Journal of The World Aquaculture Society最新文献

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Re-emergent snakehead rhabdovirus in Thailand after two decades: Isolation and genomic characterization 二十年后泰国再次出现的蛇头横纹肌病毒:分离和基因组特征
IF 3.2 3区 农林科学
Journal of The World Aquaculture Society Pub Date : 2026-05-19 DOI: 10.1111/jwas.70103
Kitipong Angsujinda, Nabhasbhichayabha Daewang, Nopadon Pirarat, Timothy J. Mahony, Wanchai Assavalapsakul
{"title":"Re-emergent snakehead rhabdovirus in Thailand after two decades: Isolation and genomic characterization","authors":"Kitipong Angsujinda,&nbsp;Nabhasbhichayabha Daewang,&nbsp;Nopadon Pirarat,&nbsp;Timothy J. Mahony,&nbsp;Wanchai Assavalapsakul","doi":"10.1111/jwas.70103","DOIUrl":"https://doi.org/10.1111/jwas.70103","url":null,"abstract":"<p>Snakehead rhabdovirus (SHRV) is a novirhabdovirus associated with disease outbreaks in warm-water fish in Southeast Asia, including striped snakehead (<i>Channa striata</i>), but recent information on SHRV in Thai snakehead aquaculture remains limited. In May 2024, high mortality was reported in cultured snakehead from multiple farms in Suphan Buri, Thailand. Necropsy and histopathology results revealed severe, multifocal necrosis in the kidney, spleen, heart, and skin, consistent with a systemic viral disease. Virus isolated from pooled liver–spleen homogenate was propagated in E-11 cells, and reverse-transcription PCR identified the agent as SHRV. Transmission electron microscopy showed bacilliform virions approximately 180–200 × 60–70 nm. Following ultracentrifugation and sucrose purification, SDS-PAGE resolved four dominant viral proteins consistent with glycoprotein (G), nucleoprotein (N), phosphoprotein (P), and matrix protein (M), which were further confirmed by LC–MS/MS. Partial genome sequencing and analysis identified six coding regions (N, P, M, G, NV, L), and sequence comparison revealed amino acid differences relative to a previously reported regional SHRV strain (GenBank Accession NC_000903.1). SHRV-containing supernatants produced marked cytopathic effects in E-11 cells at a 10<sup>−10</sup> dilution within 24 h, and the purified virus was successfully titrated by plaque assay. Collectively, these findings document the re-emergence of SHRV in Thailand after more than two decades and provide a contemporary isolate with pathological, molecular, ultrastructural, and proteomic characterization to support improved surveillance, diagnostics, and farm biosecurity in snakehead aquaculture.</p>","PeriodicalId":17284,"journal":{"name":"Journal of The World Aquaculture Society","volume":"57 3","pages":""},"PeriodicalIF":3.2,"publicationDate":"2026-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jwas.70103","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148083732","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photoperiod modulates male sexual maturation in the Emperor tetra (Nematobrycon palmeri), a strictly tropical ornamental fish 光周期调节四皇鱼(Nematobrycon palmeri)的雄性性成熟,这是一种严格的热带观赏鱼
IF 3.2 3区 农林科学
Journal of The World Aquaculture Society Pub Date : 2026-05-17 DOI: 10.1111/jwas.70086
Lury N. García, Gabriele Lara, Germán E. Merino
{"title":"Photoperiod modulates male sexual maturation in the Emperor tetra (Nematobrycon palmeri), a strictly tropical ornamental fish","authors":"Lury N. García,&nbsp;Gabriele Lara,&nbsp;Germán E. Merino","doi":"10.1111/jwas.70086","DOIUrl":"https://doi.org/10.1111/jwas.70086","url":null,"abstract":"<p>Photoperiod manipulation is widely used to regulate reproduction in temperate fish species, but little is known about its effects in strictly tropical species. This study evaluated whether the Emperor tetra (<i>Nematobrycon palmeri</i>), a tropical ornamental fish, can modulate sexual maturation in response to artificial light regimes. Juveniles of both sexes (~1-month old) were exposed for 74 days to 4 light–dark cycles: 6L:18D, 12L:12D (control, representing natural equatorial conditions), 18L:6D, and 24L:0D. Illumination was provided by LED bulbs at 65 lux. Males under the 6L:18D