QIAO, Y.; KYSELOV, O.; LIU, C. EFFECTS OF ASTRAGALUS EXTRACT AND GLYCYRRHIZA EXTRACT ON BROILER PERFORMANCE, APPARENT NUTRIENT METABOLISM RATE AND MEAT QUALITY. Bulletin of Sumy National Agrarian University. The series: Livestock, n. 3 (46), p. 28-36, 12 Oct. 2021.