| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
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| Outline of Final Research Achievements |
In Japanese flounder Paralichthys olivaceus, staining-type hypermelanosis frequently occurs on the blind side of artificially reared juveniles produced for stock enhancement and aquaculture. By the present study, it is clarified that cortisol, a stress responsive hormone, is a direct enhancer of the hypermelanosis. For the prevention, effectiveness of undulated flooring of the rearing tank was found. As easy-installing undulated bottom for aquaculture companies, utilization of net-lined tanks was proposed.
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