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Immunizing pregnant mares for West Nile Virus

Equine-Reproduction.com Bulletin Board » General Mare Questions - Volume 1 » Immunizing pregnant mares for West Nile Virus « Previous Next »


Author Message
 

anita howard
Nursing Foal
Username: Mofoxtrottr

Post Number: 16
Registered: 03-2006
Posted on Friday, April 14, 2006 - 06:05 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Just curious, did anyone give their mare a WNV shot during the last 30-90 days of gestation. I chose not to, any comments to WNV shots and pregnant mare ?
 

Jan Owen
Neonate
Username: 1frosty1

Post Number: 7
Registered: 04-2006
Posted on Friday, April 14, 2006 - 06:48 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

In 2003 my mare was expecting her first foal and my vet was conservative and chose not to until after she had foaled. Now she has been on a regular maintenance of WNV and again she is due for a booster and he is waiting till she foals. He did not feel that there had been enough research pro or con and takes the conservative route. She is at day 364 and driving me CRAZY!
 

Cindy Moore
Nursing Foal
Username: Chorse_1998

Post Number: 14
Registered: 05-2005
Posted on Friday, April 14, 2006 - 06:50 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)


ANITA - I chose not to give WNV shots this year either, as did several of my other friends. My repro vet says there is not supposed to be any reaction to the shot as far as stillborn or early foals, but he has had a few coincidences with several of clients mares that did just that after getting the WNV shot.
I hope I am not sorry in the long run........Cindy Moore
}
 

Jan Owen
Neonate
Username: 1frosty1

Post Number: 8
Registered: 04-2006
Posted on Friday, April 14, 2006 - 07:02 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Cindy, It is still early in the "pest" cycle year and I agree with you about not taking the chance with the WNV shot during pregnancy. I just plan on getting it done as soon (or if she ever) foals. My vet then waits till the baby is 4 months before he gave him the vaccine.
 

Jos
Board Administrator
Username: Jos

Post Number: 10580
Registered: 10-1999
Posted on Friday, April 14, 2006 - 07:21 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

There has been much discussion on this bulletin board in the past on this subject. Doing a search will yield much information which there is no need to repeat here.

In a nutshell, all the scientifically sound research has indicated absolutely no connection between use of the WNV vaccine in pregnant mares and pregnancy loss/fetal maldevelopment. There is a web site that purports a link, but there is no scientific foundation to their claim - no post-mortem results supporting it, and indeed if you press the issue you will find that typically there has been no post-mortem performed. I am also aware of persons from that forum becoming extremely defensive (read "unpleasant") when questioned by persons with knowledge such as veterinarians. It is not a site supporting a reputable claim.

I am surprised that a veterinarian would suggest that there was any connection when their peers have proven otherwise. They might want to review the AAEP proceedings from (I think it was) '04.

Not giving WNV vaccination in an area with confirmed WNV cases is exposing the mare to significant risk without any scientifically sound reason.
 

Sharon Malmberg
Yearling
Username: Ryu2832

Post Number: 74
Registered: 02-2006
Posted on Tuesday, April 18, 2006 - 08:51 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I gave Ruby WNV shots, she'd never had them before so it was two, at 6mo into gestation. The foaling was fine and the foal perfect (in her godmother's eyes)!
 

Kris Moos
Breeding Stock
Username: Kris

Post Number: 658
Registered: 01-2006
Posted on Wednesday, April 19, 2006 - 06:58 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I gsvr wnv to my mare at 45 days gestation and at 3 months gestation as well as 7 weeks prior to foaling. her foal is ok (went through some impaction probs but fine now)
we have know wnv here so i chose to give it!
 

Cathy
Breeding Stock
Username: Cathy

Post Number: 127
Registered: 04-2005
Posted on Wednesday, April 19, 2006 - 10:25 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

My brood mares have been getting WNV vaccine 30-45 days before foaling for 3 years. The first year they got the one at 9 months and the next a month later. My clinic recommends all brood mares get it before foaling so the foal has AB protection.
In the last 3 years we have had hundreds of mares vaccinated with it and only had one client that had a mare abort after receiving it. He swore it was the vaccine, but the necropsy proved otherwise.
 

Barb
Neonate
Username: Barb0604

Post Number: 4
Registered: 05-2005
Posted on Monday, April 24, 2006 - 10:42 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I gave my mare WNV in the fall (she was about 5 months along), and again 3 weeks before her due date. She foaled a lovely, huge, and healthy shire filly, her picture is at the link below.

http://www.camelotshires.com/images/AprilGuinevere1d04-12-2006.jpg



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