Dr. Stephen Duren

Ph.D., PAS
Performance Horse Nutrition, LLC

Dr. Stephen Duren, a native of Soda Springs, Idaho, received his bachelor's degree in animal sciences from the University of Idaho. Duren earned a Master of Science and a Ph.D. in equine nutrition and exercise physiology from the University of Kentucky. His research focus centered around feeding fat to racehorses and changes in blood flow distribution in fed and fasted horses during exercise. Duren is recognized by the American Registry of Professional Animal Scientists as a member in good standing. He is also a member of the Equine Science Society, where he served as a board of directors member.

Duren’s professional experience includes working as a technical services equine nutritionist for McCauley's, an equine-only feed manufacturer in Central Kentucky. In that role, he was a consulting nutritionist for large breeding farms such as Adena Springs Stallions, Darby Dan Farm, Three Chimneys Farm, Gainesway Farm and Vinery Stud. Duren then worked as a consulting equine nutritionist for Kentucky Equine Research. This opportunity gave him his first international experience working with feed manufacturers in Europe, Australia, New Zealand, Jamaica and Canada. He was also responsible for large domestic clients, including Hallway Feeds and Nutrena Pennfield Feeds.

Duren has now formed Performance Horse Nutrition, LLC®, where he consults with feed manufacturers and horse owners throughout the world. Some of the feed manufacturers that he consults with include LMF Feeds, Poulin Grain and Standlee Premium Western Forage in the United States, Robank Feeds in Australia and EBM in Japan. Duren also consults directly with large horse farms, including Shadai Farm in Japan, Elm Tree Farm in Kentucky, Tamarack Ranch in Oregon and Lindsay Park Racing, Bjorn Baker Racing and Yarraman Park Stud in Australia.

Duren is the author of the book “The 101 Most Frequently Asked Horse Nutrition Questions” and a co-author of the book “The Concise Guide to Nutrition in the Horse.”



Professionals from around the world and across every industry attended last year’s conference and returned home inspired, re-energized and ready to change the world. Here’s what they had to say: 

“Thank you for organizing a great and thought-provoking conference. The standard for next year is set very high!” @balrathboyne

“Thanks Alltech for a great REBELation meeting this week! Speakers shared inspirational thoughts on innovation and purpose in food and agriculture!” @AgProudRyan

“Great event. Thanks to Alltech for its continued support for young agricultural journalists.” @BenPikeComms

“On behalf of the Dahmes and Genarex teams, please accept our sincere thanks for the invitation to Alltech’s 2015 conference. We found the event to be informative, well-organized, and very entertaining. We believe that it is very healthy for an organization to have its leaders attend events of this nature. The networking opportunities are invaluable. ” Dan DeGeest, General Manager, Dahmes Stainless, Inc., USA

“It’s easy to see why Alltech is succeeding and will feed the world someday. I used to think I knew the definition of networking, motivation, passion for work and passion for life. Now when I think of networking, I think of Alltech! When I think about motivation, it equals Alltech! When I think about passion for work, it’s Alltech! Passion for life and all life has to offer, I think of Dr. Pearse Lyons and Alltech!” Jeff Clines, Stand Energy Corporation, USA

“Alltech's 2015 conference in Kentucky was amazing and a real eye-opener. We loved it.” Rebecca Jamieson, Murdoch Southern Farms Limited, Invercargill, New Zealand

“Alltech's conference, and more importantly the attendees, empowered us to cement in stone our vision. Being two small islands down in the South Pacific does not mean we don't punch well above our weight and the inspirational environment of Kentucky confirmed this.” Ben Smith, Circular Solutions, Northland, New Zealand

"If we didn't push the boundaries as an industry, we would be producing about half as much food as we do today." Ron Arnason, Verus Animal Health Alliance, Canada

“My experience at Alltech's conference was very interesting. It is a very innovative event.” Zacharakis Kostas, VET FARM CARE, Thessaloniki ,Greece 

"I've had the opportunity to attend five times and can say it is a very interesting experience. Every time I’ve attended there is a chance to network, gain knowledge and share experiences on countless subjects with scientists of today and the future. It is worth attending and I would not miss it for the world.” Simon Rodriguez, Nutritionist, Agrosantana, Venezuela

"Alltech's conference provides a great opportunity to meet many people who visit from all over the world, with knowledge on the same nutritional subjects, to share ideas and experiences. Once we return to work, we are renewed with a fresh global vision about the business, open to new ideas and opportunities." Enrique Soto, President, Agrosantana, Venezuela

"Alltech's annual event is a compilation of the best ideas for agribusiness and the world. It is an eye-opening networking experience. We do not want to miss the next!" Paola Cruz, General Manager, Nutrieco, Columbia

"The event is very high-level in all aspects—educational, motivating, and, above all, inspiring."

Indira Cedeño, Administrative Manager, Ecuador