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9 months pregnant ehv4

Sometimes the pregnancy doesn't go as expected and the foal is lost. Here you can share information and perhaps learn why it happened and/or how to prevent a reocurrence.

Moderator: Jos

9 months pregnant ehv4

Postby donzaz83 » Sat May 10, 2014 1:10 pm

Last week my mare went off her feed, spiked a temp of 40.3 Àll had a slight nasal discharge. Tested for ehv1 and 4. Testing has today shown she has contracted ehv4. I've no idea where she got it from as she never leaves the premises and she's alone. The last time she left the field was last summer to go to stud. I know if it had been ehv 1 then the prognosis for a healthy foal would be extremely low but I can't find anything about type 4. Is it possible she's a carrier and something just triggered the virus? What is the outlook for a healthy rest of pregnancy and a healthy foal?
donzaz83
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Re: 9 months pregnant ehv4

Postby Jos » Sat May 10, 2014 6:32 pm

As with most herpes viruses, a horse (and most other species including humans) once infected will remain infected and be a latent carrier for life. Various items such as stress can trigger a resurgence of the active condition.

EHV is also a fairly hardy virus outside the animal and can be transmitted via "fomites", such as your clothing, buckets, equipment, persons visiting from other equine locations (friends, vets, farriers, dentists etc.), so there really is no such thing as a "closed herd" when it comes to EHV.

EHV-1 sub 1 is the "biggie" for the abortion strain of Rhinopneumonitis, and EHV-4 rarely results in abortion, but it can happen, so do be aware of that.

Here is a good article about both EHV-1 and -4 which will likely answer a lot of your questions.
We're always happy to try and help, but don't forget to check the articles section
of the website too, which has a search engine to help you look for answers!
:)
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Jos
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Please note that opinions, product information, advice or suggestions posted on this bulletin board are not necessarily those of the management at Equine-Reproduction.com nor does the maintenance of the post position indicate an implicit or any endorsement of that information, opinion or product.

Further, although we have the greatest respect for the posters offering assistance here, you are advised to seek a consultation with your veterinarian prior to using information obtained from this board if it is of a veterinary nature.

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