 The use of exogenous enzymes such as Pantiasp 3.5.1 and Cytillicin like Proteinase B. Pumulus can increase the efficiency of digestion in chickens, resulting in improved nutrient availability and higher growth rates. This can lead to greater economic returns for farmers. This article was authored by A.O. Coriagina, D.S. Bulmakova, A.D. Suleymanova, and others.