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2月份,“立春”过后,气温会有所回升,但要注意因冷空气入侵的“倒春寒”现象,天气突变,气温骤降极易引起水生动物发病,广大养殖户还应加强管理,做好疾病预防工作。另外2月份已进入鱼种、蟹苗放养期,稍有不慎都极可能会引发疾病,应注意操作,特别是鱼种放养前一定要做好消毒工作,鱼池要清塘消毒,适时投喂精饲料,以增强体质。另外,对尚未放养的池塘等要进行清淤、冰冻曝晒消毒。2月份主要注意预防淡水鱼的小瓜虫病、水霉病、斜管虫病等,海水鱼的刺激隐核虫病等。近期内水温较低,如不是清塘,一般不要捕大留小上市,以免鱼类受伤引发水霉病。
February, “Spring” after the temperature will rise, but should pay attention to cold air intrusion due to “late spring” phenomenon, the weather suddenly changes, the sudden drop in temperature can cause aquatic animals, the majority of farmers should also be strengthened Management, good disease prevention. Another February has entered the fish species, crabs stocking period, a little careless are likely to cause disease, should pay attention to the operation, especially before the stocking must be done disinfection of fish ponds to clear pond disinfection, timely feeding Refined feed to enhance physical fitness. In addition, not yet stocked ponds, etc. to be dredged, frozen exposure disinfection. In February the main attention to prevent freshwater mussel small fungus disease, water mold, tube angiogenesis, marine fish to stimulate cryptosporidiosis. In the near future, the water temperature is low, if it is not a clear pond, generally do not catch a big stay small listing, so as to avoid fish injury caused by water mold disease.