International Journal of Aquaculture and Fishery Sciences最新文献_第2页

Secondary metabolites production combined with lead bioremediation by Halamphora sp. marine diatom microalgae and their physiological response Halamphora sp.海洋硅藻微藻次生代谢物产生与铅生物修复及其生理反应

International Journal of Aquaculture and Fishery Sciences Pub Date : 2022-04-27 DOI: 10.17352/2455-8400.000075

Moussa Ines Dahmen-Ben, Boukhriss Saoussan, Athmouni Khaled, Ayadi Habib

{"title":"Secondary metabolites production combined with lead bioremediation by Halamphora sp. marine diatom microalgae and their physiological response","authors":"Moussa Ines Dahmen-Ben, Boukhriss Saoussan, Athmouni Khaled, Ayadi Habib","doi":"10.17352/2455-8400.000075","DOIUrl":"https://doi.org/10.17352/2455-8400.000075","url":null,"abstract":"This study was designed to investigate the physiological and biochemical response of the diatom microalgae Halamphora sp. (SB1 MK575516.1) to the toxicity of lead (Pb) as well as its ability as phytoremediation. Four different concentrations of Pb (50, 100, 150, and 200 mg L-1) were applied for 10 days. Fatty acid profile, mineral composition, secondary metabolite contents, and physiological responses have been determined in Halamphora biomass. We found that this metal was mainly removed by bio adsorption on cell surfaces and that Halamphora sp. could acclimatize upon long-term exposure to Pb stress. A decrease in the cell’s number and size, polyunsaturated fatty acids as well as mineral content in Halamphora sp were observed under Pb stress. However, an increase in polyphenol, flavonoid, and carotenoid contents has been recorded at 100 mg Pb L-1, with stimulation of the antioxidant capacity as measured by DPPH and ABTS radical scavenging activities. An increase in MDA, proline, and H2O2 levels were also observed. On the other hand, the deleterious effect of Pb resulting from the cellular oxidative state can be alleviated by the enzymatic system such as Superoxide dismutase (SOD), Glutathione peroxidase (GPx), and catalase (CAT). The present study indicates the ability of Halamphora sp. to remove heavy metals from the aquatic environment and produce antioxidant biomolecules.","PeriodicalId":253046,"journal":{"name":"International Journal of Aquaculture and Fishery Sciences","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132272702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Some epidemiology aspects of Myxosporean infections in Oreochromis niloticus (Linnaeus, 1758) and Hemichromis fasciatus (Peters, 1857), two cultured Cichlid fishes in the West - Cameroon 喀麦隆西部两种养殖丽鱼(Oreochromis niloticus, Linnaeus, 1758)和fasciatus Hemichromis (Peters, 1857)粘孢子菌感染的流行病学研究

International Journal of Aquaculture and Fishery Sciences Pub Date : 2022-02-17 DOI: 10.17352/2455-8400.000073

Georges Fonkwa, J. Nack, Marc Kouam K, M. Tomedi Eyango, J. Tchoumboué

{"title":"Some epidemiology aspects of Myxosporean infections in Oreochromis niloticus (Linnaeus, 1758) and Hemichromis fasciatus (Peters, 1857), two cultured Cichlid fishes in the West - Cameroon","authors":"Georges Fonkwa, J. Nack, Marc Kouam K, M. Tomedi Eyango, J. Tchoumboué","doi":"10.17352/2455-8400.000073","DOIUrl":"https://doi.org/10.17352/2455-8400.000073","url":null,"abstract":"In order to assess epidemiology aspects of myxosporean infection in cultured Oreochromis niloticus and Hemichromis fasciatus fishes in Cameroon to develop efficient prevention and control program, a total of 320 Cichlid fishes (189 Oreochromis niloticus and 131 Hemichromis fasciatus) were collected from June 2019 to April 2020 in the ponds located at the Ngoundoup Village, Koutaba Subdivision, Noun Division, Region of West-Cameroon. They were examined both macroscopically and microscopically for myxosporean infections. The prevalence of infection was determined as a function of fish species, sex, size, target organs, and seasons. Results showed that kidneys and ovaries were the only infected organs and harbored nine and three myxosporean species of the genus Myxobolus respectively. A total of 154 fish were infected (54.38%). Irrespective of the parasite species, Oreochromis niloticus (75.13%) was significantly more infected than Hemichromis fasciatus (24.27%). The prevalence of parasites was very low (<25%) whatever the fish species. The sex and fish size did not significantly influence the prevalence of parasite species. The prevalence of Myxobolus tilapiae was negatively and significantly correlated (r= -0.20; p= 0.02) with Oreochromis niloticus size. The overall prevalence was significantly higher during the dry season (88.76%) than during the rainy (75.31%) and the transitional (20.29%) seasons. Oreochromis niloticus was not infected during the transitional season while Hemichromis fasciatus was more infected (p<0.001) during the dry season (26.84%) followed by the rainy (15.80%) and the transitional (10.32%) seasons. The high prevalence of myxosporeans infection may decrease the fish farming yield. The epidemiological data recorded help develop prevention and control strategies to boost the production of Oreochromis niloticus and Hemichromis fasciatus in Cameroon.","PeriodicalId":253046,"journal":{"name":"International Journal of Aquaculture and Fishery Sciences","volume":"5 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130123627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessment of Sparus aurata (Gilthead Seabream) stock in Bardawil lagoon, southeast Mediterranean Sea 地中海东南部巴尔达威尔泻湖金颡鱼种群评价

