十、草鱼的多发病草鱼的多发病,尤其是赤皮、烂鳃、肠炎三种暴发性疾病等,多因喂草技术不当引起。1.草鱼经长期越冬后消耗大、体质弱、抗病力差,开春时应及时投喂些精料,加人工种植的饲草,迅速恢复健康,增加抗病力。否则只喂草料,体质恢复慢,在初春水温变化不稳定的情况下,极易 Ten, multiple occurrences of grass carp Grass carp frequently-occurring disease, especially red skin, rotten gill, enteritis three outbreaks of disease, mostly due to improper feeding of grass caused. 1. Grass carp after long-term overwintering expensive, weak constitution, disease resistance is poor, spring time should be fed some fine materials, plus artificial cultivation of forage, rapid recovery of health and increase disease resistance. Otherwise, only feed grass, physical recovery slow, instability in the early spring water temperature changes, extremely easy