| Optimum temperature for the growth performance of juvenile orange-spotted grouper （Epinephelus coioides H.） |
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| 引用本文： | 林祥志,解绶启,苏永全,崔奕波.Optimum temperature for the growth performance of juvenile orange-spotted grouper （Epinephelus coioides H.）[J].中国海洋与湖沼学报,2008,26(1):69-75. |
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| 作者姓名： | 林祥志 解绶启 苏永全 崔奕波 |
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| 作者单位： | Third Institute of Oceanography，State Oceanic Administration，Xiamen 361005，China，State Key Laboratory of Freshwater Ecology and Biotechnology，Institute of Hydrobiology，Chinese Academy of Sciences，Wuhan 430072，China，College of Oceanography and Environmental Sciences，Xiamen University，Xiamen 361005，China |
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| 基金项目： | Supported by NNSF of China （No. 39625006, 39970584） and the Knowledge Innovation Program of CAS, China （No. ZKCX2-211）. |
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| 摘 要： | Effects of water temperature （17, 21, 25, 30 and 35℃） and body size （14.75-281.41 g initial body weight） on food consumption, growth, feed conversion, and dry matter content in orange-spotted grouper fed to satiation were investigated. The combined effect of temperature （T, ℃） and body weight （W, g） on maximum food consumption （Cmax, g/day） was described as： InCmax=-7.411＋0.828 InW＋0.317T4）.004 7T2, and the optimum feeding temperature was 33.9℃. The combined effect of temperature and body weight on growth （G） was described as： lnG=-4.461-0.2081nW＋0.394T-0.006 3T^2. The optimum growth temperature was 31.4℃, whereas overall growth rates were high at 25, 30 and 35 ℃. Feed conversion efficiencies （FCE, %）, increasing first and then decreasing with increasing temperature, averaged from 1.8 to 2.1 in terms of dry weight of food fish. The optimum temperature for FCE tended to be lower than that for growth or feeding. Dry matter content increased with both increasing water temperature （17, 25, 30 and 35℃） and body weight, and the combined effect of temperature and body weight on dry matter content （DM, %） was described as： lnDM =3.232＋0.01 4 lnW-0.004 4T＋0.001 2TInW.
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| 关 键 词： | 石斑鱼 幼鱼 生长性能 温度 食物 |
| 文章编号： | 10.1007/s00343-008-0069-5 |
| 收稿时间： | 2007-01-31 |
| 修稿时间： | 2007-05-15 |
Optimum temperature for the growth performance of juvenile orange-spotted grouper (<Emphasis Type="Italic">Epinephelus coioides</Emphasis> H.) |
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| Lin?Xiangzhi,Xie?Shouqi,Su?Yongquan,Cui?Yibo.Optimum temperature for the growth performance of juvenile orange-spotted grouper (Epinephelus coioides H.)[J].Chinese Journal of Oceanology and Limnology,2008,26(1):69-75. |
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| Authors: | Lin Xiangzhi Xie Shouqi Su Yongquan Cui Yibo |
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| Institution: | (1) Third Institute of Oceanography, State Oceanic Administration, Xiamen, 361005, China;(2) State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China;(3) College of Oceanography and Environmental Sciences, Xiamen University, Xiamen, 361005, China |
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| Abstract: | Effects of water temperature (17, 21, 25, 30 and 35°C) and body size (14.75–281.41 g initial body weight) on food consumption,
growth, feed conversion, and dry matter content in orange-spotted grouper fed to satiation were investigated. The combined
effect of temperature (T, °C) and body weight (W, g) on maximum food consumption (C
max, g/day) was described as: lnC
max=−7.411+0.828 lnW+0.317T−0.004 7T
2, and the optimum feeding temperature was 33.9°C. The combined effect of temperature and body weight on growth (G) was described as: lnG=−4.461−0.208lnW+0.394T−0.006 3T
2. The optimum growth temperature was 31.4°C, whereas overall growth rates were high at 25, 30 and 35 °C. Feed conversion efficiencies
(FCE, %), increasing first and then decreasing with increasing temperature, averaged from 1.8 to 2.1 in terms of dry weight of
food fish. The optimum temperature for FCE tended to be lower than that for growth or feeding. Dry matter content increased with both increasing water temperature (17,
25, 30 and 35°C) and body weight, and the combined effect of temperature and body weight on dry matter content (DM, %) was described as: lnDM=3.232+0.01 4 lnW−0.004 4T+0.001 2TlnW.
Supported by NNSF of China (No. 39625006, 39970584) and the Knowledge Innovation Program of CAS, China (No. ZKCX2-211) |
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| Keywords: | temperature size food consumption growth orange-spotted grouper Epinephelus coioides |
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