论文部分内容阅读
初春的气温变化比较大，气温显著回升，水中的病原微生物（寄生虫、细菌、病毒和真菌）迅速复苏并繁殖；又由于越冬期间多拉网及鱼体冻伤，造成体表感染而致病。 3月份鱼类容易得烂鳃病、竖鳞病、痘疮病、水霉病、小瓜虫病等。因此，应采取有效的防治措施，以保证养殖生产的顺?
Early spring temperature changes relatively large, the temperature picked up significantly, the pathogenic microorganisms in the water (parasites, bacteria, viruses and fungi) rapid recovery and reproduction; and overwintering due to more than pull the net and fish frostbite, causing body surface infection and disease. March is easy to get gill rotten fish, vertical scale disease, acne disease, water mold disease, small melon worm disease. Therefore, we should take effective control measures to ensure the smooth production of aquaculture?