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Administration of tetrodotoxin protects artificially raised juvenile tiger puffer Takifugu rubripes from predators

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タイトル: Administration of tetrodotoxin protects artificially raised juvenile tiger puffer Takifugu rubripes from predators
著者: Sakakura, Yoshitaka / Takatani, Tomohiro / Nakayasu, Junichi / Yamazaki, Hideki / Sakiyama, Kazutaka
発行日: 2017年 3月
出版者: 日本水産学会 / The Japanese Society of Fisheries Science
引用: Fisheries Science, 83(2), pp.191-197; 2017
抄録: We examined the effects of tetrodotoxin (TTX) administration on artificially raised tiger puffer Takifugu rubripes juvenile survival after release into a mesocosm with predators to clarify the ecological significance of TTX. Pellets containing three different concentrations of TTX [0 as the control, 7 and 14 mouse units (MU)/g diet] were fed to non-toxic artificially raised T. rubripes juveniles for 10 days. TTX accumulation in the various tissues of fish was detected except for in the control diet group. TTX administration did not affect survival or growth of the fish. One hundred fish from each diet group were released together after TTX administration into a salt pond mesocosm (2650 m2) with predators (Lateolabrax sp.) for 5 days. Survival after release was significantly higher in both the fish fed with the 7 MU TTX/g diet (62%) and the 14 MU TTX/g diet (74%) than in the control fish (32%).
キーワード: Predation defence / Mesocosm / Stock enhancement / Toxin
URI: http://hdl.handle.net/10069/37770
ISSN: 09199268
DOI: 10.1007/s12562-016-1046-0
権利: © Japanese Society of Fisheries Science 2017 / The final publication is available at Springer via http://dx.doi.org/10.1007/s12562-016-1046-0
資料タイプ: Journal Article
原稿種類: author
出現コレクション:080 学術雑誌論文

引用URI : http://hdl.handle.net/10069/37770



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