Rain "scald' - The Horse Forum
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post #1 of 6 Old 09-21-2011, 01:07 PM Thread Starter
Join Date: Apr 2011
Location: PA
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Rain "scald'

Hi...I am a new horse owner and my mare has a touch of 'rain scald'..In her former barn, she was turned out at night and in during the day for lessons, etc. Essentially, she was never in the sunlight. I have been bathing her 2x week with a ivory liquid/iodine bath, and then using MTG on her. So far so good, but how long do I keep the treatment up? Until all signs of it are gone? Poor girl really hates the smell of the MTG apparently...my mild-mannered mare really rolls her eyes when I bring the stuff out! Any advice would be welcome. Thanks. Oh...and yes, i do keep her in every minute of sun that I can!
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post #2 of 6 Old 09-21-2011, 07:36 PM
Join Date: Mar 2009
Location: Connecticut
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Yeah, until it's all gone...not a scab left to pick. My guy also has a small area of it on his hip. While MTG is great in the beginning stages, it can leave residue that might backfire at the end stages. If you can get some tea tree oil, (little bottle in most drug stores for about $10) it's great for rubbing in and softening up what's left. It doesn't leave any residue and promotes healing of the skin.

You just have to see your distance...you don't have to like it.
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post #3 of 6 Old 09-22-2011, 07:29 AM
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Location: Oklahoma
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Rain Rot or Rain Scald is almost always nutrition related. Feeding adequate levels of Vitamin A will prevent almost all cases of rain rot as well as many other conditions that occur mostly in horses with no access to green grass or in the winter and early spring when Vitamin A stores are depleted or intake is inadequate when horses are stabled. Other conditions related to a Vitamin A deficiency are:

1) Rough hair coat. Predisposition for getting skin conditions like rain rot and lice. These horses can look wormy even when they are not.

2) Goopy, runny, crusty eyes.

3) Mares failing to ovulate or conceive.

4) Mares failing to drop their afterbirth within 30 minutes of foaling.

I have recommended that several people initiate a program of supplementing vitamin A, especially during the late fall, winter and early spring months and all have reported having rain rot and lice disappear without any further medicating or treating.

There are several ways to supplement Vitamin A. If a horse is seriously deficient, I recommend using the injectable form of Vitamin A only just give it orally and not in shot form. Start with about 5 cc and then follow it up with 2 cc a week. You can get it at any feed or farm store that caters to stockmen. It is a non-prescription item. DO NOT INJECT IT!

This should be followed up with a good supplement that has high levels of Vitamin A. Farnam has a product called "Mare Plus". It will prevent rain rot and other conditions related to Vitamin A.

Vitamin A deficiency frequently is accompanied by a mineral deficiency -- mainly a Calcium deficiency. I feed a loose mineral supplement that contains high levels of Vitamin A plus Calcium, Magnesium and zinc. Since feeding it, I have not had ONE SINGLE CASE of Rain Rot or of lice. All but 4 or 5 of our 60 horses run out with no shelters other than trees, etc on large pastures. Most are not fed grain but only get free-choice winter pasture and/or free-choice round bales of mature grass hay. They get very little Beta Carotene (the precursor of Vitamin A) or Vitamin A from their diet.

When I get in a new horse with rain rot, I do not do anything other than put it on good feed and supplement Vitamin A. I will use oral Vitamin A for 3 or 4 weeks until just keeping out our mineral can take over.
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post #4 of 6 Old 09-22-2011, 01:31 PM
Join Date: Sep 2011
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How does rain rot occur? I've seen our horses be a little bit crusty after the rain, but that's because the land they live on is pretty much dirt. Grass doesn't survive long out here.

Normally, we tend to brush them after a hard rain, and so far, no rain rot. Is that good preventative care?
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post #5 of 6 Old 09-22-2011, 05:39 PM
Join Date: May 2011
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I live in the UK and my TB mare gets rain scald so what i do now if its warm (not sunny) but rainy and she doesnt need a rug on a put vaseline where she gets it works a treat as a preventative measure. But i make sure i rub it off before the sun comes out x She has no vitamin definciancy she lives out all year and just has sensitive skin because of her breeding x
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post #6 of 6 Old 09-22-2011, 09:48 PM
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Location: Connecticut
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My horse only gets in this time of year, when his thick winter coat is starting to come in and the rain soaked skin has no exposure to air since it's trapped in that thick coat. Rain rot dies when it's exposed to sunlight and air, but a little assistance with anti-microbial shampoos and the aforementioned tea trea oil is a big help in excellerating it's demise.

You just have to see your distance...you don't have to like it.
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