A Winter-based Assessment on Energy and Protein Requirements of Yellowtail at the Optimum Feeding Frequency
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- Watanabe Kanako
- Laboratory of Fish Nutrition, Tokyo University of Fisheries
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- Aoki Hideo
- Owase Branch, Fisheries Research Institute of Mie
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- Sanada Yasuhiro
- Oita Institute of Marine and Fisheries Science
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- Hidaka Estuhisa
- Oita Institute of Marine and Fisheries Science
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- Kimura Hajime
- Wakayama Prefectural Fish Farming Experimental Station
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- Yamagata Youichi
- Owase Branch, Fisheries Research Institute of Mie
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- Kiron Viswanath
- Laboratory of Fish Nutrition, Tokyo University of Fisheries
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- Satoh Shuichi
- Laboratory of Fish Nutrition, Tokyo University of Fisheries
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- Watanabe Takeshi
- Laboratory of Fish Nutrition, Tokyo University of Fisheries
書誌事項
- タイトル別名
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- Winter-based Assessment on Energy and Protein Requirements of Yellowtail at the Optimum Feeding Frequency
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In order to determine the energy and protein requirements of yellowtail during the winter season, two feeding experiments were conducted in net cages during the winters of two subsequent years. The cages were located at three different environmental conditions in Mie, Oita, and Wakayama Prefectures, Japan. At the locations, commercial soft-dry pellets (SDP) with known digestible energy (DE) and protein (DP) values were fed to satiation to four groups of fish either for five, three, two, or one time(s) per week.<br> In the first experiment, fish fed three times per week produced the best growth in Mie and Oita Prefectures. The respective daily DE and DP requirements per kg body weight (BW) were found to be 40.7kcal and 3.3g in Mie and 30.4kcal and 2.5g in Oita.<br> In the second experiment, fish fed five times per week showed slightly higher growth and feeding rates in Mie and Oita Prefectures. The requirements of DE and DP were 43.7kcal and 3.3g/kgBW/day in Mie and 35.9kcal and 2.7g/kgBW/day in Oita. In Wakayama, fish fed three times per week showed the best growth. DE and DP requirements were 40.5kcal and 3.1g/kgBW/day, respectively.<br> These results, along with observations on stomach evacuation suggest that a feeding frequency of three times per week would be adequate for yellowtail during the winter season.
収録刊行物
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- Fisheries science
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Fisheries science 65 (4), 537-546, 1999
公益社団法人 日本水産学会
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詳細情報
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- CRID
- 1390001204429325696
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- NII論文ID
- 130003742164
- 10004879581
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- NII書誌ID
- AA10993718
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- NDL書誌ID
- 4839645
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- ISSN
- 09199268
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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