1·The phytase had no effect on the number of total aerobe, total anaerobe, Escherichia coli, Lactobacillus, and Bifidobacterium in ileum and cecum among all the groups (P>0.05).
各组间回肠和盲肠中总需氧菌、总厌氧菌、大肠杆菌、乳酸菌、双歧杆菌数量均没有显著性变化（P>0.05）。