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Lavage question

Equine-Reproduction.com Bulletin Board » Breeding Problem Mares - Volume 2 » Lavage question « Previous Next »


Author Message
 

Sideshot Ranch
Nursing Foal
Username: Sideshotranch

Post Number: 14
Registered: 03-2009
Posted on Sunday, May 10, 2009 - 03:06 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I have a mare that had about a 29mm follicle Monday (quarter horse) - the owner dropped her off Wednesday - of course showing signs of heat - we bred her Wednesday, Friday - still showing heat yesterday - I flushed her out with saline yesterday - cervix was wide open (still no idea if she ovulated) - we gave her 2 seperate shots of Oxytocin (1cc) 1 hour after flushing, then again about 4 hours after. She still showed signs of heat today - so we put more semen in her - question: can she still get bred even though I flushed her yesterday? or will any remaining saline compromise the effectiveness of the semen I put in her (if she has not already ovulated)?
 

jim ormond
Neonate
Username: Rolomaxi

Post Number: 2
Registered: 05-2009
Posted on Sunday, May 10, 2009 - 05:32 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Flushing the day before breeding with saline is not such a good idea as it causes an inflammatory reaction, usually mild, but this may interfere with sperm viability. Lots of people do it but results vary from mare to mare. Ultrasound paints a better picture of what you need to do!
 

Sideshot Ranch
Nursing Foal
Username: Sideshotranch

Post Number: 15
Registered: 03-2009
Posted on Sunday, May 10, 2009 - 10:47 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Yes - I wish we could checked this mare - but timing was all wrong to get her checked - and I just figured she would have been out by now. She could have ovulated already for all I know - but I had to go ahead and put semen in her today just in case. I am worried that she possibly could not have cleared it all out that well. I was hoping she would be out by today, but I couldn't get that lucky! Thanks for your response.
 

Jos
Board Administrator
Username: Admin

Post Number: 2412
Registered: 10-1999
Posted on Sunday, May 10, 2009 - 11:48 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

FWIW, research (Vanderwall et. al.) has demonstrated that one can lavage with Lactated Ringer's Solution ("LRS") as little as ½ hour before breeding without negatively impacting pregnancy rates.
 

Sideshot Ranch
Nursing Foal
Username: Sideshotranch

Post Number: 16
Registered: 03-2009
Posted on Monday, May 11, 2009 - 04:00 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Ok - we had her checked today, and she ovulated Friday. So my timing was right on flushing her out, but now I have put another dose of semen in her yesterday - ugh! So should she be flushed again or should I just give her some Oxytocin? I put about 10 mL of semen + extender yesterday. Again, she ovulated Friday, so should I just leave well enough alone?
 

Kim Peavy
Breeding Stock
Username: Lovemysinbad

Post Number: 399
Registered: 09-2007
Posted on Monday, May 11, 2009 - 05:44 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Just so I know...I'm learning this...how do you know she ovulated Friday, if you just checked her today? My vet always checks the day after AI, to see if she ovulated...how can you tell 3 days later and say she ovulated three days earlier...I'm just new and confused? Thanks
 

Jos
Board Administrator
Username: Admin

Post Number: 2416
Registered: 10-1999
Posted on Monday, May 11, 2009 - 08:41 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

You can safely use oxytocin until about 3½ days after ovulation, so if you're going to use it, you'd better do it soon! :-)

If you find that there is >2 cm of fluid in the uterus per ultrasound, then lavage may be indicated along with the oxytocin, but I prefer not to lavage after about 24 hours after ovulation if it can be avoided. If you do end up lavaging, use Lactated Ringer's Solution, not saline.
 

Sideshot Ranch
Nursing Foal
Username: Sideshotranch

Post Number: 17
Registered: 03-2009
Posted on Monday, May 11, 2009 - 10:10 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Kim, My vet checked her today and could guess approximately when she ovulated based on what he saw. I guess the CL had formed or was starting to form. I was not there when he checked her though.

I did call my vet later though, and he thinks this mare has issues. She still has a long winter coat, and her uterus is not in good shape. She still has fluid that he said is caused by edema. He did not recommend any more Oxytocin since it is so late in the game - but he is not optimistic about her getting pregnant at all. In fact, he is recommending that she be tested for Cushings Disease. It just sucks because our timing was so right with her this time, but it looks like it is a bust!!! Oh well, that is life!



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