Location: Shandong Xiantan farm
Dosage: AMPs 300 g/ ton water for 7 days with 3 consecutive periods
Note：Blood collection at July 12, 2019
Death rate and weight uniformity of 6-week-old hens
Result: AMPs had better survival rate than that of the control group, while the uniformity of body was not obvious. The blood test, the results showed that AMPs had higher ND titer than that of the control group, however, it was not affected on H5-4, H5-6 and H9. AMPs significantly improves the survival rate and blood test in 6-week-old hens.