The healthy grass carp seeds were infected by AM-2 and were examined to show partial symptoms of festered-bacterial gill-rot disease, red-skin disease and bacterial enteritis of grass carp.
用AM-2菌株对当年健康草鱼种进行人工感染攻毒，被攻毒草鱼种具有烂鳃病、赤皮病及肠炎病的部分症状；
2
The bacterial gill-rot disease is a common disease of grass carp, it makes serious harmfulness to the fish.
草鱼细菌性烂鳃病是一种危害严重的常见鱼病。
3
Bacterial secondary infections in the fish may generalize septicemias, and the fish show gill-rot, caudal rot, and ulcerative disease.