摘要
本试验在四川山间湿地利用农田0.62公顷养殖中华绒螯蟹,放养苗种为1272只(135只/667m2),个体均重7g/只左右,经160d饲养,捕获绒螯蟹875只,个体均重136.7g/只,回捕率为68.8%,饵料系数为2.45,同时水稻产量3529.7kg(375.5kg/667m2),其总收获利润为416元/667m2。
Chinese Mitten Crabs(7g /ind)had been cultured in0.62hm 2 rice-field in the gully of northern Sichuan for160days in2002.About 1272young Chinese mitten crabs were put into the rice-field and875crabs were caught in september with individual average weight of136.7g,the survial rate of68.8%,the food of convertion2.45.The rice output is3529.7kg(375.5kg /667m 2 ).The total profit is416yuan/667m 2 .
出处
《四川畜牧兽医》
2003年第5期21-21,23,共2页
Sichuan Animal & Veterinary Sciences
关键词
川北地区
稻田养殖
中华绒螯蟹
试验
northern Sichuan
wetland
paddyfield cultivation
Chinese mitten crab
