Aquaculture International最新文献

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A sustainable solution: mitigating aquatic herbicide contamination through natural product interventions 一个可持续的解决方案:通过天然产品干预减轻水生除草剂污染
IF 2.2 3区 农林科学
Aquaculture International Pub Date : 2025-01-22 DOI: 10.1007/s10499-025-01823-1
Madhumitha Vijayanand, Praveen Kumar Issac, Manikandan Velayutham, Paramasivam Deepak, Nathiya Thiyagarajulu, Mir Waqas Alam, Ajay Guru
{"title":"A sustainable solution: mitigating aquatic herbicide contamination through natural product interventions","authors":"Madhumitha Vijayanand,&nbsp;Praveen Kumar Issac,&nbsp;Manikandan Velayutham,&nbsp;Paramasivam Deepak,&nbsp;Nathiya Thiyagarajulu,&nbsp;Mir Waqas Alam,&nbsp;Ajay Guru","doi":"10.1007/s10499-025-01823-1","DOIUrl":"10.1007/s10499-025-01823-1","url":null,"abstract":"<div><p>Herbicides are widely employed in agriculture to manage weeds and enhance crop yields, but their extensive use raises significant environmental and human health concerns. Exposure to herbicides can occur through multiple pathways, including ingesting contaminated food and water, inhaling airborne particles, and dermal contact during application. This review delves into the intricate dynamics of herbicide pollution in agriculture, examining their classification, modes of exposure, and impacts on plants, animals, and humans. This study also deals with the mechanisms by which herbicides contribute to adverse health outcomes, such as cellular damage and cancer. To address these risks, this review looks at more sustainable ways to manage weeds, focusing on practical and natural alternatives to chemical herbicides. These include traditional farming techniques, hands-on mechanical methods, and biological agents. Integrated weed management (IWM) is a holistic approach that combines these techniques to reduce herbicide resistance and environmental degradation. The natural alternative method is the use of bioherbicides, derived from live microorganisms or their metabolic byproducts known to stand out as eco-friendly and targeted solutions for weed control. This review emphasizes the need for sustainable practices to balance effective weed management and the preservation of environmental and human health. This paves the path for innovative and sustainable solutions to aquatic herbicide pollution through natural product-based interventions. This study emphasizes the importance of integrated techniques for achieving sustainable agriculture while minimizing environmental and health risks.</p></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 2","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995759","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
Waste not, want not: unlocking the innovative potential of organic and eco-friendly insect and algal resources for future aquaculture 不浪费,不匮乏:为未来水产养殖释放有机和生态友好型昆虫和藻类资源的创新潜力
IF 2.2 3区 农林科学
Aquaculture International Pub Date : 2025-01-22 DOI: 10.1007/s10499-024-01814-8
Sourabh Debbarma, Suparna Deb, Nitesh Kumar Yadav, Shubham Kashyap, Payel Debbarma, Bagthasingh Chrisolite, Yilbong Yirang, Dharmendra Kumar Meena, Soibam Khogen Singh, Tanmoy Gon Choudhury, Arun Bhai Patel
{"title":"Waste not, want not: unlocking the innovative potential of organic and eco-friendly insect and algal resources for future aquaculture","authors":"Sourabh Debbarma,&nbsp;Suparna Deb,&nbsp;Nitesh Kumar Yadav,&nbsp;Shubham Kashyap,&nbsp;Payel Debbarma,&nbsp;Bagthasingh Chrisolite,&nbsp;Yilbong Yirang,&nbsp;Dharmendra Kumar Meena,&nbsp;Soibam Khogen Singh,&nbsp;Tanmoy Gon Choudhury,&nbsp;Arun Bhai Patel","doi":"10.1007/s10499-024-01814-8","DOIUrl":"10.1007/s10499-024-01814-8","url":null,"abstract":"<div><p>The aquaculture industry urgently requires sustainable protein sources to address the environmental, economic, and ethical challenges of conventional fishmeal. Rising feed costs, particularly