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Two mares absorbing between 14 and 28 days - help!

Equine-Reproduction.com Bulletin Board » Abortion and Pregnancy Loss » Two mares absorbing between 14 and 28 days - help! « Previous Next »


Author Message
 

Kristie Allen
Neonate
Username: Krallen

Post Number: 1
Registered: 06-2007
Posted on Tuesday, June 26, 2007 - 06:02 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I've had 2 mares (the only 2 I'm breeding this year) absorb between 14 and 28 days and am pulling my hair out.

Mare one is 22 and has had many healthy pregnancies, usually getting pregnant on the first try. She does have some cysts and whatnot indicative of her 12 pregnancies, but looks quite good reproductively for her age. She was bred with fresh cooled semen and got pregnant. She was checked at 14 days, 20 days, and again at 33 days. She lost it between the 20 day check and the 33 day check. She was on regumate from about day 3.

Mare two (6 year old maiden) was bred once with frozen, came up open, bred again and checked at 14 days and was pregnant. Had a good looking embryo and CL and there's no indication regumate would be required. Checked at 28 days today and is open.

I've had an unusually stressful breeding season as far as keeping everything quiet and minimal changes. During mare 1's embryonic death, a new boarder with a mare and foal moved in the paddock next door, and mare one also got a new paddock mate. Upon seeing the new neighbor foal, mare one started dripping milk and stared at the foal for about 4 days.

During mare two's 14 and 28 days, mare 2 kicked down a gate and got in with different horses for a few hours, and showed a very mild colic the next day.

Is it stress that's causing this? While both stressors were odd for around my normally quiet farm, neither was that bad. I am just having really bad luck? Are there any weeds typically found in grass hay (in Colorado) that could cause this? The mares have been drylotted since getting bred, but I've had a few weeds in my hay. Also, both mares have recent clean cytology's and cultures. I've never had any embryonic loss in a mare before. Any suggestions or help would be appreciated.
 

Jos
Board Administrator
Username: Admin

Post Number: 1394
Registered: 10-1999
Posted on Tuesday, June 26, 2007 - 10:16 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

The leading cause of EED in mares is endometritis which can be caused by a variety of things, but start by looking at the uterine condition (culture AND cytology), and then treat for breeding induced endometritis by using an oxytocin protocol.
 

Kristie Allen
Neonate
Username: Krallen

Post Number: 2
Registered: 06-2007
Posted on Wednesday, June 27, 2007 - 11:31 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Jos -
Both mares were given oxytocin and the older one was also given a uterine lavage. Both mares have recent clean cultures and cytologys, and neither showed cloudy fluid pre or post breeding on the ultrasound. Speculum exams also showed nothing abnormal.

Any other thoughts?
Thanks,
Kristie
 

Jos
Board Administrator
Username: Admin

Post Number: 1396
Registered: 10-1999
Posted on Wednesday, June 27, 2007 - 07:50 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Did they go through the entire oxytocin protocol as presented in the article I linked to above? i.e. 0.5 to 1 ml every 6 hours? And if yes, then for how long after ovulation. When was it started (how soon before or after breeding?)
 

Kristie Allen
Neonate
Username: Krallen

Post Number: 3
Registered: 06-2007
Posted on Thursday, July 12, 2007 - 08:21 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Sigh, the 22 year old just lost her second pregnancy at about 25 days. Again, she's been on regumate, and has a clean culture and cytology.

I use the equine repro lab at CSU for my breeding...yes, proper protocol for oxytocin was used. My vet there, Dr. Pat McCue thinks I'm just plain unlucky and having a bad year, but I don't know. This is my 3rd embryonic death this year in 2 mares. The younger maiden was bred again and will have her 14 day check next week.
 

Jan Owen
Breeding Stock
Username: 1frosty1

Post Number: 452
Registered: 04-2006
Posted on Friday, July 13, 2007 - 01:29 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Kristie,

How disappointing for you :-( I will keep my fingers crossed that the maiden will take and hold for you a least.
 

Mood Swings
Yearling
Username: Mood_swings

Post Number: 80
Registered: 12-2006
Posted on Friday, July 13, 2007 - 07:10 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Hi Kritie,
Sorry to hear of your misfortune :-(
Both of my mares aborted around the 40 day mark this year :-(
I have never personally dealt with early embryonic loss before. Luckily I managed to get one of the mares in foal again the other gets the year off.
Wishing you better luck with your maiden and for next year!
 

Jennifer Lynn Scott
Neonate
Username: Jennylynn

Post Number: 3
Registered: 07-2007
Posted on Monday, July 16, 2007 - 08:24 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Personally I would not be too stressed with your current record Kristie. Your tests have all come back clear and it sounds like you have done everything possible to maintain the pregnancy. At 22 our old girl has excuses and I have found maidens can lose pregnancies for no apparent reason. Keep trying, if the same bad luck hits you the next time round, then stress and start trying to find out why.
 

kimberly folkner
Neonate
Username: Kimberly

Post Number: 1
Registered: 06-2009
Posted on Wednesday, June 10, 2009 - 02:47 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Sorry to hear that. Do you think age can be a factor in the older mare? I am not a horse breeder I've only bred 1 mare that was a few yrs back and she was weird. she had heat cycles all threw her pregnacy. Now I just bred my 4yr filly and afraid she misscarried. I havent had her checked yet but I will def. this week. Only change i noticed she is winking and some discharge not squating. she is the only horse on my property. this is her 1st foal can anyone help.



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