Effectiveness of 2-phenoxyethanol Anesthesia of Fish Cultured in Japan

  • WATANABE Ken-ichi
    National Research Institute of Aquaculture (NRIA) , Fisheries Research Agency (FRA)
  • TAKAHASHI Makoto
    National Research Institute of Fisheries and Environment of Inland Sea, FRA
  • NAKAGAWA Masahiro
    Gotou Station, National Center for Stock Enhancement, FRA
  • OHTA Kengo
    National Research Institute of Fisheries and Environment of Inland Sea, FRA
  • SATOH Jun
    NRIA, FRA
  • HOTTA Takurou
    National Research Institute of Aquaculture (NRIA) , Fisheries Research Agency (FRA)

Bibliographic Information

Other Title
  • 主要海産養殖魚に対する2‐フェノキシエタノールの麻酔効果
  • 主要海産養殖魚に対する2-フェノキシエタノールの麻酔効果
  • シュヨウ カイサン ヨウショクギョ ニ タイスル 2 フェノキシエタノール ノ マスイ コウカ

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Description

We compared effective concentrations of 2-phenoxyethanol and FA100 anesthetics in nine fish species: yellowtail, Seriola quinqueradiata, red sea bream, Pagrus major, skipjack, Trachurus japonicus, purplish amberjack, Seriola dumerili, striped jack, Pseudocaranx dentex, Japanese flounder, Paralichthys olivaceus, tiger puffer, Takifugu rubripes, Japanese stingfish, Sebastes inermis, and black rockfish, Sebastes schlegeli. The effective concentration was determined from time to anesthesia, recovery time, and survival after anesthesia. Effective concentrations of 2-phenoxyethanol ranged from 200 to 1000 μl/l, while FA100 had a narrower range, 100 to 500μ l/l. The recovery time and survival of fish anesthetized with 2-phenoxyethanol were superior to those of fish anesthetized with FA100. In addition, FA100 caused serious foaming of seawater, but 2-phenoxyethanol did not. These results suggest that 2-phenoxyethanol is an excellent candidate anesthetic for fish cultured in Japan.

Journal

  • Aquaculture Science

    Aquaculture Science 54 (3), 255-263, 2006

    Japanese Society for Aquaculture Science

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