PROCESSING OF MEAT, BONES AND OFFAL

RENDERING is called the process that converts meat or fish waste into substances suitable for animal feed.
From an economic point of view, it means turning waste hazardous to health and expensive to manage into a valuable component for compound feed and other industries. RENDERING can improve the operating account of slaughterhouses because it generates income and saves the cost of waste disposal. It can also be the main activity of companies that collect animal waste from others such as small slaughterhouses, butchers, or canneries.
The following by-products are processed using this technique:

•  This project is concerned with the production of protein powder from poultry slaughter waste, and these wastes are the intestine, head, legs, feathers, blood, and dead bodies, and they are treated with the latest means in order to complete sterilization processes at a pressure of up to 3 bar and temperatures up to 150o Celsius … which does not allow the presence of any organisms Live or remaining microbes … Then the Hydrolyses processes that work to break down complex protein compounds that are not digestible (keratin) and convert them into a simpler protein that can be digested … then the processes of cooking, drying and squeezing are performed to extract the excess proportions of fat and moisture.
  “The same unit can be used with the same components for fish waste, sheep and cattle waste, and the dead from them.”