treatment exhibited a significantly higher incidence of sexual maturation compared with the other groups (<i>p</i> &lt; 0.05). The 18L:6D regime also promoted earlier maturation relative to the control (<i>p</i> &lt; 0.10), whereas continuous light (24L:0D) delayed the onset of sexual dimorphism (<i>p</i> &lt; 0.05). Growth did not differ among treatments, confirming that rearing conditions were adequate. On the top of the fish's head, between the eyes, a translucent patch of skin with few melanophores may indicate the presence of a “pineal window,” supporting this species' capacity to perceive photoperiodic cues. These findings provide the first evidence that a strictly tropical ornamental fish can detect and respond to variations in photoperiod. Photoperiod manipulation, therefore, represents a simple and effective strategy to enhance reproductive performance in <i>N. palmeri</i>, with potential applications for sustainable ornamental fish culture.</p>","PeriodicalId":17284,"journal":{"name":"Journal of The World Aquaculture Society","volume":"57 3","pages":""},"PeriodicalIF":3.2,"publicationDate":"2026-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jwas.70086","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148083185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Induction of putative tetraploid larvae and analysis of unfertilized egg storage for burbot (Lota lota) 大菱鲆(Lota Lota)四倍体推定幼虫的诱导及未受精卵贮藏分析
IF 3.2 3区 农林科学
Journal of The World Aquaculture Society Pub Date : 2026-05-13 DOI: 10.1111/jwas.70094
Luke Oliver, Colby Johnson, Joseph Evavold, Kenneth Cain
{"title":"Induction of putative tetraploid larvae and analysis of unfertilized egg storage for burbot (Lota lota)","authors":"Luke Oliver,&nbsp;Colby Johnson,&nbsp;Joseph Evavold,&nbsp;Kenneth Cain","doi":"10.1111/jwas.70094","DOIUrl":"https://doi.org/10.1111/jwas.70094","url":null,"abstract":"<p>Burbot (<i>Lota lota</i>) are a promising candidate for commercial aquaculture production. Methods for captive culture are well understood, the species is highly regarded for its muscle, roe, liver, and skin, and its resistance to many salmonid pathogens coupled with the species' affinity to trout-like water quality conditions make burbot an attractive and novel cool/cold-water aquaculture species. Methods to store unfertilized burbot eggs and reliably and completely induce tetraploidy in a burbot cohort were investigated. After determining the respective first cleavage interval (FCI), three separate groups of burbot eggs were exposed to a hydrostatic shock of 7500 psi for 10 degree minutes (°C minutes) at 60, 65, 70, 75, 80, 85, 90, 95, or 100% FCI. To assess egg storage, unfertilized eggs from three separate females were collected and uniform groups were fertilized at 0, 12, 24, 36, and 48 h post removal from female. Utilizing a hydrostatic shock at 70% of the FCI resulted in 100% putative tetraploid induction, and survival was statistically similar (<i>p</i> ≥ 0.05) to unshocked control eggs. Unfertilized eggs stored at 4°C for up to 24 h exhibited &gt;25% relative survival at hatch relative to control eggs, fertilized directly after removal from the female. This research provides baseline data and a starting point for mass generation of burbot tetraploids. A tetraploid population capable of successful reproduction could simplify and improve production of sterile (triploid) fish by crossing tetraploid and triploid burbot. Additionally, findings presented here are the basis for further improving unfertilized burbot egg storage and may allow greater flexibility and ease in maintenance of maximum genetic diversity in a hatchery setting.</p>","PeriodicalId":17284,"journal":{"name":"Journal of The World Aquaculture Society","volume":"57 3","pages":""},"PeriodicalIF":3.2,"publicationDate":"2026-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jwas.70094","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148078101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Oyster (Crassostrea virginica) aquaculture in Texas: A comparison of the effects of density and gear type upon growth, shell shape, condition index and survival 德克萨斯州牡蛎养殖:密度和齿轮类型对牡蛎生长、壳形、状态指数和成活率影响的比较
