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Difficult/hidden season

Equine-Reproduction.com Bulletin Board » Breeding Problem Mares - Volume 2 » Difficult/hidden season « Previous Next »


Author Message
 

mynutmeg
Weanling
Username: Mynutmeg

Post Number: 41
Registered: 01-2011
Posted on Tuesday, May 15, 2012 - 05:06 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

My mare has been nice and awkward and refuses to show her season at all and completely uninterested in the stallion.
She was scanned yesterday and had a huge follicle (don't know more details as she's away at stud) so she was inseminated. The email I got from the stud says that they don't think she'll take as her cervix was pretty tight so they will keep trying her and she's being rescanned tomorrow to see whats going on. Does this sound like a reasonable plan and can she be in season and still have a tight cervix?
She's a maiden, 7 year old.
 

Jos
Board Administrator
Username: Admin

Post Number: 3548
Registered: 10-1999
Posted on Tuesday, May 15, 2012 - 06:23 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Did they mention if uterine edema (oedema) was visible per ultrasound? My concern would be the possibility that she was bred on a mid-cycle follicle if there was not.
 

mynutmeg
Weanling
Username: Mynutmeg

Post Number: 42
Registered: 01-2011
Posted on Wednesday, May 16, 2012 - 02:25 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

No, they didn't say. She is about due to be coming into season tho, worked out from when she finished Regumate. Although she didn't really show in season, for the period after finishing the regumate when she should have come into season she tolerated the stallion near her and would talk to him but wasn't showing any season signs or being anywhere near ready to stand for him, but at the time she would have started coming out of season she started not having anything to do with the stallion so we're pretty sure she was in season then. Using that she's about due to come in now. As well as scanning her she's still being teased, we were originally going to use natural cover but I don't think Roo's interested in co-operating with us with that one and the stud offer AI with immediately collected semen so it's ended up being easier just to AI her.

The stud she's at and vet are both pretty experienced and the previous time she was scanned they did mention that although she'd had a medium follicle there wasn't any oedema so nothing was done then so I think they will have taken that into account.
 

Jos
Board Administrator
Username: Admin

Post Number: 3550
Registered: 10-1999
Posted on Wednesday, May 16, 2012 - 10:10 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Good.

Manual dilation of the cervix can be beneficial, along with (if the tight cervix persists) the use of estrogen IM and Prostaglandin E cream applied topically to the cervix.

Oxytocin treatment can still clear some fluid from these mares as well.
 

mynutmeg
Weanling
Username: Mynutmeg

Post Number: 43
Registered: 01-2011
Posted on Wednesday, May 16, 2012 - 01:55 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Thanks, shall let you know how she goes - she's supposed to be being scanned again tomorrow.
 

Jennifer Holan
Neonate
Username: Jenzcritters

Post Number: 2
Registered: 05-2012
Posted on Thursday, May 17, 2012 - 04:34 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

What are the recommended doses of estrogen and prostaglandin for tight cervix? Do you place cytotec pills intravaginally or what for the prostaglandin?
Thanks!
 

Jos
Board Administrator
Username: Admin

Post Number: 3552
Registered: 10-1999
Posted on Thursday, May 17, 2012 - 05:32 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Typically 2 to 5 mg of an estrogen are given early in estrus (although I have given more on occasion).

Note that it is Prostaglandin E, so use 200g (note micro-grams) Cytotec (the PGE1 analogue misoprostol). Dissolve the tablet in 1 ml of sterile saline (just enough to create a paste) and spread it on the external cervical os. Within a couple of hours, the cervix should be relaxed. Repeat this for 3 consecutive days during estrus, and if desired to clear fluids and detritus, accompany with a uterine lavage about an hour after treatment. Manually dilate the cervix after the lavage.
 

mynutmeg
Weanling
Username: Mynutmeg

Post Number: 44
Registered: 01-2011
Posted on Saturday, May 19, 2012 - 06:34 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Just been out to see Roo, the folicle was 5cm apparently and this week she's come fully into season finally. She's been inseminated a couple more times and will be done again on Monday if she's still showing season.
We're looking at bringing her home once she's out of season and doing her scans at home - the stud's fields are clay and it's been very very wet here and our fields are much better, also it's much cheaper if she's at home for a couple of weeks, would the change of grass have much impact? She'd be going from a decent amount of grass with supplementary haylage to not much grass and no haylage (she's a cob and most of the other horses turned out at the stud are tb's). I can probably manage to arrange a different field at our yard if it's going to cause problems.



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