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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 1999.9
- 수록면
- 247 - 254 (8page)
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Changes of oxygen consumption of Nile tilapia in relation to different body sizes (average body weight 4 g, 40 g, 120 g and 400 g) and water temperatures (20℃, 25℃ and 30℃) were investigated by a continuous oxygen monitoring system.
Mean oxygen consumption of 4 g, 40 g, 120 g and 400 g Nile tilapia at 20℃ were 318.8, 214.9, 84.1 and 69.4 mg O₂/kg fish/hr and that at 25℃ were 435.2, 345.9, 151.5, and 115.9 mg O₂/kg fish/hr, and that at 30℃ were 611.1, 538.4, 320.8, and 236.0 mg O₂/kg fisb/hr, respectively. Oxygen consumption per unit body weight tended to decrease exponentially at all temperatures (P<0.05) as body weight of the fish increased. Oxygen consumption of this fish at 25℃ was 1.61±0.18 times higher than that at 20℃ and oxygen consumption at 30℃ was 1.53±0.27 times higher than that at 25℃. Oxygen consumption per unit body weight linearly increased with the water temperature increased.
Also, oxygen consumption of this fish during day time was higher than that during night time at 12L:12D day light condition. The differences between maximum and minimum daily oxygen consumption of this fish increased with the water temperature increased.
Mean oxygen consumption of 4 g, 40 g, 120 g and 400 g Nile tilapia at 20℃ were 318.8, 214.9, 84.1 and 69.4 mg O₂/kg fish/hr and that at 25℃ were 435.2, 345.9, 151.5, and 115.9 mg O₂/kg fish/hr, and that at 30℃ were 611.1, 538.4, 320.8, and 236.0 mg O₂/kg fisb/hr, respectively. Oxygen consumption per unit body weight tended to decrease exponentially at all temperatures (P<0.05) as body weight of the fish increased. Oxygen consumption of this fish at 25℃ was 1.61±0.18 times higher than that at 20℃ and oxygen consumption at 30℃ was 1.53±0.27 times higher than that at 25℃. Oxygen consumption per unit body weight linearly increased with the water temperature increased.
Also, oxygen consumption of this fish during day time was higher than that during night time at 12L:12D day light condition. The differences between maximum and minimum daily oxygen consumption of this fish increased with the water temperature increased.
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UCI(KEPA) : I410-ECN-0101-2009-529-015332724