If you are doing AI then no. When breeding AI or really even live cover more is not necessarily better. The more semen and extender you put in the more has to come out and the more irritated the uterus will become lowering your chances of getting your mare in foal. Also semen it viable for 48 hours and depending on the stallion up to 72 hours.
-I'm so busy... I don't know if I found a rope or lost my horse.
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