真菌性和细菌性木聚糖酶对黄羽肉鸡小麦型日粮体内外营养物质代谢消化率的影响

• EFFECTS OF FUNGAL AND BACTERIAL XYLANASES ON METABOLIZABLE NUTRIENT CONTENTS OF THE cHINESE YELLOW-FEATHERED BROILER FED WHEAT-BASED DIETS IN VIVO AND IN VITRO