坑塘稻萍鱼培育鱼种试验

Experiments on fry rearing in paddy-duckweed ponds

本次坑塘稻萍鱼试验，利用稻田放养的萍类及稻田自然滋生的饵料生物培育鱼种，为节地节能型培育鱼种模式。试验结果，共培育草鱼鱼种41040尾、本地鲤鱼种102540尾、建鲤鱼种36040尾；共养成食用鱼10071．6kg，合计产值达到132412．8元，投入、产出之比平均为1：21．14，经济效益显著。

A pilot project on fry rearing in paddy-duckweed ponds, by providing the duckweedreared and the naturalorganisms in the paddy fields as feed for the fish fry,was launched and have proven to be a new model in fry rearing for saving both land and energy as it totally produced 41040 heads of grass carp, 102 540 heads of Shaowu carp and 36 040 heads of Fujian carp in terms of fry rearing, in addition to 10 071. 6 kg of marketable carps, totalling RMB 132 412. 8. The economic benefits have been proven to be significant as the average ratio of input and output reached 1: 22- 77.