Clair Thunes, PhD

Clair Thunes, PhD, is an equine nutritionist who owns Clarity Equine Nutrition, based in Gilbert, Arizona. She works as a consultant with owners/trainers and veterinarians across the United States and globally to take the guesswork out of feeding horses and provides services to select companies. As a nutritionist she works with all equids, from WEG competitors to Miniature donkeys and everything in between. Born in England, she earned her undergraduate degree at Edinburgh University, in Scotland, and her master’s and doctorate in nutrition at the University of California, Davis. Growing up, she competed in a wide array of disciplines and was an active member of the U.K. Pony Club. Today, she serves as the district commissioner for the Salt River Pony Club.

Articles by: Clair Thunes, PhD

older horse eating hay

Feeding Equine Elders

A nutritionist answers questions about the nutritional needs of older equids, covering topics such as senior feeds, metabolic disease, and helping horses gain weight.

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Poll Recap: Readers Share Their Top Nutrition Sources

Grain-Free Feeds for Horses

An equine nutritionist breaks down what’s in a grain-free feed and how you might increase calories for a performance horse consuming a grain-free diet.

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