Digestibility of extensively hydrolysed poultry feather meal

Extensively hydrolysed poultry feather (EHPF) is used in diets of aquatic species to promote intake and growth and in dog and cat nutrition to enhance diet palatability. However, little is known regarding its digestibility in monogastric farm animal species, particularly in poultry. One animal by-product that is typically used in animal diets is Poultry By-Products Meal (PBPM), which is made up of unmarketable slaughterhouse trimmings of poultry meat and carcass that is usually devoid of feathe