Dr. Joseph is developing his program to create value-added animal and aquatic feed products using extrusion technology, primarily from crop and meat by-products. He is also working toward a pilot-scale extrusion facility at NC State.

Research interests include

• by-products as ingredients in food and feed
• product development,
• finished product quality,
• the nutritional impact of new ingredients on animal/fish performance,
• the economics of using by-products vis-à-vis their traditional use and disposal, and
• industry outreach.