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Selenium for Horses - Mad Barn - Vet Talk
44 views · 09/04/241 likes

Selenium (Se) is an essential trace mineral in the equine diet.

It plays a critical role in preventing oxidative stress in the body by protecting cells from free radical damage. Selenium is also important for metabolic, immune, and reproductive health.

Your horse may be meeting their selenium requirement from pasture or hay. However, the selenium level in forages depends on the concentration of selenium in the soil.

Many regions of North America, such as the Pacific Northwest, Great Lakes region, and Eastern seaboard, have Se-deficient soils. This means horses will not meet their requirements without selenium supplementation. Conversely, regions like the American Midwest tend to have Se-adequate soils, so horses may not require additional supplementation.

Underconsumption of selenium can have serious health implications in horses. Deficient horses (particularly foals) can suffer from Nutritional Myodegeneration or “White Muscle Disease”. Conversely, horses that overconsume selenium are at risk for toxicity, especially when inorganic sources of selenium are fed. This is why ensuring that your horse is receiving appropriate selenium intake is so important!

Join Dr. Fran Rowe, one of Mad Barn’s Veterinary Nutritionists, to learn more about selenium in the equine diet. She’ll walk through selenium’s role in the body, dietary requirements and sources, as well as selenium supplementation!

Interested in learning more about Selenium in horses? We have several blog articles online:
👉 https://madbarn.com/selenium-and-vitamin-e-for-horses/
👉 https://madbarn.com/selenium-benefits-for-horses/
👉 https://madbarn.com/white-muscle-disease-in-horses/

Mad Barn makes forage testing simple and convenient! Selenium testing is an add-on, so be sure to select this option at check-out:
👉 https://madbarn.com/product/forage-analysis/

Want to submit your horse’s diet for evaluation? Follow this link to get connected with an equine nutritionist:
👉 https://madbarn.com/analyze-diet/

Have ideas for topics to cover or questions about your horse’s health? We would love to hear from you! Please send any questions or comments to vet@madbarn.com
Mad Barn Academy is dedicated to supporting horse owners, handlers and practitioners through research, training, and education.

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