随着池塘养殖生产的发展和产量提高,鱼病越来越成为制约生产进步的因素之一。为此,养鱼生产必须从养殖环境着手,提高健康养殖水平,从而提高生产效益。 (一)改善养殖环境 1.彻底清塘:生产了一年或一个养殖周期的池塘,残渣杂质、鱼粪排泄物等大量沉积,若不清除,必然成为某些 With the development of pond aquaculture production and the increase of production, fish diseases have increasingly become one of the factors restricting the progress of production. To this end, fish production must start from the farming environment, improve the level of healthy farming, thereby enhancing production efficiency. (A) to improve the farming environment 1. Thoroughly clear the pond: the production of a year or a breeding pond, debris, fish excrement and other large deposits, if not removed, will inevitably become some