IF 3.2 3区 农林科学
Journal of The World Aquaculture Society Pub Date : 2026-05-10 DOI: 10.1111/jwas.70096
Ellis L. Chapman Jr., Bailey E. Schacht, Joe M. Fox
{"title":"Oyster (Crassostrea virginica) aquaculture in Texas: A comparison of the effects of density and gear type upon growth, shell shape, condition index and survival","authors":"Ellis L. Chapman Jr.,&nbsp;Bailey E. Schacht,&nbsp;Joe M. Fox","doi":"10.1111/jwas.70096","DOIUrl":"https://doi.org/10.1111/jwas.70096","url":null,"abstract":"<p>Commercial oyster farming is a new industry in Texas. Because of this, few guidelines regarding management practices for producers have been established. The purpose of this study was to evaluate the effect of different gear types and stocking densities on various oyster production indices. A project site in Tres Palacios Bay, Texas was outfitted with two farm production systems, floating cages and adjustable longline baskets. Production units were stocked with ~32 mm seed oysters at three densities per system: 150, 200, and 250 per cage and 65, 70, and 90 per basket. Oysters were cultured for a period of 7 months and sampled monthly to determine survival and provide biometric indices of growth (e.g., shell length, shell height, shell width, total wet weight), condition index, and shell shape (e.g., fan ratio, cup ratio). Results for floating cages and adjustable longline baskets indicated high survival rates (98%–99%) with no significant differences (<i>p</i> ≥ 0.05) associated with stocking density, despite periods of extreme low temperature and salinity. Floating cages and baskets stocked at the highest stocking density showed significantly (<i>p</i> &lt; 0.05) greater shell length, height, width, and wet weight gain. Cup ratio and condition index were significantly (<i>p</i> &lt; 0.05) higher for both gear types stocked at the lowest stocking density. There was no significant difference (<i>p</i> ≥ 0.05) in fan ratio for oysters cultured using different gear types or at different densities. This study demonstrated that husbandry practices, as in other geographical locations, can have substantial impacts on production yields and could be used to accommodate consumer preferences in the new Texas oyster farming industry.</p>","PeriodicalId":17284,"journal":{"name":"Journal of The World Aquaculture Society","volume":"57 3","pages":""},"PeriodicalIF":3.2,"publicationDate":"2026-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jwas.70096","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148072994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Morphological ontogeny and growth patterns of gold-ringed octopus Amphioctopus fangsiao: Implications for aquaculture development 金环章鱼芳小角章鱼的形态、个体发生和生长模式:对水产养殖发展的启示
IF 3.2 3区 农林科学
Journal of The World Aquaculture Society Pub Date : 2026-05-06 DOI: 10.1111/jwas.70101
Juanwen Yu, Jinchao Zhu, Siqing Chen, Tianshi Zhang, Qing Chang, Li Bian
{"title":"Morphological ontogeny and growth patterns of gold-ringed octopus Amphioctopus fangsiao: Implications for aquaculture development","authors":"Juanwen Yu,&nbsp;Jinchao Zhu,&nbsp;Siqing Chen,&nbsp;Tianshi Zhang,&nbsp;Qing Chang,&nbsp;Li Bian","doi":"10.1111/jwas.70101","DOIUrl":"https://doi.org/10.1111/jwas.70101","url":null,"abstract":"<p>To evaluate the aquaculture potential and developmental characteristics of the holobenthic octopus <i>Amphioctopus fangsiao</i>, we conducted artificial breeding and continuous rearing of <i>Amphioctopus fangsiao</i> from hatching to 150 days post-hatching (dph) under laboratory conditions using broodstock collected from Fujian, China. The body weight increased from 0.156 ± 0.004 g at 1 dph to 42.343 ± 8.243 g at 150 dph, and the mantle length increased from 0.53 ± 0.02 cm to 3.93 ± 0.76 cm. The growth showed stage-dependent patterns, with length-related traits following logistic trends, while the body weight increased continuously without a clear asymptotic phase. Morphological and behavioral changes were also documented, including an increase in the sucker number from 26 to 30 at hatching to 110 at 150 dph. The species-specialized golden ring at the web base appeared at around 25 dph and darkened with stimulation, while chromatophores expanded across the body to enhance camouflage. This study provides the first comprehensive dataset on <i>A. fangsiao</i> juvenile development. Its benthic hatching, relatively short incubation period, and stable survival highlight its aquaculture potential in East Asia.