| REDUCED GROWTH IN HYBRID TILAPIA (OREOCHROMIS MOSSAMBICUS×O. NILOTICUS) AT INTERMEDIATE STOCKING DENSITY |
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| 引用本文： | 王岩,崔奕波,杨云霞,蔡发盛.REDUCED GROWTH IN HYBRID TILAPIA (OREOCHROMIS MOSSAMBICUS×O. NILOTICUS) AT INTERMEDIATE STOCKING DENSITY[J].中国海洋与湖沼学报,2002,20(4). |
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| 作者姓名： | 王岩 崔奕波 杨云霞 蔡发盛 |
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| 作者单位： | WANG Yan，CUI Yi bo，YANG Yun xia，CAI Fa sheng(Key Laboratory of Ecology and Physiology in Aquaculture，Ministry of Agriculture of China，Shanghai Fisheries University，Shanghai 200090，China |
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| 基金项目： | financiallysupportedbytheStateKeyLaboratoryofFreshwaterEcology，BiotechnologyofChinaandbyShanghaiFisheriesUniversity (ProjectSFU .2 0 0 0 0 3 ) |
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| 摘 要： | ＩＮＴＲＯＤＵＣＴＩＯＮＩｎｍｏｓｔｓｔｕｄｉｅｓ,ｇｒｏｗｔｈｒａｔｅｏｆｆｉｓｈｗａｓｆｏｕｎｄｔｏｄｅｃｒｅａｓｅｗｉｔｈｉｎｃｒｅａｓｉｎｇｄｅｎｓｉｔｙ ,ｅｓｐｅｃｉａｌｌｙｗｈｅｎｔｈｅｄｅｎｓｉｔｙｗａｓａｂｏｖｅａｃｒｉｔｉｃａｌｐｏｉｎｔ (ＲｅｆｓｔｉｅａｎｄＫｉｔｔｌｅｓｉｎ ,1 976;Ｒｅｆｓｔｉｅ,1 977;Ｔｒｚｅｂｉａ ｔｏｗｓｋｉｅｔａｌ.,1 981 ;ＶｉｊａｙａｎａｎｄＬｅａｔｈｅｒｌａｎｄ ,1 988) .Ｈｏｗｅｖｅｒ,ｉｎａｃｏｌｄ ｗａｔｅｒｃａｒｎｉｖｏｒｏｕｓｆｉｓｈ ,ｔｈｅＡ…
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REDUCED GROWTH IN HYBRID TILAPIA (OREOCHROMIS MOSSAMBICUS×O. NILOTICUS) AT INTERMEDIATE STOCKING DENSITY |
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| WANG Yan,CUI Yi bo,YANG Yun xia,CAI Fa sheng.REDUCED GROWTH IN HYBRID TILAPIA (OREOCHROMIS MOSSAMBICUS×O. NILOTICUS) AT INTERMEDIATE STOCKING DENSITY[J].Chinese Journal of Oceanology and Limnology,2002,20(4). |
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| Authors: | WANG Yan CUI Yi bo YANG Yun xia CAI Fa sheng |
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| Abstract: | Hybrid tilapia were reared at densities of 1, 5 or 10 fish per tank for four weeks. Mortality was 0 at 1 and 10 fish per tank, but was 25% at 5 fish per tank. Specific growth rate was highest at 1 fish per tank, and lowest at 5 fish per tank. The lower growth rate at the intermediate stocking density was associated with reduced feed efficiency, but there was no reduction in feed intake or digestibility. The results suggested increased metabolic cost caused by aggressive behaviour at intermediate stocking density, which can be suppressed by a further increase in density. |
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| Keywords: | growth feed efficiency stocking density tilapia |
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