N. Paul Johnston of Orem has been named chairman of the department of animal science at Brigham Young University.

He replaces Max V. Wallentine, who continues as director of the BYU Agriculture Station at Spanish Fork.Johnston has concentrated his studies on the nutrition and reproductive physiology of monogastric animals (those with one stomach). He also has cooperated with the Ezra Taft Benson Agriculture and Food Institute in teaching Third World families how to economically raise small animals for home consumption.

As a Fulbright grant recipient, he worked during the 1986-87 school year at the University of Chimborazo in Ecuador.

In 1985, the College of Biology and Agriculture awarded him the College Creative Achievement Award.

After receiving an undergraduate degree at BYU, Johnston completed an master's of business administration at the University of Utah. He earned a master's degree in reproductive physiology and a doctorate in nutrition at Oregon State University.