Anyone with ideas jump in here! I have a stallion that's concentration is usually about 500 M/ml and sometimes gets as high as 679 M/ml. The motility is very low; anywhere from 30% to 50%. We have no problem settling mares to him on farm or shipped. The problem is when we ship. The recieving end always calls and isn't happy because they see all the trash (dead sperm) in the dose. I've had the horse on whole flax seed as well as DynaLode, but it only helps a little. I don't know if he is not shedding sperm cells when he urinates or what. I've tried collecting him 2-3 times per day for 4-5 days and that helps somewhat. It will get his progressive motility up to almost 90% or better. The problem is it drops his concentration to about 70 M/ml and as soon as you go back to collecting him every other day to breed and ship he goes back to the high concentration/low motility again. Obviously some of you are probably saying just keep collecting him frequently, but I have several other stallions and many other horses to deal with and its time consuming. I had someone tell me about a drug that is used as an aid to "clean the repro pipes" on a stud, but cannot find a vet around here that knows anything about it. Any advice would be very welcomed.
There is no drug that I am aware of that will assist in clearing dead sperm without an ejaculation in the event that you are dealing with an "accumulator" stallion. The only solution is to keep collecting him 2 or 3 times a week to keep the accumulation levels down regarless of the need for the sperm.
30-50% is low, but not what I would call "very" low (although at the 30% end he is getting there...). The chances are that when you are getting down to ~70 x 106 concentration, that is going to give you trouble shipping a quality shipment, so you might want to contemplate fractionation of the ejaculate or centrifugation to increase the concentration (by decrease of the volume).
Sorry no "wonder drug" solution!
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