globalchange  > 全球变化的国际研究计划
DOI: 10.1111/jai.13918
WOS记录号: WOS:000476771800022
论文题名:
Striped catfish (Pangasianodon hypophthalmus) could be suitable for coastal aquaculture
作者: Jahan, Afiya1; Nipa, Tanjia Taher1; Islam, S. M. Majharul1; Uddin, Md. Helal1; Islam, Md. Sadiqul2; Shahjahan, Md.1
通讯作者: Shahjahan, Md.
刊名: JOURNAL OF APPLIED ICHTHYOLOGY
ISSN: 0175-8659
EISSN: 1439-0426
出版年: 2019
卷: 35, 期:4, 页码:994-1003
语种: 英语
WOS关键词: FRESH-WATER FISH ; SALINITY TOLERANCE ; PERIPHERAL ERYTHROCYTES ; ONCORHYNCHUS-MYKISS ; GENOTOXIC DAMAGE ; GENETIC-DAMAGE ; RAINBOW-TROUT ; GROWTH ; STRESS ; SURVIVAL
WOS学科分类: Fisheries ; Marine & Freshwater Biology
WOS研究方向: Fisheries ; Marine & Freshwater Biology
英文摘要:

Salinity intrusion in the coastal freshwater rivers due to climate change and construction of the dam in the upstream rivers are alarming in aquaculture. Hence, an experiment was conducted to know the effects of salinity on growth performance, hemato-biochemical parameters and erythrocytes structure in a commercially cultivable catfish species, striped catfish (Pangasianodon hypophthalmus). Firstly, median lethal concentration (LC50) of salinity for striped catfish was determined and then the fish were exposed to three salinity conditions (4, 8 and 12 parts per thousand) and a control (0 parts per thousand). Fish were sacrificed at day 7, 14, 28 and 56 after the start of salinity exposure. The 96 hr LC50 value was found to be 14.87 parts per thousand. Salinity levels from freshwater to 8 parts per thousand showed optimal conditions with high survival rate and good growth performances of fish in terms of weight gain and specific growth rate (SGR). Interestingly, the lowest food conversion ratio (FCR) was found in 4 parts per thousand group. The hemoglobin (Hb) level and number of red blood cells (RBCs) were found to be decreased significantly in 8 and 12 parts per thousand compared to 0 and 4 parts per thousand at the initial days of exposure, while number of white blood cells (WBCs) and glucose level showed opposite scenario. Frequencies of ENA (erythrocytic nuclear abnormalities) and ECA (erythrocytic cellular abnormalities) were significantly increased with increasing salinities in the initial days of exposure. Overall, findings of the present study revealed that striped catfish might be suitable fish species for culture in the brackish water containing salinity up to 10 parts per thousand.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/144736
Appears in Collections:全球变化的国际研究计划

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作者单位: 1.Bangladesh Agr Univ, Dept Fisheries Management, Mymensingh 2202, Bangladesh
2.Bangladesh Agr Univ, Dept Fisheries Biol & Genet, Mymensingh, Bangladesh

Recommended Citation:
Jahan, Afiya,Nipa, Tanjia Taher,Islam, S. M. Majharul,et al. Striped catfish (Pangasianodon hypophthalmus) could be suitable for coastal aquaculture[J]. JOURNAL OF APPLIED ICHTHYOLOGY,2019-01-01,35(4):994-1003
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