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当前位置: 首页 > 文章 > 投喂不同饵料对刺参海上网箱育苗幼体培育效果的影响 大连海洋大学学报 2014 (2) 126-130
Position: Home > Articles > Effects of diets on growth and survival of larval and juvenile sea cucumber Apostichopus japonicus in a marine net cage Journal of Dalian Ocean University 2014 (2) 126-130

投喂不同饵料对刺参海上网箱育苗幼体培育效果的影响

作  者：
殷旭旺;林华剑;闵文武;刘钢;杨大佐;周玮;孙洪斌;刘福合
单  位：
大连海洋大学;大连长海福合水产有限公司
关键词：
刺参;网箱育苗;饵料;生长;存活率
摘  要：
研究了投喂不同饵料(微绿球藻Nannochloropsis sp.、海洋红酵母Rhodomanas benthica、孔石莼Ulva pertusa碎屑和海蒿子Sargassum pallidium碎屑)对刺参海上网箱育苗中各阶段浮游幼虫、稚参的存活率及其生长的影响,幼虫培育历时30 d,稚参培育试验共进行21 d。结果表明:在浮游幼体中后期,投喂微绿球藻的组幼虫存活率均显著高于投喂海洋红酵母的组和不投饵的对照组(P<0.05);在稚参培育21 d时,投喂海蒿子的组稚参存活率最高,为20.4%±0.2%,投喂孔石莼的组次之,存活率为19.9%±1.7%,但二者差异不显著(P>0.05),投喂微绿球藻与投喂海洋红酵母的组存活率无明显差异(P>0.05),存活率分别为13.6%±0.9%和13.9%±0.7%,而不投饵料的对照组存活率最低,仅为8.9%±0.8%;试验结束时,投喂海蒿子、孔石莼和海洋红酵母的组稚参的体长增长均较快,分别为(7.79±0.47)、(7.35±0.13)、(7.08±0.63)mm,显著高于微绿球藻组(5.08 mm±0.40 mm)和对照组(4.94 mm±0.23 mm)(P<0.05)。研究表明:相对于不投喂饵料,投喂适量饵料能够显著提高刺参海上网箱育苗幼体的存活率和生长率;浮游幼虫阶段,投喂微绿球藻较为适宜;附着变态后的稚参期,投喂海蒿子或孔石莼碎屑最佳。
译  名：
Effects of diets on growth and survival of larval and juvenile sea cucumber Apostichopus japonicus in a marine net cage
作  者：
YIN Xu wang;LIN Hua-jian;MIN Wen-wu;LIU Gang;YANG Da zuo;ZHOU Wei;SUN Hong-bin;LIU Fu-he;Key Laboratory of Mariculture & Stock Enhancement in North China's Sea,Ministry of Agriculture,Dalian Ocean University;Dalian Changhai Fuhe Fisheries Co. ,Ltd.;
关键词：
Apostichopus japonicus;;net cage seedling;;diet;;growth;;survival rate
摘  要：
The effects of different diets( alga Nannochloropsis sp.,yeast Rhodotorula benthica,sea lettuce Ulva pertusadetritus and sea weed Sargassum pallidium detritus) on survival and growth of larval and juvenile sea cucumber Apostichopus japonicus were studied in marine net cages for 30 d for the larvae and 21 d for the juveniles. The results showed that the later larvae fed the alga had significantly higher survival and growth than those fed the yeast(P <0. 05),both being significantly higher than the larvae in the control group(unfeeding)(P <0. 05). In 21 day rearing period,the maximal survival rate(20. 4% ± 0. 2%) was observed in the juveniles fed the sea weed, followed by the juveniles fed the sea lettuce(19. 9% ± 1. 7%),without significant difference( P > 0. 05). There were no significant differences in the juveniles fed the yeast(13. 9% ± 0. 7%) and the alga(13. 6% ± 0. 9%), with the minimal survival in the control group(8. 9% ± 0. 8%). At the end of the experiment,the juveniles fed the sea weed(7. 79 ± 0. 47) mm,sea lettuce(7. 35 ± 0. 13) mm,and yeast(7. 08 ± 0. 63) mm showed higher growth in body length than those fed the alga(5. 08 ± 0. 40) mm and in the control group(4. 94 ± 0. 23)mm,without significant difference(P > 0. 05). Compared with the unfeeding traditional culture methods in the marine net cage, the growth and survival of larval and juvenile sea cucumber were improved greatly by feeding at an optimal rate and types,including the larvae fed Nannochloropsis sp.,and the metamorphosed juveniles fed sea weed detritus.

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