Alteration of General Behavior of Male Medaka,oryzias latipes,Exposed to Tributyltin and /or Polychlorinated Biphenyls
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概要
- 論文の詳細を見る
We examined the general behavior of male Japanese medaka, Oryzias latipes, after exposed to tributyltin (TBT), polychlorinated biphenyls (PCBs), or a mixture of these chamicals at a concentration of 1μg/g body weight daily for 3 weeks. We analyzed swimming velocity as an indicator of acute toxicity and counted the frequencies of straight swimming and swimming in circles. We also calclated the entropy of the positions of the fish within the experimental chamber. Neither TBT nor PCBs nor their mixture affected the swimming velocity, suggesting that there were no acute toxic effects. However, PCBs exposure increased the frequencies of both straight and circular swimming, suggesting hyperactivity. TBT increased the positional entropy value. Both TBT and PCBs affect the general behavior of mature male medaka, although exposure to the 2 chamicals together has no significant additive behavioral effect.
- 九州大学の論文
著者
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Hiramatsu Kazuaki
Laboratory of Drainage and Water Environment,Division of Regional Environment Science,Department of
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OSHIMA YUJI
Laboratory of Marine Environmental Science, Bioscience and Biotechnology, Kyushu University
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HONJO TSUNEO
Laboratory of Marine Environmental Science, Bioscience and Biotechnology, Kyushu University
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NAKAYAMA Kei
Department of Bioscience and Biotechnology Faculty of Agriculture Kyushu University
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Nakayama Kei
Center for Marine Environmental Studies,Ehmie University
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Hiramatsu Kazuaki
Laboratoy Of Drainage And Water Environment Division Of Refional Environmenta Science Department Of
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Hiramatsu Kazuaki
Laboratory Land-drainage And Reclamation Engineering Faculty Of Agriculture Kyushu University
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Oshima Yuji
Laboratory Of Marine Environmental Science Department Of Bioscience And Biotechnology Graduate Schoo
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Oba Yumi
Laboratory Of Marine Environmental Science Bioscience And Biotechnology Kyushu University
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Oshima Yuji
Laboratory Of Fisheries Environmental Science Graduate School Of Bioresource And Bioenvironmental Sc
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Honjo T
Laboratory Of Marine Environmental Science Bioscience And Biotechnology Kyushu University
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Honjo Tsuneo
Kyushu Univ. Fukuoka Jpn
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Honjo Tsuneo
Laboratory Of Marine Environmental Science Division Of Marine Biological Chemistry Department Of Bio
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