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铁皮鱼卵孵化桶是小型轻便的鱼孵化工具。具有经济简便占地少,便于室内孵化,孵化率高,易于推广等优点。孵化桶的使用原理是水流通过桶底水管向上冲水,再从桶口通过滤水罩而溢出。受精卵随着水流上下翻动而孵化成仔鱼(放卵密度为每百公斤水放卵30万粒左右)。一九七六年底,哈素海扬水站加工这种孵化桶数十个。一九七七——一九七八年,呼、包二市各有关鱼苗鱼种生产单位试
Tin hatch egg hatching bucket is a small portable fish hatching tool. With a simple and economical economy, easy to hatch in the interior, high hatching rate, easy to promote and so on. Incubation barrel principle of use is the water flow through the barrel at the bottom of the hose flushing, and then through the mouth from the barrel overflow spill. Fertilized eggs flutter up and down with the flow of water and hatch into larvae (oviduct density per hundred kilograms of water to lay eggs about 300,000). In late 1976, dozens of such hatch drums were processed at Ha Su Hai Yang Water Station. From 1977 to 1978, the second trial of the production units of fish and fish species in Hu’nan and Baoji cities