挖塘养鱼是农家致富的好门路。但是,塘鱼若管理不善,鱼就容易得病。那么,就会造成减产,怎样做好鱼病防治呢?主要技术要把好五关:清塘关:投鱼苗前,必须进行鱼塘消毒,消灭病原及杀死病菌。可用生石灰125kg,茶麸40至50kg(每亩平均水深1m计),均匀泼洒全塘,消毒后约7天即可投放鱼苗 Pond pond fish farming is a good way to get rich. However, if pond fish are poorly managed, fish can get sick easily. So, it will result in cut, how to do a good job in the prevention and treatment of fish disease? The main technology should be a good five: Qingtang off: fish ponds before the fish ponds must be disinfected to eliminate pathogens and kill bacteria. Can be quicklime 125kg, tea bran 40 to 50kg (average depth of 1m per acre meter), evenly splashed the whole pond, about 7 days after disinfection can be put fry