</p>","PeriodicalId":17284,"journal":{"name":"Journal of The World Aquaculture Society","volume":"57 3","pages":""},"PeriodicalIF":3.2,"publicationDate":"2026-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jwas.70101","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148066859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A review of the uptake of sustainable climate-smart aquaculture in sub-Saharan Africa 对撒哈拉以南非洲可持续气候智能型水产养殖的吸收情况的审查
IF 3.2 3区 农林科学
Journal of The World Aquaculture Society Pub Date : 2026-04-29 DOI: 10.1111/jwas.70097
Arnold Ebuka Irabor, Toritseju Begho
{"title":"A review of the uptake of sustainable climate-smart aquaculture in sub-Saharan Africa","authors":"Arnold Ebuka Irabor,&nbsp;Toritseju Begho","doi":"10.1111/jwas.70097","DOIUrl":"https://doi.org/10.1111/jwas.70097","url":null,"abstract":"<p>As climate change reshapes agriculture and food systems across the globe, aquaculture in sub-Saharan Africa (SSA) is at a turning point. Sustainable climate-smart aquaculture (SCSAq) aims to make fish farming more productive, resilient to climate change, and environmentally friendly while also improving livelihoods and nutrition. This review collates and consolidates empirical findings on how SCSAq is being adopted across the region and what factors are driving or hindering its scalability. Drawing from recent studies (2015 to 2025), this paper identified key practices being used, such as recirculating systems, organic inputs, local feed production, and water-saving techniques. The paper also synthesizes existing findings on factors influencing uptake such as education, access to finance, institutional support, and environmental conditions. Major barriers such as high start-up costs, poor infrastructure, and limited knowledge were also identified. Finally, the wide impacts of SCSAq is discussed, showing how it can improve food security, incomes, and ecosystem health if effectively scaled up. This review highlights the need for inclusive policies, farmer-led innovation, and cross-sector collaboration to bridge the gap between science, policy, and practice. With the right support, SCSAq can play a significant part in building a more sustainable and climate-resilient pathway for aquaculture in SSA.</p>","PeriodicalId":17284,"journal":{"name":"Journal of The World Aquaculture Society","volume":"57 3","pages":""},"PeriodicalIF":3.2,"publicationDate":"2026-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jwas.70097","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148098965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Transcriptomic analysis reveals the hepatic response mechanisms of the Chinese spiny frog (Quasipaa spinosa) to Citrobacter freundii infection 转录组学分析揭示了中国棘蛙(Quasipaa spinosa)对弗氏柠檬酸杆菌感染的肝脏反应机制
IF 3.2 3区 农林科学
Journal of The World Aquaculture Society Pub Date : 2026-04-27 DOI: 10.1111/jwas.70100
Yanhong Li, Baohong Zhou, Yiran Lu, Yi Zang, Minghao Hu, Qiaochen Jin, Wenbin Fang, Shanjian Zheng
