On Thu, Mar 11, 2021 at 02:10 PM, Sandy wrote:

have to get some Vit E oil (do you all use this even if it's in the vit/min mix?).  The mares are around 325-350 lbs.

At 350 pounds, your mares weigh roughly 159 kg and need about 318 IU of Vitamin E daily (2 IU/kg). Rounding up to 400 IU is fine, too.

For all hay diets, we add Vitamin E in a form that is bioavailable. Vitamin E should be mixed into contact with oil, dissolved in oil, or micellized. If you're trying to economize, you might want to do price comparisons of different Vitamin E options instead of Vitamin E oil. Gel caps are the most convenient and widely available in retail stores. You'd feed one 400 IU gel cap/day/mare. It doesn't get easier than that.
Other options:
•Uckele Liquid E    highly palatable, you'd need 1/8 teaspoon/day for each mare.
•powdered Vitamin E from MyBestHorse.com that you mix in less than a teaspoon of oil at feed time.
•Emcelle Tocopherol Vitamin E Liquid,  a micellized Vitamin E, a bit less than 3/4 of a ml for each of your minis with no oil required.
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Cass, Sonoma Co., CA 2012
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