... is widely used in many field, specially for feather or poultry slaughterhouse waste. Not only eco-friendly work, but also finally ... high protein meal. Working theory is as below:the wet poultry feather which from slaughterhouse is transported to the cooker with ... bones, offal, and intestines’ casings and others, the disabled dead poultry, animals, animal carcasses in transportation, all can be make into ...