.
Other than that, a little tincture of time seems to be the Rx...
Our mare did eventually come back into season and was AI'd but still no pregnancy and more fluid built up. From the invoice we recieved she was given Reprocine,Quadrisol 100 syr (30ml),Reprocine(2),saline(2),reprocine,penstrip and giving set over a course of 3 days,but to be honest i'm not sure what any of this means.
We were told by one of the partners at the time of her scan that we would likely not get her back in foal again due to the amount of fluid she is producing and the other said to get her tucked up and thin and she should get in foal again.
Two different sets of advice from the same place leaves us completely confused as to what to do with her next year. She has a free return to the same stallion but do we use it on her if there is a possibility she won't hold a pregnancy again.
She is 16yr old cob x and a very good doer,she has 3 foals previously and her last foal was 3 yrs ago.
(Message edited by PMK on August 30, 2010)
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