1. Dzhafarov, A., The use of organic acids in poultry, Kombikorma, 2010, no. 5, p. 67.
2. Kolesen', V.P., The use of feed acidifiers in feeding laying hens and broiler chickens, Sel’sk. Khoz.,Probl. Perspekt.: Sb. Nauchn. Tr., 2017, vol. 37, pp. 91–98.
3. Egorov, I.A., Vertiprakhov, V.G., Lenkova, T.N., Manukyan, V.A., Egorova, T.A., Grozina, A.A., and Baikovskaya, E.Yu., The use of a mixture of low molecular weight organic acids in feed for broiler chickens, Ptitsa Ptitseprod., 2017, no. 5, pp. 26–28.
4. Ravindran, V., Feed enzymes: The science, practice, and metabolic realities, J. Appl. Poultry Res., 2013, vol. 22, no. 3, pp. 628–636.
5. Fisinin, V.I., Egorov, I.A., Lenkova, T.N., et al., Rukovodstvo po optimizatsii retseptov kombikormov dlya sel’skokhozyaystvennoi ptitsy (Guidelines for Optimizing Compound Feed Recipes for Poultry), Sergiev Posad, 2014.