Nutrition Updates

Al Kertz photo 2010

Dr. Alois F. (Al) Kertz, PhD

Dr. Al Kertz is a world-renowned authority on dairy nutrition, founder of ANDHIL LLC, St. Louis, MO, and past president of the American Dairy Science Association.

In addition, he serves as a contributing author to both Hoard’s Dairyman and Feedstuffs.

As a consultant to ORIGO, Dr. Kertz will periodically contribute articles on dairy nutrition to our website. In addition, he will answer questions pertaining to the role fats play in the health and productivity of dairy cows by emailing him at