KOTSYUMBAS, G.; KOSTYNJUK, A.; MYSIV, O.; FEDYK, Y. Histological, histochemical characteristics of duodenal intestine of hen-broilers for feed feeding with high content of probiotic supplements. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Veterinary Sciences, v. 19, n. 77, p. 71-75, 10 mar. 2017.