论文部分内容阅读
1990年6月5日,我站从广东引进胡子鲶夏花(寸尾)1万尾,由安宏乡鸭踏湖渔场支书李学文试养,夏花先入家孵产卵池肥水培育10天,由于长途运输影响,成活率很低,转塘时仅成活2270尾,分三处放养:第一处,原产卵池面积0.04亩,放养270尾,9月20日干池起水192,尾均重0.35kg,共重67kg,折合亩产1675kg;第二处,育种池3亩,套养1500尾,10月15日干塘起水780尾,尾重0.3~1.5kg,共重385kg,折合亩产128.5kg;第三处,成鱼塘1.5亩,套养500尾,10月5日干塘起水475尾,尾重0.4~1kg,共重225kg,折合亩产200kg。三处共获产量677kg,平均亩产193.4kg,获产值4062元,亩平1160元,除去成本1100元,获纯利2962
June 5, 1990, I station from Guangdong to introduce bearded catfish summer (inch tail) 10000, by the Anhong Township Duck Lake Fisheries Branch Li Xuewen trial culture, summer flower hatch spawning pool fertilized water for 10 days, due to Long-distance transport, the survival rate is very low, when the transfer of only 2270 living tail, stocking at three: the first, the original oocyte area of 0.04 acres, stocking 270, September 20 dry pool water 192, the tail were Weight 0.35kg, a total weight of 67kg, equivalent to 1675kg per mu; second, breeding pool 3 acres, raising 1500, October 15 dry pond water 780, tail weight 0.3 ~ 1.5kg, total weight 385kg, equivalent to Mu yield of 128.5kg; the third place into 1.5 acres of fish ponds, raising 500, October 5 475 tail pond water, tail weight 0.4 ~ 1kg, total weight 225kg, equivalent to 200kg per mu. Three were a total yield of 677kg, the average yield of 193.4kg, the output value of 4062 yuan, mu flat 1160 yuan, remove the cost of 1100 yuan, net profit 2962