International Journal of Aquaculture and Fishery Sciences Pub Date : 2021-07-20 DOI: 10.17352/2455-8400.000070

El-Aiq Ahmed, Raaft Mohamed, A. El-Dakar, Ahmed Salem M, Al-Beak Ahmed M, Ahmed Kassem S

引用次数: 3

Effect of pawpaw seed meal using various inclusion level on the gonad structure of Oreochromis Niloticus (gift) 不同包合水平的木瓜籽粕对nilochromis (gift)性腺结构的影响

International Journal of Aquaculture and Fishery Sciences Pub Date : 2021-07-20 DOI: 10.17352/2455-8400.000069

Udoh Brian Christopher, Nlewadim Anthony Ajuzieogu, A UmohImaobong, Adelaja Olusumbo Adeolu

{"title":"Effect of pawpaw seed meal using various inclusion level on the gonad structure of Oreochromis Niloticus (gift)","authors":"Udoh Brian Christopher, Nlewadim Anthony Ajuzieogu, A UmohImaobong, Adelaja Olusumbo Adeolu","doi":"10.17352/2455-8400.000069","DOIUrl":"https://doi.org/10.17352/2455-8400.000069","url":null,"abstract":"This study investigates the effect of pawpaw seed meal using various level of inclusion in regulating procreation in Oreochromis niloticus (gift strain) via morphology (percentage defective sperm cells) as well as gonads using biomarkers. The pawpaw seed powder was compounded to a 2mm tilapia feed at 35% crude protein at 2, 4 and 6g per kg diet. A total of twenty (20) fingerlings (10 males and 10 females) with average weight of 20g were randomly allotted in triplicate into concrete ponds (1m x 1m x 1 0.8m) of 600 litres capacity with control. The Tilapia fish was nourished at 4% body weight per day in dual portions at 09.00 – 09.30 hours and 17.00 – 17.30 hours. The experiment lasted for 60 days. Minor tissue damage (testes) was observed in fingerlings fed PSM at a level of 2h/kg while disintegration of a lot of cells occurred at increased dietary levels of PSM (4g and 6g per kg diet) which resulted to lack of spermatids and oocytes in the fish testes. Hence, it is useful in battling difficulties of over-population of tilapia in fish pond. Aside infertility, there were no observable contrary effect from pawpaw seeds consumption. Therefore, safe usage of 6 g PSM per kg diet for sixty (60) days is recommended for economic efficiency of fish farms. Further research is required on reducing the antinutrient substances (carpaine) in pawpaw seed so that it can be safely use as an additive in feeds.","PeriodicalId":253046,"journal":{"name":"International Journal of Aquaculture and Fishery Sciences","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128779052","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Bioremedial effect of turmeric (Curcuma longa) on haematological and biochemical parameters against fenvalerate induced toxicity in air-breathing fish Clarias batrachus 姜黄对氟氰菊酯致呼吸鱼血液学和生化指标的生物修复作用

International Journal of Aquaculture and Fishery Sciences Pub Date : 2020-06-18 DOI: 10.17352/2455-8400.000057

K. Pratibha, P. Kumar

引用次数: 8

Effect of phytase supplementation on labeo rohita fingerlings that are fed by phytase supplemented ddgs based diet 添加植酸酶对以添加植酸酶的ddgs为基础饲粮的鳙鱼鱼种的影响

International Journal of Aquaculture and Fishery Sciences Pub Date : 2020-01-01 DOI: 10.17352/2455-8400.000058

