福馬林及皂素對草蝦、斑節蝦、熊蝦、紅尾蝦、砂蝦和淡水長腳大蝦等蝦苗藥浴之忍受度試驗

Abstract

The purpose of this study was to investigate the TLm values of postlarvae of Penaeus monodon, P. japonicus, P. semisulcalus, P. penicillatus, Metapenaeus ensis and Macrobrachium rosenbergii to Formalin and Saponin following administration by dipping for 24 hours. The results were calculated with the Van der Waerden method as follows: For Formalin, the TLm values of the six kinds of prawns in the above order were 168, 136, 184, 275, 633 and 423 ppm respectively. For Saponin, the TLm values of the six kinds of prawns in the above order were 135, 41, 146, 135, 162 and 168 ppm respectively.