生物絮团在斑节对虾养殖系统中的形成条件及作用效果
为确定斑节对虾(Penaeus monodon)养殖系统中生物絮团形成所需的最适碳源及添加量,试验选取葡萄糖、蔗糖、糖蜜3种碳源按碳(C)与氮(N)比(C/ N)为20:1添加,再按日投饲量的0%、25%、50%、75%和100%添加蔗糖,以期获得其最适添加量。结果显示,添加3种不同糖作为碳源均可以显著提高斑节对虾的特定生长率(P ﹤0.05),而添加蔗糖可以显著提高斑节对虾的成活率(P ﹤0.05);与其他组相比,添加75%的蔗糖组可以显著提高斑节对虾的特定生长率和成活率(P ﹤0.05),促进异养细菌和浮游植物的繁殖,水体氨氮(NH4-N)、亚硝酸氮(NO2-N)等有害物质的浓度较低,过多...
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| Published in | 南方水产科学 Vol. 10; no. 3; pp. 29 - 37 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
南京农业大学无锡渔业学院,江苏 无锡 214182
2014
中国水产科学研究院南海水产研究所,广东 广州 510300%中国水产科学研究院南海水产研究所,广东 广州,510300 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 2095-0780 |
| DOI | 10.3969/j.issn.2095-0780.2014.03.005 |
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| Abstract | 为确定斑节对虾(Penaeus monodon)养殖系统中生物絮团形成所需的最适碳源及添加量,试验选取葡萄糖、蔗糖、糖蜜3种碳源按碳(C)与氮(N)比(C/ N)为20:1添加,再按日投饲量的0%、25%、50%、75%和100%添加蔗糖,以期获得其最适添加量。结果显示,添加3种不同糖作为碳源均可以显著提高斑节对虾的特定生长率(P ﹤0.05),而添加蔗糖可以显著提高斑节对虾的成活率(P ﹤0.05);与其他组相比,添加75%的蔗糖组可以显著提高斑节对虾的特定生长率和成活率(P ﹤0.05),促进异养细菌和浮游植物的繁殖,水体氨氮(NH4-N)、亚硝酸氮(NO2-N)等有害物质的浓度较低,过多的添加蔗糖却会起到反作用。结果表明添加75%的蔗糖最适合生物絮团在斑节对虾养殖系统中形成,并促进斑节对虾的生长。 |
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| AbstractList | 为确定斑节对虾(Penaeus monodon)养殖系统中生物絮团形成所需的最适碳源及添加量,试验选取葡萄糖、蔗糖、糖蜜3种碳源按碳(C)与氮(N)比(C/ N)为20:1添加,再按日投饲量的0%、25%、50%、75%和100%添加蔗糖,以期获得其最适添加量。结果显示,添加3种不同糖作为碳源均可以显著提高斑节对虾的特定生长率(P ﹤0.05),而添加蔗糖可以显著提高斑节对虾的成活率(P ﹤0.05);与其他组相比,添加75%的蔗糖组可以显著提高斑节对虾的特定生长率和成活率(P ﹤0.05),促进异养细菌和浮游植物的繁殖,水体氨氮(NH4-N)、亚硝酸氮(NO2-N)等有害物质的浓度较低,过多的添加蔗糖却会起到反作用。结果表明添加75%的蔗糖最适合生物絮团在斑节对虾养殖系统中形成,并促进斑节对虾的生长。 S968.22; 为确定斑节对虾(Penaeus monodon)养殖系统中生物絮团形成所需的最适碳源及添加量,试验选取葡萄糖、蔗糖、糖蜜3种碳源按碳(C)与氮(N)比(C/ N)为20:1添加,再按日投饲量的0%、25%、50%、75%和100%添加蔗糖,以期获得其最适添加量。结果显示,添加3种不同糖作为碳源均可以显著提高斑节对虾的特定生长率(P ﹤0.05),而添加蔗糖可以显著提高斑节对虾的成活率(P ﹤0.05);与其他组相比,添加75%的蔗糖组可以显著提高斑节对虾的特定生长率和成活率(P ﹤0.05),促进异养细菌和浮游植物的繁殖,水体氨氮(NH4-N)、亚硝酸氮(NO2-N)等有害物质的浓度较低,过多的添加蔗糖却会起到反作用。结果表明添加75%的蔗糖最适合生物絮团在斑节对虾养殖系统中形成,并促进斑节对虾的生长。 |
| Abstract_FL | To determine the optimum carbon source and dosage for bio-floc formation in Penaeus monodon culture system,we added three kinds of carbon source including glucose,sucrose and molasses in the culture system at C/ N ratio of 20: 1. The sucrose was added into the culture system at daily feeding ratios of 0% ,25% ,50% ,75% and 100%. Results show that all carbon sources test-ed in the present study could significantly increase the special growth rate(SGR)of P. monodon(P ﹤ 0. 05). Sucrose could signifi-cantly increase the survival rate(SR)of P. monodon(P ﹤ 0. 05). Compared with the other groups,75% of sucrose could significant-ly improve the SGR and SR of P. monodon(P ﹤ 0. 