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Effects of flow velocity on growth, metabolism and nitrogen and phosphorus budget of Haliotis discus hannai Ino in a recirculating aquaculture system
Gao Xiaolong1; Zhang Mo1; Li Xian1; Wu Fucun1; Liu Ying2
2018-06-01
Source PublicationAQUACULTURE RESEARCH
ISSN1355-557X
Volume49Issue:6Pages:2322-2335
Corresponding AuthorLiu Ying(yingliuaquaculture@gmail.com)
AbstractTo study the effects of different flow velocities on growth, metabolism and nitrogen (N) and phosphorus (P) budget of Haliotis discus hannai Ino in a recirculating aquaculture system, abalones (shell length: 45.71 +/- 3.09 mm, body weight: 8.62 +/- 0.75 g) were cultured at three different flow velocities with four replicates each: high (400 L/hr), medium (300 L/hr) and low (200 L/hr). At the end of the 70 days experiment, the survival rate, food intake and P utilization rate of abalones in the 200 L/hr group were significantly lower than those in any other group (p < .05), whereas the total ammonia nitrogen and nitrite nitrogen concentrations in the water were significantly higher than those in any other group (p < .05). The body weight specific growth rate, food conversion efficiency, abalone-harvested N and P outputs and N utilization rate were ranked as follows: 300 > 400 > 200 L/hr (p < .05). In the 300 L/hr group, the activities of hexokinase, pyruvate kinase and lactate dehydrogenase were significantly lower than those in the 400 L/hr group, whereas the activity of succinate dehydrogenase was significantly higher than that in the other two groups (p < .05). Aerobic metabolism was the main source of energy acquisition for abalones in the 300 L/hr group. In the 400 L/hr group, the expression levels of manganese superoxide dismutase and thioredoxin peroxidase significantly increased from Day 35 to Day 70, but they still were significantly lower than the values in the 200 L/hr group (p < .05). In the 200 L/hr group, the expression levels of catalase and heat shock protein 70 were significantly higher than those in any other group, and they significantly increased from Day 35 to Day 70 (p < .05). These results indicate that maintaining flow velocity at 300 L/hr will minimize oxidative damage due to deterioration of water quality, reduce the energy consumption required for organisms to resist the impact of water flow, improve the N and P utilization rates of the recirculating aquaculture system, and reduce the cost of culturing abalones.
Keywordflow velocity gene expression Haliotis discus hannai Ino metabolic enzyme activity nitrogen and phosphorus budget
DOI10.1111/are.13695
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2017YFB0404000] ; Modern Agro-industry Technology Research System[CARS-48] ; National Natural Science Fund of China[31672673] ; National Natural Science Fund of China[31402283] ; National Natural Science Fund of China[41306152]
WOS Research AreaFisheries
WOS SubjectFisheries
WOS IDWOS:000431489200028
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/158954
Collection实验海洋生物学重点实验室
Corresponding AuthorLiu Ying
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao, Peoples R China
2.Dalian Ocean Univ, Dalian, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Gao Xiaolong,Zhang Mo,Li Xian,et al. Effects of flow velocity on growth, metabolism and nitrogen and phosphorus budget of Haliotis discus hannai Ino in a recirculating aquaculture system[J]. AQUACULTURE RESEARCH,2018,49(6):2322-2335.
APA Gao Xiaolong,Zhang Mo,Li Xian,Wu Fucun,&Liu Ying.(2018).Effects of flow velocity on growth, metabolism and nitrogen and phosphorus budget of Haliotis discus hannai Ino in a recirculating aquaculture system.AQUACULTURE RESEARCH,49(6),2322-2335.
MLA Gao Xiaolong,et al."Effects of flow velocity on growth, metabolism and nitrogen and phosphorus budget of Haliotis discus hannai Ino in a recirculating aquaculture system".AQUACULTURE RESEARCH 49.6(2018):2322-2335.
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