摘要:Support for this bulletin was provided, in part, by the Feedgrain and Livestock Project funded by the U.S. -Spain Joint Committee for Scientific and Technological Cooperation under terms of the 1982 Agreement on Friendship, Defense, and Cooperation Between the United States of America and the Kingdom of Spain. Jim Butcher, Whetton Reed, and Elisa Granados, International Research Division, Office of International Cooperation and Development, were instrumental in arranging financial and administrative support for this project. Reed Friend and Mark Newman, Western Europe Branch, International Economics Division, Economic Research Service, provided administrative support and technical advice.