Feathers, Feather Meal and Other Poultry By-Products

摘要: The poultry industry recognized early in its development that to compete with the ruminant, feed costs would have be kept as low possible. So turned industrial and farm by-products were considered waste possible sources of cheap nutrients. These efforts resulted a regulatory system consists private (Association American Feed Control Officials (AAFCO), Manufacturers Association (AFMA)), state federal regulators, including Food Drug Administration (FDA) insure cleanliness wholesomeness products are developed. defined standards by AAFCO, scientific information on these is based reviews National Research Council, branch Academy Sciences. Such led publication nutritive quality latest edition Nutrient Requirements Poultry (NAS-NRC, 1984), now undergoing an updating. covered this chapter, which ordinarily waste, if used for animal feeding purposes, go through thorough testing evaluation before being commercially. Thus, recycling upgraded benefit public, industry, environment. Recent societal pressures restrictions involving disposal registered land fills, lands, general dumping could harm soil water, demand urgent re-evaluation what recycling. This chapter indicates how older newer techniques wastes not only reduce contamination problems but also all concerned reduced nutritional benefits.