{"title":"Transcriptomic analysis reveals the hepatic response mechanisms of the Chinese spiny frog (Quasipaa spinosa) to Citrobacter freundii infection","authors":"Yanhong Li,&nbsp;Baohong Zhou,&nbsp;Yiran Lu,&nbsp;Yi Zang,&nbsp;Minghao Hu,&nbsp;Qiaochen Jin,&nbsp;Wenbin Fang,&nbsp;Shanjian Zheng","doi":"10.1111/jwas.70100","DOIUrl":"https://doi.org/10.1111/jwas.70100","url":null,"abstract":"<p>To elucidate the pathogen and host response mechanisms underlying mass mortality in <i>Quasipaa spinosa</i>, dominant bacteria were isolated from diseased individuals and identified as <i>Citrobacter freundii</i> by morphological, physiological, and biochemical characterization, 16S <i>rRNA</i> sequencing, and phylogenetic analysis. The median lethal dose (LD<sub>50</sub>) of this bacterium for <i>Q. spinosa</i> was determined to be 4.65 × 10<sup>5</sup> CFU/mL through experimental infection. The histopathological examination revealed that the liver showed significant vacuolar degeneration, necrosis, and thrombosis. Transcriptome sequencing identified 2404 differentially expressed genes (DEGs) (1338 up-regulated and 1066 down-regulated). DEGs were significantly enriched in protein processing in the endoplasmic reticulum, cytochrome P450-mediated xenobiotic metabolism, and the PPAR signaling pathway. Key immune genes (<i>HSP70</i> and <i>Bax</i>) were markedly up-regulated, whereas the negative regulator (<i>TRIM25</i>) was down-regulated. Reverse Transcription Quantitative PCR (RT-qPCR) validation was highly consistent with the RNA-seq data. This study systematically revealed how <i>Q. spinosa</i> resists <i>C. freundii</i> infection by activating innate immunity, apoptosis, and metabolic reprogramming, providing theoretical insights and candidate molecular targets for the prevention and control of bacterial diseases in amphibians.</p>","PeriodicalId":17284,"journal":{"name":"Journal of The World Aquaculture Society","volume":"57 3","pages":""},"PeriodicalIF":3.2,"publicationDate":"2026-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jwas.70100","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148092288","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Denitrification performance, kinetics, and microbial community of methanol-driven heterotrophic denitrification processes for treating nitrate-rich water in recirculating mariculture system 甲醇驱动异养反硝化过程处理循环水养殖系统中富硝酸盐水的反硝化性能、动力学和微生物群落
IF 3.2 3区 农林科学
Journal of The World Aquaculture Society Pub Date : 2026-04-25 DOI: 10.1111/jwas.70098
Lu Wang, Aijun Zhang, Yongfu Li, Shuyang Shen, Jun Liu, Hongwu Cui
{"title":"Denitrification performance, kinetics, and microbial community of methanol-driven heterotrophic denitrification processes for treating nitrate-rich water in recirculating mariculture system","authors":"Lu Wang,&nbsp;Aijun Zhang,&nbsp;Yongfu Li,&nbsp;Shuyang Shen,&nbsp;Jun Liu,&nbsp;Hongwu Cui","doi":"10.1111/jwas.70098","DOIUrl":"https://doi.org/10.1111/jwas.70098","url":null,"abstract":"<p>Large-scale application of methanol-driven heterotrophic denitrification (MHD) biofilms to recirculating mariculture systems (RMSs) is constrained by the requirement of precise methanol dosage. The emergence of intelligent aquaculture offers an opportunity to address this challenge, necessitating a comprehensive understanding of the denitrification performance, kinetics, and microbial community of MHD biofilm reactors during the treatment of nitrate (NO<sub>3</sub><sup>−</sup>-N)-rich RMS water. Therefore, this study conducted a systematic investigation on an MHD biofilm reactor for water purification in RMSs. Results show that the MHD biofilm reactor effectively eliminated NO<sub>3</sub><sup>−</sup>-N with removal efficiencies of 53.0%–98.4% and rates of 66.77–643.73 mg L<sup>−1</sup> day<sup>−1</sup>. Complete denitrification was the dominant process of NO<sub>3</sub><sup>−</sup>-N removal in the MHD bioreactor; however, partial denitrification (PD) and dissimilatory nitrate reduction to ammonium (DNRA) were also observed. Higher carbon-to-nitrogen (C/N) ratio (0.5–2.5), hydraulic retention times (HRT) (0.5–4.0 h), and temperatures (10–30°C) and lower influent NO<sub>3</sub><sup>−</sup>-N concentrations (25–100 mg L<sup>−1</sup>) facilitated complete denitrification, whereas higher influent dissolved oxygen (DO) (4.0–6.5 mg L<sup>−1</sup>) slightly enhanced PD. These parameters had little impact on DNRA. The NO<sub>3</sub><sup>−</sup>-N and nitrite distributions along packing height followed a first-order model and a first-order consecutive reaction model, respectively, with their rate constants depending on the operational parameters. Enrichment cultivation, reactor start-up, and reactor operation promoted the proliferation of <i>Methylophaga</i>, rendering it the dominant bacterial genus in the biofilm and the primary functional group for MHD. Lesser genera (e.g., <i>Methanolobus</i>, <i>Methylomicrobium</i>, <i>Sulfurimonas</i>, and <i>Marinicella</i>) also contributed to niche differentiation and elemental cycling in the MHD bioreactor.