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Does My Horse Need More Vitamin D?

Updated March 21, 2025

In this video, Dr. Lydia Gray answers a question about whether or a not a horse being kept in the barn during the day and turned out at night needs more Vitamin D. Read her original Ask the Vet article on Vitamin D requirements for horses.

SmartPak Equine, LLC strongly encourages you to consult your veterinarian regarding specific questions about your horse's health. This information is not intended to diagnose or treat any disease, and is purely educational.