an increasing trendP < 0.05
However, after 30 d, the ADG of the 3 test groups showed an increasing trend, and far surpassed that of the control group ( P < 0.05).
However, after 30 d, the ADG of the 3 test groups showed an increasing trend, and far surpassed that of the control group ( P < 0.05).
At d 30, all test groups still showed a decreasing trend, and the CORT content of test group 2 was significantly lower than that of the control group ( P < 0.05) and non-significantly lower than those of the other 2 test groups ( P > 0.05).