Trial for high-effiency pond poly culture of Penaeus japonicus
To improve the economic benefits of pond polyculture of the kuruma prawn Penaeus japoni-cus and the tiger puffer Takifugu rubripes,two polyculture modes were experimented as test groups including polyculture of the prawn and tiger puffer with the swimming crab Portunus trituberculatus,and that with the tongue fish Cynoglossus semilaevis,in compare with the poly culture of the prawn and tiger puffer as control group.The results showed that,the average yield of the tes groups reached 1 907.25 kg/hm2,and the comprehensive economic benefits reached 78 210 RMB/hm2,increased by 17.56%and 44.87%than the control group,respectively.