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Cooled Semen ???

Discuss tips and tricks used in live cover and AI situations.

Moderator: Jos

Cooled Semen ???

Postby lotsofponies » Wed Aug 07, 2013 6:08 pm

Is there any connection between how long a stallion's semen will last cooled (good pm) and how long it will last in a mare? I have had one of my boys extended semen in the fridge for 6 days (forgot it was there), checked it his evening, could not believe the pm was around 50%, they were zooming fast. Normally I would breed/AI every 48 hours until ovulation, what are the chances it lasting another 24 hours in the mare???
lotsofponies
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Re: Cooled Semen ???

Postby Jos » Wed Aug 07, 2013 8:33 pm

Not really, as the uterine environment can be tremendously protective for sperm, or extremely destructive.

It is also important to remember that although one can have motility over an extended period of time, one does not necessarily have fertility in those same motile sperm. In other words, one can still have motility at 6 days, but would get no pregnancies with the semen if put in a mare.

You might also like to look at our article about sperm motility, as in fact 50% is a pretty high rate of progressive motility even for freshly ejaculated sperm... :)
We're always happy to try and help, but don't forget to check the articles section
of the website too, which has a search engine to help you look for answers!
:)
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