Turbot Scophthalmus maximus: stocking density on growth, pigmentation and feed conversion

MA Aijun; CHEN Chao; LEI Jilin; CHEN Siqing; ZHUANG Zhimeng; WANG Yingeng

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Turbot Scophthalmus maximus: stocking density on growth, pigmentation and feed conversion

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Juvenile turbot (Scophthalmus maximus) were reared in five different experiment groups in the initial stock densities at 0.28, 0.87, 1.12, 1.16, 2.75 kg/m2 respectively for the study of the density effect on growth, pigmentation and feed coefficient rate. The experiment lasted for 60 days with final stock densities at 1.91, 6.31, 8.86, 11.97, 17.67 kg/m2 respectively. Result showed that, in the same experiment condition, the stocking density has a positive effect on growth in low density and negative in high density. The SGR (special growth rate) was 3.189, 3.304, 3.447, 3.341, and 3.087 respectively. The uniformity of weight distributing among experiment groups decreased with increasing density. The stocking density had positive effect on feed coefficient rate. Group 1 had the least feed coefficient rate 0.96, and highest at 1.25 in Group 5, the highest density group. High stocking density inhibited the growth and increased the feed coefficient rate. The stocking density had negative relationship to pigmentation improvement for whitened fish.

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来源
《中国海洋湖沼学报（英文版）》 |2006年第3期|307-312|共6页
作者
MA Aijun; CHEN Chao; LEI Jilin; CHEN Siqing; ZHUANG Zhimeng; WANG Yingeng;
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作者单位

Key Laboratory for Sustainable Utilization of Marine Fisheries Resources,Ministry of Agriculture,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Qingdao 266071,China;

Key Laboratory for Sustainable Utilization of Marine Fisheries Resources,Ministry of Agriculture,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Qingdao 266071,China;

Key Laboratory for Sustainable Utilization of Marine Fisheries Resources,Ministry of Agriculture,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Qingdao 266071,China;

Key Laboratory for Sustainable Utilization of Marine Fisheries Resources,Ministry of Agriculture,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Qingdao 266071,China;

Key Laboratory for Sustainable Utilization of Marine Fisheries Resources,Ministry of Agriculture,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Qingdao 266071,China;

Key Laboratory for Sustainable Utilization of Marine Fisheries Resources,Ministry of Agriculture,Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Qingdao 266071,China;

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正文语种 chi
中图分类动物学;
关键词
turbot (Scophthalmus maximus); stocking density; growth; feed coefficient; pigmentation improvement;

机译：大菱;放养密度;生长;进食系数;色素沉着改善;

Turbot Scophthalmus maximus: stocking density on growth, pigmentation and feed conversion

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