革胡子鲶原产埃及,1981年引入我国广西,具有生长快、味道好、经济效益高的特点。养殖革胡子鲶是农民脱贫致富的好途径。但在北方养殖革胡子鲶,须从南方购买鱼苗。鱼苗经远距离运输,往往中途死亡,加上价格昂贵,限制了革胡子鲶在北方的发展。为了帮助农民致富,王瑞芳决心攻克北方革胡子鲶孵化关。 王瑞芳是河南浚县城关乡后咀头学校的一位民办教师。1991年春,学校开展勤工俭学,他主动挑 Grapefruit catfish origin Egypt, 1981, introduced to our country in Guangxi, with fast growth, good taste, high economic efficiency. Farmed catfish is a good way for farmers to get out of poverty. However, in the north to cultivate leather catfish, fry fish must be purchased from the south. Long-distance transport fry, often die halfway, coupled with expensive, limiting the development of leather catfish in the north. In order to help farmers get rich, Wang Ruifang determined to capture the northern leather catfish hatch off. Wang Ruifang is Henan Junxian Chengguan Township Tsui Tsui School, a private teacher. Spring 1991, the school to carry out work-study program, he took the initiative to pick