Vitamin D in Equine Diets


With much recent emphasis given to Vitamin D deficiency in humans, this article caught my attention. Turns out our four-legged friends have as much need for adequate vitamin D levels as we humans do. Did you know that horses with less than two hours of turnout time per day could be at risk for low vitamin D levels? I also learned that Vitamin D deficiency is the cause of Rickets disease in young horses. I had heard of that, but never knew what caused it.

Selenium Function in Horses


Kentucky Equine Research Staff

Selenium, an essential nutrient as well as an environmental toxicant, is best known as a component of the selenium-dependent enzyme glutathione peroxidase. As part of the cellular defense system, selenium, like vitamin E, functions much as a biological antioxidant, and indeed there are a number of deficiency symptoms of selenium that may be partially corrected by vitamin E and vice versa.