University of Florida as an Assistant Professor, where he developed a teaching and research program on the environmental physiology of the dairy cow in the subtropics. He also continued his research on the endocrine regulation of lactation in cattle as well as swine. He was promoted to Associate Professor in 1981. In July 1985, Collier joined the Monsanto Company as a Science Fellow and initiated a discovery program in lactation and growth regulation. He was promoted to Dairy Research Director and Fellow in 1987 and until 1999 was Dairy Research Director and Senior Fellow. In that capacity, Collier was responsible for all preclinical and clinical research in North America required for the commercialization of bovine somatotropin as well as research on novel factors regulating growth, development, and lactation of domestic animals. Since 1987, Collier has been an Adjunct Professor of the Dairy Science Department at the University of Missouri. Since 1999, Collier has held a position with the University of Arizona. In 1990, Collier was appointed an Honorary Fellow of the Hannah Research Institute, Ayr, Scotland. In 1991, he received the ADSA Upjohn Physiology Award, and in 1992 he was selected as Alpha Omega Alpha visiting professor at the University of Indiana and Donald Barron Visiting Professor at the University of Florida. He has served on the Biotechnology Advisory Board for the University of Iowa and both the Nutritional Sciences Advisory Committee and the Animal Sciences Advisory Board for the University of Illinois. Presently, Collier chairs the College of Science Advisory Board for Eastern Illinois University. He is author or co-author of 136 journal articles, chapters, and reviews, 99 abstracts, 28 popular articles, and 6 U.S. Patents.

DANNY G. FOX is Professor of animal science at Cornell University. He received his B.S., M.S., and Ph.D. degrees from The Ohio State University, with his graduate training in ruminant nutrition. After earning his B.S. degree and before attending graduate school, Fox was a full-time crop and livestock farmer in Western Ohio. For the past 25 years, Fox’s research has been focused on the nutrient requirements of cattle varying in biological type, and the development of computer programs to predict nutrient requirements and performance of cattle with wide variations in cattle type, feed composition, feeding system, environmental and management conditions. While at Cornell since 1977, he has conducted research in cattle nutrition, and he currently teaches a course on “Livestock and the Environment.” Over the past 20 years, he and a team of scientists at Cornell have developed the Cornell Net Carbohydrate and Protein System for Evaluating Beef and Dairy Cattle Diets, which is widely distributed in the United States and internationally. Together with his colleagues, Fox has conducted pasture research for 15 years to evaluate pasture quality and matching cattle and forage management systems. In recent years, Fox has become involved in Cornell’s Sustainable Agriculture program, and heads multidisciplinary projects on “Integrating Knowledge to Improve Dairy Farm Sustainability” and “Developing Software for Whole Dairy Farm Nutrient Management.” His research and extension programs have resulted in over 150 invited presentations

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