1. University Distinguished Professor, Department of Agricultural Economics, Waters Hall, Kansas State University Manhattan, KS 66506 USA
2. Graduate Research Assistant, Department of Agricultural Economics, Waters Hall, Kansas State University Manhattan, KS 66506 USA
3. Clinical Assistant Professor, Department of Production Medicine, Director, Beef Cattle Institute, Trotter Hall, Kansas State University Manhattan, KS 66506 USA
4. Professor, Department of Production Medicine, Director, Beef Cattle Institute, Trotter Hall, Kansas State University Manhattan, KS 66506 USA