四環素及氯黴素對草蝦、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 TLm values of tetracycline and chloramphenicol for postlarvae of Penaeus monodon, P. japonicus, P. semisulcatus, P.penicillatus ensis, Metapenaeus ensis and Marcrobrachium rosenbergii were studied. The results were calculated with Van der Waerden method as follows: The TLm values of tetracycline for postlarvae of the prawn in the above order were 324 ppm, 123 ppm, 629 ppm, 682 ppm, 39 ppm and 594 ppm respectively. The TLm values of chloramphenicol for postlarvae of the prawn in the above order were 247 ppm, 334 ppm, 362 ppm, 404 ppm, 437 ppm and 2,717 ppm respectively.