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最近几次去虾场调查,发现群众养虾劲头很高,但对养虾的几个关键技术环节重视不够,影响了产量和经济效益。1.放苗作业粗放。许多虾场的苗种未达到0.7厘米以上的规格,苗体不整齐,有的虾体不壮,甚至有病。放苗时,池水温度未达到14℃以上。苗场与养虾池的水体盐度不一致时,没进行调节便匆忙放苗。放苗时池水深度没有控制在10—70厘米,有的池水过深,对提
Several recent shrimp farms survey found that the shrimp shit high momentum of the masses, but several key aspects of shrimp technology not enough attention, affecting the yield and economic benefits. 1. Fangmiao extensive operation. Many shrimp farms did not meet the specifications of more than 0.7 cm seedling body is not neat, and some shrimp body is not strong, or even sick. Fangmiao, the water temperature did not reach above 14 ℃. Miao farm and shrimp pond water salinity inconsistent, no adjustment will be a hurried Fangmiao. Fangmiao no control of the water depth of 10-70 cm pool, and some water too deep, to mention