I have been giving my gelding a loose salt product containing hi mag, it claims to be for the IR horse. I use Horse Guard. I don’t know how much magnesium is the correct percentage to give and if I need the loose salt with the hi mag or is Horse Guard enough? Don’t want to double dose. At your convenience I would love to hear your advice.

Answer by Ph.D. Equine Nutritionist, Kelsey Johnson Nonella:

Thank you for the question. The addition of the loose salt with magnesium is perfectly safe, and good for your horse that is IR. Horse Guard contains 1.2 g of magnesium. Your horse requires 10 g per day. He is receiving most of his magnesium from the hay and concentrates you are feeding him. I don’t know how much your salt contains, but products designed for calming contain 5 g of magnesium and pair great with Horse Guard.

About Dr. Kelsey J. Nonella Ph.D., P.A.S.

Kelsey J. Nonella, Ph.D. is an equine nutritionist who was riding horses before she could walk. Her love for horses drives her to help educate people on what their horses’ needs in order to have happy, healthy horses. Kelsey went to Cal Poly receiving a Bachelor’s of Science in Animal Science and then onto West Texas A&M, where she got her Masters and eventually her Doctorates in Equine Science. At A&M, Dr. Nonella did extensive research on Selenium within horses. Click here to view her research. Kelsey’s colleagues have mentioned her as one of the United States equine Selenium experts.
View all posts by Dr. Kelsey J. Nonella Ph.D., P.A.S.

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