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秋天,鱼类极易患痿瘪病、小爪虫、烂鳃病、水霉病等急性疾病,俗称“秋瘟”。防治鱼类“秋瘟”应重点抓好以下几点:1、改良生态环境。注意生态防治,适当投喂全价精料、嫩草等,提早开食,尽量满足鱼儿生长的营养需要,以提高其免疫力。2、及时加注新水。加注新水能带进氧气和多种营养元素,如铁、锰、硅等;还可冲淡池水中的有机物质和生物代谢有毒物,更利于防病。3、尽力控制水位。需用池水浇庄稼时,应尽力保证塘
Autumn, fishes vulnerable to agrarian disease, small claw, rotten gill disease, watery mildew and other acute diseases, commonly known as “autumn blast.” Prevention and treatment of fish “autumn blast” should focus on the following points: 1, to improve the ecological environment. Pay attention to ecological control, proper feeding full-price concentrate, tender grass, etc., early to eat, try to meet the nutritional needs of fish growth in order to enhance their immunity. 2, timely filling new water. Filling new water can bring oxygen and a variety of nutrients, such as iron, manganese, silicon, etc .; also dilute the pool of organic matter and biological metabolism of toxic substances, more conducive to disease prevention. 3, try to control the water level. Need to use water ponds crops, should try to ensure the pond