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タイトルEffect of prehatching weightlessness on adult fish behavior in dynamic environments
著者(英)Hoffman, R. B.; Von Baumgarten, R. J.; Baky, A. A.; Salinas, G. A.; Boyd, J. F.
著者所属(英)NASA Johnson Space Center|Mainz Univ.
発行日1978-04-01
言語eng
内容記述At 16-17 months of age, three groups of fish from the embryonated eggs in the ASTP killifish experiment were subjected to postflight tests consisting of rapidly changing environments. It was found that the group of fish with the least amount of development at orbital insertion (A-32) had a decreased rheotropism for both the moving background and the rotating water current tests when compared to ground control fish. Exposure to parabolic aircraft flight conditions revealed that the A-32 fish were less disoriented during zero gravity periods and were hypersensitive to high-gravity periods. These results suggested a modified vestibular competency due to a 9-d prehatching weightlessness exposure.
NASA分類LIFE SCIENCES (GENERAL)
レポートNO78A31841
権利Copyright
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/433175


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