Experiments show that the mortality rate was higher in the experimental group and the positive control group. In addition, in the experimental group, the pups continue to die during lactation.
Experiments showed that the mortality rate in the experimental group was higher than that of the control group and the positive control group. In addition, in the experimental group, the cubs continued to die while breastfeeding.
The results showed that the mortality of the experimental group was higher than that of the control group and the positive control group. In addition, in the experimental group, the young continued to die during lactation.<br>