Animal manure and litter are recognized as the major
sources of pollution in poultry feedlots. In the confined
areas, the poultry industry generates a large amount of
waste as a byproduct. It has historically been used as a
source of plant nutrients and as a soil amendment. Poultry
manure, if properly handed, is the most valuable of all
manures produced by livestock and poultry. However, in
areas of intense poultry production, over-fertilization of
pastureland with poultry manure occurs. The excessive
nutrients from animal waste/litter that are washed into
streams, lakes and rivers are considered as the non-point