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| The Feasibility of Green Alga Enteromor pha p roli f ra as Juvenile Sea Cucumber (Apostichopus j aponicus) Feed |
| LIU Tian-hong,WU Zhi-hong,WANG Ying,SUN Yuan-qin,LI Xiao,LI Hong-yan |
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Abstract The juvenile sea cucumber (Apostichopus japonicus) (body weight 2 .5~3 .5 g) was reared in plastic tanks and fed the diets containing various particle diameters of green alga Enteromorpha prolif ra powder (two commercial feed as control) to confirm the feasibility of the green alga as juvenile sea cucumber feed replacing for brown algae Sargassum pallidum and S .thunbergii at water temperature of (15 .3 ± 2 .8) ℃ for 60 days .Four test feeds were shown to promote growth of the juveniles ,but the best growth was found in the sea cucumber fed the diet containing the green alga powder prepared by 400 mesh w hich acted a function of attractive feeding and led to preventation of the sea cucumber from bad feces . Thefindingsindicatethat E.prolifrapowdercanbeusedasafeedadditive.
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Received: 25 October 2013
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