论文部分内容阅读
流水集约化养鱼,产品集中,商品率高,生产周期短,不与农业争地、争水,是贫困山区农民脱贫致富的一条好途径。一、梯级流水养鱼开展情况梯级流水养鱼试验,是湖南省科委1986年下达的科研项目,由省水科所和慈利县畜牧水产局共同承担的。我们于1986年在郝家山种牛场海拔300多米高的荒坡上依山势建造了三口梯级鱼池,面积一亩,投放17cm以上的大鱼种250kg,年终起水鲜鱼1230kg。1987年农业
Intensive fish farming, concentrated products, high product rates, short production cycles, not compete with agriculture and fight water are a good way for poverty-stricken farmers to get out of poverty. First, the cascade water fish to carry out cascade water fish test, Hunan Provincial Science and Technology Commission issued in 1986 scientific research projects, by the Provincial Water Branch and Cili County Bureau of Animal Husbandry and Fisheries shared. In 1986, we built three cascade fish ponds on the slopes of over 300 meters above sea level at Hao Jiashan Cattle Farm, covering an area of one mu. There were 250kg of large species over 17cm and 1230kg of fresh fish at the end of the year. 1987 agriculture