Abstract

Slaughter house waste or byproducts are to be disposed of or utilized appropriately so as to prevent contamination of the environment and the formation of valuable products which may increase the income of the abattoir and livestock owners. Both Solid and liquid wastes generated from the slaughter houses and animal processing plants having high nutritive value, therefore the Biochemical oxygen demand (BOD) is very high and these have high polluting potential when directly let into to the main water courses and environment. There are different methods for the treatment and processing of these wastes which reduces their polluting potential and these may be converted into useful products. The slaughter house byproducts consisting of heads, feet, offal, bone, hair, blood and feathers may be processed in rendering plants producing meat meal, bone meal, carcass meal, tallow and degreased bone. Efficient utilization of animal by-products has direct impact on the economy and environmental pollution of the country. Non-utilization or under-utilization of by-products not only lead to loss of potential revenues but also lead to the added and increasing cost of disposal of these products along with major aesthetic and serious health problems.