Deer blindness virus?

       The Horse Forum > Keeping and Caring for Horses > Horse Health

Deer blindness virus?

This is a discussion on Deer blindness virus? within the Horse Health forums, part of the Keeping and Caring for Horses category
  • Desieses causing blindness in deer
  • Do deer transmit leptospirosis to cattle

Like Tree2Likes

LinkBack Thread Tools
    03-14-2013, 07:39 PM
Deer blindness virus?

I was over at a friend's barn today to play with the horse she boards. I was helping the BO while I was out (waiting for friend to get there) and she mentioned 3 of her horses are either blind or partially blind. One was completely blind, another had moon blindness and another I didn't see was going blind. When my friend finally arrived the BO offered her a vaccine to prevent blindness due to a deer disease.

She said that the deer who carry this disease (to which she forgot the name) can contaminate the water that the horses use. The horses become infected and go blind. She hasn't had any of her horses tested for this disease but is putting 2 and 2 together and she's getting everyone vaccinated with the shot.

This apparently happens in cattle too and though there isn't a vaccine for equines, people commonly use the cattle vaccine for their horses since its safe for them as well.

Anyone have any insight to what I just witnessed?
Sponsored Links
    03-14-2013, 07:57 PM
Green Broke
O.O I need info on this too, so subbing!
Posted via Mobile Device
    03-14-2013, 08:00 PM
My first horse did develop sight problems from what I think my vet said was Lyme disease, but I was super young and it has been about 11 years so do not quote me on it. I think he said it was like moon blindness. I am also pretty sure Lyme disease is transferred by deer ticks, but again do not quote me on it. Maybe she meant that?
    03-14-2013, 08:03 PM
She offered a vaccine to me for a low fee. I didn't take it since I didn't know what exactly it was for...and for the life of me, I can't remember what its called. Its for cattle though and I think it had the number 6 in the title.
    03-14-2013, 08:26 PM
Moon blindness is not necessarily caused by just one organism. It is the reaction of the immune system to the organism. The most common cause seems to be leptospirosis.

If you have references to the uses of leptospirosis vaccines to prevent this, I would like to see them. I would not use an off label vaccine without documented evidence that it is both safe and effective.

This article has some interesting information on the subject.

New Hope For Moon Blindness | The Chronicle of the Horse
Wallaby likes this.
    03-14-2013, 08:44 PM
I'm trying to figure out what she was referring to and if anyone had heard of this deer disease. She seemed very adamant that it existed which is why she was using a cattle vaccine in her horses to prevent it. Apparently the deer transmit the disease through a water source (to her understanding) and when contracted, the horse or cow goes blind. She also said the blindness starts out in a spiderweb form across the eyes?
    03-14-2013, 08:46 PM
I am assuming that she is referring to leptospirosis. There are cattle vaccines for it. Wildlife can carry leptospirosis. Rodents are notorious for carrying it. If it is something else, I am waiting to hear about it.
    03-14-2013, 08:50 PM
Thats why I'm a little confused. She had a horse who has moon blindness (we disussed it) but when she described this disease, she forgot it's name. I guess I could find the name of the vaccine to help. She told me it but I wasn't interested in the purchase so I quickly forgot what it was called.
    03-14-2013, 09:47 PM
Super Moderator
She was probably vaccinating for Lepto (Leptospirosis) Lepto can cause spontaneous abortion and blindness. I have seen it in mares that ran with cattle and goats. Deer, elk and bison can also carry it. Dogs can get it and I have heard that it can spread to people.

They do not make a specific vaccine labeled for horses (or at least they didn't when I ran horses and cattle together and it was very prevalent) so our Vet had us vaccinate our mares for it with cattle vaccine. If I remember right, there are several different strains of it and the vaccine for one strain does not protect against another.

Horses that have carried it for several years all go blind and will not carry a foal to term.-- or at least that is what I have seen.
Copperhead likes this.
    03-15-2013, 12:38 PM
Would it be safe for a horse who is blind (possible carrier) to be vaccinated for it? I know you aren't supposed to give the strangles vaccine to a horse who already has strangles. Is there a downside to vaccinating a horse for this is they already have the disease?

Quick Reply
Please help keep the Horse Forum enjoyable by reporting rude posts.

Register Now

In order to be able to post messages on the The Horse Forum forums, you must first register.

Already have a Horse Forum account?
Members are allowed only one account per person at the Horse Forum, so if you've made an account here in the past you'll need to continue using that account. Please do not create a new account or you may lose access to the Horse Forum. If you need help recovering your existing account, please Contact Us. We'll be glad to help!

New to the Horse Forum?
Please choose a username you will be satisfied with using for the duration of your membership at the Horse Forum. We do not change members' usernames upon request because that would make it difficult for everyone to keep track of who is who on the forum. For that reason, please do not incorporate your horse's name into your username so that you are not stuck with a username related to a horse you may no longer have some day, or use any other username you may no longer identify with or care for in the future.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Old Thread Warning
This thread is more than 90 days old. When a thread is this old, it is often better to start a new thread rather than post to it. However, If you feel you have something of value to add to this particular thread, you can do so by checking the box below before submitting your post.

Thread Tools

Similar Threads
Thread Thread Starter Forum Replies Last Post
Blindness In Blue Eye's Horse? Shadow Puppet Horse Health 8 01-06-2015 07:19 AM
Blindness in one eye Ladywantsahorse Horse Health 15 07-17-2014 06:50 AM
Blindness? NordicJuniper Horse Health 2 04-06-2010 12:01 AM
Moon blindness huntseat7 Horse Health 5 01-07-2009 01:56 AM
Night-blindness... melinda27858 Horse Health 2 04-20-2008 05:22 PM

All times are GMT -4. The time now is 11:54 AM.

Powered by vBulletin® Version 3.8.5
Copyright ©2000 - 2015, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO 3.6.0