S. Akhtar, Iqra Zahoor, Samawia Yahya, Nimra Waseem, Sehrish Khan, A. Khalid, N. Iqbal, Saba Malik

{"title":"Effect of phytase supplementation on labeo rohita fingerlings that are fed by phytase supplemented ddgs based diet","authors":"S. Akhtar, Iqra Zahoor, Samawia Yahya, Nimra Waseem, Sehrish Khan, A. Khalid, N. Iqbal, Saba Malik","doi":"10.17352/2455-8400.000058","DOIUrl":"https://doi.org/10.17352/2455-8400.000058","url":null,"abstract":"Phytate is not hydrolyzed by fish because natural phytase activity not present in some agastric fishes, phytate is present in grain products as the main form of phosphorus. The present study was aimed to check the effect of phytase supplementation on muscle proximate composition in Labeo rohita fingerlings that are fed by phytase supplemented distiller’s dried grain with soluble. Six experimental diets were prepared by supplementing phytase at graded levels. D1 diet contains no supplemented phytase, while, D2, D3, D4, D5 contain 250, 500, 750, 1000, and 1250 FTU/kg phytase, respectively. The experiment continues for eight weeks. Water quality parameters including pH, temperature, and dissolved oxygen were controlled throughout the experiment. Results were analyzed through the Student-Newman-Keuls test for significant differences. Supplementation of phytase decreased the moisture and fat content of muscles in L. rohita fingerlings. Supplementation of phytase increases the crude protein and crude ash content of muscles in L. rohita fingerlings. In conclusion, phytase showed randomized responses to muscle composition.","PeriodicalId":253046,"journal":{"name":"International Journal of Aquaculture and Fishery Sciences","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132733310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Prevalence and Antimicrobial Susceptibility of Pathogenic Bacteria in Nile Tilapia, Oreochromis niloticus L 尼罗罗非鱼病原菌流行及药敏分析

International Journal of Aquaculture and Fishery Sciences Pub Date : 2019-11-04 DOI: 10.17352/2455-8400.000047

Begonesh Bekele, K. B. Workagegn, P. Natarajan

引用次数: 5

Effects of water depth on growth performance of Indian major carps at a poly culture system in Bangladesh 水深对孟加拉国多养殖系统中印度主要鲤鱼生长性能的影响

International Journal of Aquaculture and Fishery Sciences Pub Date : 2019-08-05 DOI: 10.17352/2455-8400.000046

H. A. Hosen, Koushik Sarker, M. S. Chhanda, N. Gupta

引用次数: 12

The impact of fish feeding habits and thermal conditions on plankton body size fluctuations: Commentary perspective 鱼类摄食习性和热条件对浮游生物体型波动的影响:评论观点

International Journal of Aquaculture and Fishery Sciences Pub Date : 2019-06-26 DOI: 10.17352/2455-8400.000045

M. Gophen

{"title":"The impact of fish feeding habits and thermal conditions on plankton body size fluctuations: Commentary perspective","authors":"M. Gophen","doi":"10.17352/2455-8400.000045","DOIUrl":"https://doi.org/10.17352/2455-8400.000045","url":null,"abstract":"The impact of Temperature and other physical parameters on the size of planktonic organisms is widely known. The paper is focused on the impact of fish feeding habits on the phytoplankton and zooplankton body size in Lake Kinneret. The issue is comparatively considered with its implications in the marine environment. The study is relevant within the actual global trend of climate change of warming impact on freshwater and marine biota. Principal conclusion is that the planktonic organisms body size, in freshwater or marine ecosystems, is a dependant of complex interaction with significant impact of fish feeding habits. The most common species, the Bleaks, is a zooplanktivorous feeder through all its life cycle stages; Young stages (<5g) of Sarotherodon galilaeus are zooplanktivore whilst older stages are filter feeders which preferably utilize Peridinium if available but increased density of zooplankton prey was documented since late 1990’s after the decline of Peridinium availability. The complexity of the processes involved include chemical, physical and biological conditions which are prominently related to temperature and fish consumption.","PeriodicalId":253046,"journal":{"name":"International Journal of Aquaculture and Fishery Sciences","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131371008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Timing of Landlocked Fall Chinook Salmon Spawning and Egg Survival 内陆奇努克鲑鱼产卵和卵存活的时间

International Journal of Aquaculture and Fishery Sciences Pub Date : 2019-02-22 DOI: 10.17352/2455-8400.000044

Nathan Huysman, J. Voorhees, H. Meyer, E. Krebs, M. E. Barnes

引用次数: 1