Reduced Diets in Affluent Lands Argued at Food Parley in Rome
US Agr Sec Butz, commenting on proposal at World Food Conf that people in rich nations cut down on meat consumption to free food for hungry nations, holds that grain component of meat cannot be transferred directly into food aid because animal forage is not usable that way; Overseas Development Council sr fellow Lester R Brown estimates that 5% reduction in Amer meat consumption would free 6-million tons of grain (M)