05),and sucrose could promote heterotrophic bacteria and phytoplankton reproduc-tion,and indirectly reduce concentration of harmful substances in water such as NH4-N and NO2-N,but adding excessive sucrose would be counterproductive. The results reveal that adding 75% of sucrose was the most suitable condition for bio-floc formation in P. monodon culture system,which could promote the growth of P. monodon. |
| Author | 邓吉朋 黄建华 江世贵 李涛 杨其彬 周发林 邱丽华 |
| AuthorAffiliation | 南京农业大学无锡渔业学院,江苏无锡214182 中国水产科学研究院南海水产研究所,广东广州510300 |
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| Author_FL | YANG Qibin DENG Jipeng JIANG Shigui ZHOU Falin HUANG Jianhua LI Tao QIU Lihua |
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| Keywords | 成活率 碳源 special growth rate 生物絮团 斑节对虾 特定生长率 survival rate bio-floc Penaeus monodon carbon source |
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| Notes | DENG Jipeng, HUANG Jianhua, JIANG Shigui, LI Tao, YANG Qibin, ZHOU Falin, QIU Lihua (1. Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214182, China; 2. South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China) To determine the optimum carbon source and dosage for bio-floc formation in Penaeus monodon culture system,we added three kinds of carbon source including glucose,sucrose and molasses in the culture system at C/ N ratio of 20: 1. The sucrose was added into the culture system at daily feeding ratios of 0% ,25% ,50% ,75% and 100%. Results show that all carbon sources tested in the present study could significantly increase the special growth rate(SGR)of P. monodon(P ﹤ 0. 05). Sucrose could significantly increase the survival rate(SR)of P. monodon(P ﹤ 0. 05). Compared with the other groups,75% of sucrose could significantly improve the SGR and SR of P. monodon(P ﹤ 0. 05),and sucrose could promote heterotrophic bacteria and phytoplankton repro |
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| PublicationYear | 2014 |
| Publisher | 南京农业大学无锡渔业学院,江苏 无锡 214182 中国水产科学研究院南海水产研究所,广东 广州 510300%中国水产科学研究院南海水产研究所,广东 广州,510300 |
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| Snippet | 为确定斑节对虾(Penaeus monodon)养殖系统中生物絮团形成所需的最适碳源及添加量,试验选取葡萄糖、蔗糖、糖蜜3种碳源按碳(C)与氮(N)比(C/ N)为20:1添加,再按日投... S968.22; 为确定斑节对虾(Penaeus monodon)养殖系统中生物絮团形成所需的最适碳源及添加量,试验选取葡萄糖、蔗糖、糖蜜3种碳源按碳(C)与氮(N)比(C/ N)为20:1添... |
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| SubjectTerms | 成活率 斑节对虾 特定生长率 生物絮团 碳源 |
| Title | 生物絮团在斑节对虾养殖系统中的形成条件及作用效果 |
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