As a Research Physiologist, he focuses on improving livestock performance and well-being through elucidating the interactions associated with growth, stress, nutrition, and immune regulation. His research program has benefitted from his close relations and collaborations with scientists from industry and from numerous universities where he has served on 47 MS/PhD graduate committees and currently holds adjunct professor/graduate faculty appointments at eight universities. He has authored/co-authored 617 publications consisting of 168 scientific journal articles, 6 book chapters, 354 abstracts, and 89 technical articles.He has also received 113 invitations to present his research including 18 international presentations.