塑料大棚无土流水养殖黄鳝,由于棚内温度适宜,可一年四季养殖;由于饲养池中保持微流水,水质不会恶化,因而黄鳝不易患病,养殖效益大大提高。现将养殖技术介绍如下: 一、建饲养池有两种饲养池可供选建:一种是开放式,适合在常年有温流水的地方建造。其优点是水流量稳定,适于较大规模养殖。饲养池用砖和水泥砌成,每个池的面积为10～20平方米,池宽1～2米,深40厘 Plastic shed soilless aquaculture eels, because the greenhouse temperature is suitable, can be breeding throughout the year; due to keeping microflooded breeding pond, water quality will not deteriorate, so eel is not easy to sick, breeding benefits greatly improved. Breeding techniques are introduced as follows: First, the construction of feeding ponds There are two feeding ponds for construction: one is open, suitable for perennial hot and humid water to build. The advantage is the steady flow of water, suitable for larger-scale farming. Rearing pond brick and cement, each pool area of ​​10 to 20 square meters, the pool width of 1 to 2 meters, 40 centimeters deep