Delacon USA Announces James Caldwell, Ph.D., as Regional Technical Manager for Ruminants

To expand the application of phytogenic feed additives, Delacon has added ruminant expert and distinguished nutrition researcher James Caldwell, Ph.D., to the Delacon USA sales and technical team. Phytogenic feed additives, defined as plant-based ingredients derived from herbs, spices, other plants and their extracts, are a performance-boosting tool that support sustainable and profitable livestock production.

“James brings new and innovative thinking to phytogenic solutions in the U.S. market. His research aims to develop effective feeding strategies with phytogenics for all ruminant species,” states Kevin Adams, Delacon’s sales group leader for North America.

Caldwell earned his master’s degree and doctorate in ruminant nutrition from the University of Arkansas. He then served as an assistant professor of animal science at Lincoln University. His research primarily focused on ruminant nutrition and grazing systems of small and large ruminant animals. As the principal or co-principal investigator of research projects funded by USDA, NiFA and NRCS, he has numerous published research articles.

Most recently, Caldwell led research and development for Purina’s companion animal group. He has been a review author for The Journal of Animal Science, The Professional Animal Scientist, and Sheep and Goat Research Journal.

As regional technical manager, Caldwell will support field trials and research, lead ruminant sales and training programs, and support product development.

“I’m thrilled to join Delacon in putting phytogenic feed additives to work in diets for dairy, beef, sheep, and goats,” says Caldwell. “We need to create innovative tools and feed additives for animal agriculture. I see phytogenics as the sustainable solution that will empower farmers to increase productivity while meeting the requirements of the industry’s most important stakeholder: the consumer.”

Founded and grown as an Austrian family business, Delacon ( has been the pioneer and global leader in phytogenic feed additives for 30 years. The company researches, develops and manufactures plant-based feed additives composed of herbs, spices, other plants and their extracts such as essential oils for poultry, swine and ruminants, and coined the term “phytogenics.” Delacon products are exported to about 80 countries worldwide.

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