论文部分内容阅读
20 0 3年 4～ 5月份 ,黄骅沿海河蟹大眼幼体 ,价格降至 40 0～ 45 0元 /kg ,是去年同期价格的一半。二茬苗自 5月份开始 ,因受非典影响 ,客户稀少 ,市场更趋低迷。为节省育苗成本 ,同时为打破多年来大量依赖抗菌药进行育苗的模式 ,经与厂方商议 ,笔者在黄骅海润育苗厂利用 1 5
From April to May in 2003, the prices of the large-eyed larvae in the coastal crabs of Huanghua dropped to 40 0 ~ 45 0 yuan / kg, half the price of the same period of previous year. Second crop of seedlings since May, due to the impact of SARS, few customers, the market downturn. In order to save seedling cost, at the same time, in order to break the pattern of relying on antibacterial drugs relying heavily on over the years, after discussing with the factory, I use Hailu Hairun nursery plant 1 5