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(接上期)四、养殖过程管理(一)苗种放养1.选择体格健壮,发育整齐,体表干净,活力强,对外界刺激反应灵敏的苗种进行放养。2.苗种下塘前要对苗种进行严格的消毒,以防将病原苗带入养殖池塘。消毒的药物主要有高锰酸钾、漂白粉等,一般通过数分钟的水中浸泡进行消毒。3.不同种类的混养,搭配要合理。混养不仅具有提高单位养殖水体效益和促进生态平衡的功能,而且具有保持养殖水体中正常菌群调节微生态平衡、预防传染病爆发流行的作用。
(Continued) Fourth, the breeding process management (A) seed stocking 1. Choose robust physique, neat, clean surface, strong vitality, sensitive to the outside world to stimulate the stocking of stocking. 2. Seed under the pond before the strict disinfection of seedlings, to prevent the pathogen into the breeding ponds. Disinfection of drugs mainly potassium permanganate, bleach, etc., usually through a few minutes of water soaking disinfection. 3. Different types of polyculture, with a reasonable. Polyculture not only has the function of raising the water efficiency of unit farming water and promoting the ecological balance, but also has the function of keeping the normal flora of breeding water regulating microecological balance and preventing the outbreak of infectious diseases.