I need to purchase semen extender JUST for on-site collection and AI....not for shipping. We have experimented with a couple, and our 24-hour motility is low. We have not been able to examine the semen right after collection because we haven't yet received the microscope.
My question is, do we NEED antibiotics in the extender if we are going to collect and then inseminate within 20 minutes? I have been told that you must extend semen, even if you are just walking it right from the stallion to the mare. But do you need the kind with antibiotics, or would just the water/milk mix work? We are wondering if the antibiotics are causing our problem, though it could be temperature problems in cooling (we're using an Equine Express II container to store the semen).
Posted on Thursday, January 16, 2003 - 02:59 pm:
Toni, I haven't always had good luck getting an accurate 24 hr (or later) motility from the Eq. Exp. syringes. The dead ones settle out & often get "stuck" in the neck. Did you try expelling ALL the semen from the syringe into a cup, mixing well, then checking? Are you sure it is given enough time to warm on the slide?
I have had no problems with this.. I have stored semen 48 hours in them and longer when testing it to see how long it will last..
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