池塘主养草鱼种高产试验

High Yields in Grass Crap Juvenile Culture in Ponds

利用0.33hm2池塘施行综合养殖技术,强化饲养管理工作。并根据当年草鱼种不同的发育时期,投喂自行研制的不同营养成分和粒度的3种颗粒饲料。经过140d的培育,各种鱼种总产量为6474kg,其中草鱼种产量为4860kg,平均规格100g/尾,吃食鱼饵料系数为1.6。总利润为24510元,利润73530元/hm2。

In a 0.33 hm^2 pond, grass crap (Ctenopharyngodon idellus) juveniles were fed pelleted feeds containing different nutrition and sizes (diameter) for 140 days. The overall yield of 4860 kg was obtained for grass carp with body weight of 100 g, with overall yield of 6474 kg for all fish species. There were a feed conversion ratio of 1.5 and overall profit of 73 530 yuan per hectare.