So, my tiny stallion that I was worried about last year (refresher post... http://www.equine-reproduction.com/board/messages/1915/31778.html?1209960241 )of course has been dropped and ready to go. As the mares become open this year, I've been hand breeding them to him. He's much smaller than them, so I let him jump up in the feedroom and back the mare up to the door. I see the tail flagging, he gets the job done....but both the mares he bred came back into heat???? What could be affecting his fertility? One of the mares I gave him literally breeds ONE time per year, and she breeds back on foal heat EASILY. And even she is back in. I have no idea what to make of this, and how to know if he's even fertile. Of course, he's not been trained to collect, and I dont' know how they would test to know if his sperm was adequate. I really have alot invested in him, and would like to see him do well as my future herd sire. Are there any tests they can do to determine fertility? He doesn't like to be touched 'down there' and I have no idea what to ask the vet for? Thanks in advance....hope I don't sound too ignorant. LOL
Without a semen evaluation, there is really no starting point to determine if the problem lies with the stallion or the mares.
Don't fall into the trap of "my mare's always caught on a single breeding for the last 15 foals, and now she doesn't, I can't understand it". Prior fertility levels in the mare do not necessarily indicate a current fertility level. Remember that with each foal, the "wear and tear" on the uterine lining is increased, and a little more tread gets worn off the tires with each foal! It may not be the stallion's fault therefore...
Collection with evaluation of progressive motility, sperm morphology and total sperm numbers in the ejaculate are your starting point. If you want to bring him down to us to work with him, feel free to contact us privately - we're located just outside Wynnewood, off exit 64 on I-35 about 45 miles south of Norman, OK - which probably isn't all that far from you.
Thank you so much Jos!! I'll email in the morning!
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