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1材料与方法1.1试验条件试验在浙江省乐清市南塘镇对虾育苗室中进行,试验水体600m3,其中育苗水体400m3,共10个相同的培育池;饵料培育水体200m3,共20个培育池。供水系统采用二级沉淀后经高位水池砂滤供水。使用2台罗茨鼓风机轮换连续充气,散气石均匀地摆放于池底,经常进行调整,保持充气均匀。室内光照控制在800-1000lx。
1 Materials and methods 1.1 Test conditions The experiment was carried out in shrimp nursery room of Nantang Town, Yueqing City, Zhejiang Province. The test water body was 600m3, in which the nursery water body was 400m3, a total of 10 identical nursery ponds. Water supply system uses two sedimentation tank sand filtration water. Use two Roots blower rotation continuous aeration, aerated stone evenly placed in the bottom of the pool, often adjusted to maintain uniform inflation. Indoor lighting control in 800-1000lx.