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Stallion"losing his load " after dismounting

Equine-Reproduction.com Bulletin Board » General Stallion Questions » Stallion"losing his load " after dismounting « Previous Next »


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Cassandra Jo
Neonate
Username: Fzybtfrm

Post Number: 2
Registered: 06-2009
Posted on Monday, June 08, 2009 - 02:11 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

My stud is a very good boy, easy to handle, mounts, does his job, then dismounts. His glans will be enlarged("flowered" or "mushroomed", as they say), so i feel confident he has ejaculated, however when he withdraws he dumps a load of semen and fluid on the ground, it looks like about a cup's worth. Is this normal, and should we be doing anything to encourage him to stay "up there" a little bit longer? Thankyou, we are learning, and appreciate all the knowledge available for the picking on this board! You guys are the best!
 

Jos
Board Administrator
Username: Admin

Post Number: 2473
Registered: 10-1999
Posted on Monday, June 08, 2009 - 03:06 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

There are three portions to an ejaculate:
  • Pre-ejaculate, which is the clear fluid that drips from the stallion's penis prior to mounting;
  • Sperm-rich fraction, which is - as it sounds - the portion that contains the sperm, and is about the first three ejaculatory spurts;
  • Tail-fraction, which contains the secondary sex-gland secretions, which includes seminal plasma and gel fraction (if there is any).
The vast majority of the volume of the ejaculate is made up by the tail-fraction portion with seminal plasma. By the time the seminal plasma "arrives", the sperm-rich portion should have been ejaculated directly into the uterus - something that happens either as a result of the stallion penetrating through the cervix into the uterus (if the cervix is relaxed enough), or the hydraulic pressures created by the "sealing" of the glans and the cervix at the time of glans expansion. When the stallion dismounts, he may still have ejaculate discharging from the penis, but that is almost certainly gel fraction, and will contain few or no sperm.

The bottom line is that as long as the stallion is staying up on the mare for a reasonable amount of time during the copulatory process (which you indicate he is), then almost certainly what you are seeing dripping from his penis peri- and post-dismount is a portion that's not a concern if it's lost.



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