论文部分内容阅读
1988年在新安江水库设网箱6只,26.44平方米,投放规格0.973克/尾黑仔鳗11203尾,经163天饲养,收获313.21公斤,规格34.118克/尾,成活率81.94%,出成率8.7%,净产量11.43公斤/平方米,饵料系数2.15。1989年设箱12只,60平方米,投尾重2.018克黑仔鳗47456尾,收获1203.9公斤,成活率86%,出成率8%,规格28.47克/尾,净单产59.14公斤/平方米。饵料系数2.65。本文总结了试验方法与结果。
In 1988, 6 cages were installed at Xin’anjiang Reservoir, with a net coffer of 0.973 g / tail and 11,203 tails of Nepean eel. After 163 days of feeding, 313.21 kg were harvested and the standard was 34.118 g / tail with a survival rate of 81.94% Rate of 8.7%, net output of 11.43 kg / sq m, feed coefficient of 2.15 1989 set up 12 boxes, 60 square meters, tailing weight 2.018 grams of black eel 47456 tail, harvesting 1203.9 kilograms, the survival rate of 86%, the yield 8%, size 28.47 g / tail, net yield 59.14 kg / square meter. Feed coefficient 2.65. This article summarizes the test methods and results.