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春季气候回升,是鱼病的多发季节。养鱼户须引起高度重视,做到无病先防,有病早治。 一、进行“三消毒”预防鱼病。 1、鱼种消毒:放养的鱼苗、鱼种用PV碘500—600ppm进行浸泡消毒20—30分钟。彻底消除病毒及细菌。 2、食场消毒:一是要经常打捞食物的残渣剩饵,并每隔5天,用50克富氯或生石灰5公斤加水溶解后,均匀泼洒于食场水面(注意未溶于水的生石灰不能投入,以免草、鲤鱼当饵料食后致死)。 3、池水消毒:每过半月,每亩水亩
Spring climate pick-up is the season of multiple fish diseases. Fish farmers should pay close attention to disease prevention and cure as soon as possible. First, the “three disinfection” to prevent fish disease. 1, species disinfection: stocking fry, fish species with PV iodine 500-600ppm immersion disinfection 20-30 minutes. Complete elimination of viruses and bacteria. 2, food disinfection: First, we must always salvage the residue of food bait, and every 5 days, with 50 grams of chlorine or lime 5 kg dissolved in water, sprinkle evenly on the surface of the food market (note undissolved water lime Can not be put in order to avoid grass, carp when the food is lethal). 3, water disinfection: every half a month, mu of water acres