</p>","PeriodicalId":17284,"journal":{"name":"Journal of The World Aquaculture Society","volume":"57 3","pages":""},"PeriodicalIF":3.2,"publicationDate":"2026-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jwas.70098","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148092617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fish health, environmental contaminants, and disease management in Ghanaian aquaculture: A systematic review 加纳水产养殖中的鱼类健康、环境污染物和疾病管理:系统综述
IF 3.2 3区 农林科学
Journal of The World Aquaculture Society Pub Date : 2026-04-25 DOI: 10.1111/jwas.70093
Addo Samuel, Dabi Michael, Anyan Kofi Ferni, Duodu Samuel, Duodu Collins Prah, Diyie Rhoda Lims
{"title":"Fish health, environmental contaminants, and disease management in Ghanaian aquaculture: A systematic review","authors":"Addo Samuel,&nbsp;Dabi Michael,&nbsp;Anyan Kofi Ferni,&nbsp;Duodu Samuel,&nbsp;Duodu Collins Prah,&nbsp;Diyie Rhoda Lims","doi":"10.1111/jwas.70093","DOIUrl":"https://doi.org/10.1111/jwas.70093","url":null,"abstract":"<p>Fish health significantly influences aquaculture productivity, sustainability, food security, and public health. Despite Ghana's rapid aquaculture expansion, the sector remains constrained by widespread disease outbreaks and environmental threats. This systematic review synthesizes existing literature (2010–2024) to comprehensively assess fish health issues, management practices, diagnostic capabilities, environmental threats, and policy implications in Ghana. Following PRISMA guidelines, 65 eligible studies were selected from an initial 386 records and critically appraised using the Mixed Methods Appraisal Tool (MMAT). Findings indicate that bacterial pathogens (notably <i>Streptococcus</i> and <i>Aeromonas</i> spp.), viral infections such as Infectious Spleen and Kidney Necrosis Virus (ISKNV), parasitic infestations, and emerging fungal pathogens constitute major disease threats. Environmental stressors such as heavy metals, pesticides, and microplastics were frequently detected in aquaculture-associated water bodies, raising ecological and food safety concerns. Although molecular diagnostic tools are increasingly being adopted, national diagnostic coverage remains uneven. Widespread antibiotic misuse, weak biosecurity implementation, and regulatory gaps further exacerbate fish health risks. This review provides the first integrated synthesis linking disease epidemiology, environmental contamination, diagnostic capacity, farmer practices, and governance challenges within Ghana's aquaculture sector. Strengthening surveillance systems, improving diagnostic infrastructure, enhancing farmer training, and enforcing regulatory frameworks are essential to improving resilience and sustainability. The findings offer policy-relevant insights applicable to emerging aquaculture systems across sub-Saharan Africa and other developing regions.</p>","PeriodicalId":17284,"journal":{"name":"Journal of The World Aquaculture Society","volume":"57 3","pages":""},"PeriodicalIF":3.2,"publicationDate":"2026-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jwas.70093","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148091094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IF 3.2 3区 农林科学
{"title":"","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":17284,"journal":{"name":"Journal of The World Aquaculture Society","volume":"57 2","pages":""},"PeriodicalIF":3.2,"publicationDate":"2026-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148086422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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