In the case of animals, about one-third of the losses from 
insect infestation, 90 percent of the losses from.some poultry 
parasites, and all loss from brucellosis in livesteck could be 
prevented by the widespread application of known control 
measures. 
New research is continually needed to develop ways of producing 
larger quantities of food, feed, fiber, livestock, and forest — 
trees at lower costs per unit of production, of cutting dom 
waste and spoilage in products during handling, marketing, and 
distribution, end of making improved utilization of all agricul- 
tural preducts and byproducts. 
= 190; < 
yr_-U.S. GOVERNMENT PRINTING OFFICE : 1954 O — 305041 