for protein-rich ingredients, highlight the need for cost-effective, high-quality, and resource-efficient alternatives. Insect-based feeds, such as black soldier fly (BSF) larvae, and microalgae have emerged as promising solutions. BSF larvae provide protein, lipids, and minerals, offering significant cost savings and enhanced growth in aquaculture species. Similarly, microalgae, rich in essential amino acids, lipids, vitamins, and pigments, supports digestibility and aquaculture sustainability while lowering production costs and environmental impacts. Microalgae biorefineries further promote a circular economy by maximizing resource utilization and minimizing waste. This review examines the potential of insect-based and microalgae feeds as sustainable alternatives to fishmeal, addressing their advantages and challenges. It emphasizes their role in enhancing aquaculture production, improving resource efficiency, and contributing to global food security.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 2","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995801","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
Effects of Tribulus terrestris extract and 17 α-methyl testosterone on masculinization, growth, economic efficiency and health assessment of Nile tilapia (Oreochromis niloticus) 蒺藜提取物和17 α-甲基睾酮对尼罗罗非鱼雄性化、生长、经济效益及健康评价的影响
IF 2.2 3区 农林科学
Aquaculture International Pub Date : 2025-01-22 DOI: 10.1007/s10499-024-01817-5
Habib Ul Hassan, Amjad Ali, Basim S. A. Al Sulivany, Muhammad Kabir, Roohi Kanwal, Mohammad Z. Ahmed, Rizwana Abdul Ghaffar, Meer Zeeshan Ijaz, Naseem Rafiq, Mary Mahwish, Mohammad Abdul Momin Siddique
{"title":"Effects of Tribulus terrestris extract and 17 α-methyl testosterone on masculinization, growth, economic efficiency and health assessment of Nile tilapia (Oreochromis niloticus)","authors":"Habib Ul Hassan,&nbsp;Amjad Ali,&nbsp;Basim S. A. Al Sulivany,&nbsp;Muhammad Kabir,&nbsp;Roohi Kanwal,&nbsp;Mohammad Z. Ahmed,&nbsp;Rizwana Abdul Ghaffar,&nbsp;Meer Zeeshan Ijaz,&nbsp;Naseem Rafiq,&nbsp;Mary Mahwish,&nbsp;Mohammad Abdul Momin Siddique","doi":"10.1007/s10499-024-01817-5","DOIUrl":"10.1007/s10499-024-01817-5","url":null,"abstract":"<div><p> Monosex (male) Nile tilapia had three times better growth than the female. The excessive and unobservable use of hormones for fish production and sex reversal negatively affects fish production, profitability, fish, and human health but the optimum MT and TTE intake has a favorable impact on fish growth, health and profitability. Fish sex reversal has been significantly affected by phytochemicals, which are currently being investigated as a natural alternative agent. Thus, this study aimed to investigate the effects of dietary inclusion of <i>Tribulus terrestris</i> extracts (TTE) and 17α-methyl testosterone on sex reversal, growth performance, survivability, and adaptability for Nile tilapia. A 66-day trial was conducted with four formulated diets: T1 (40 mg/kg of 17α-MT + TTE), T2 (50 mg/kg of 17α-MT + TTE), T3 (60 mg/kg of 17α-MT + TTE) and a control diet (T4). The fish were fed 36% dietary protein and daily ration of feed ranged from 10 to 14% of their body weight and feeding frequency up to eight times a day. Eight hundred healthy seeds (0.02 ± 0.01 g initial weight) were randomly distributed (2000 fish/tank) in four concrete tanks (548 cm × 213 cm × 100 cm) each; length × width × depth). The maximum weight gain (WG), final body length (FBL), final body weight (FBW), average daily weight gain (ADWG), survival rate (SR), specific growth rate (SGR), sex reversal, profitability and lower feed conversion ratio (FCR) of Nile tilapia were recorded in T2, significantly varied compared to the other treatments (<i>p</i> &lt; 0.05). The highest percentage (100%) of tilapia males was observed in T2, which was significantly different from other treatments (<i>p</i> &lt; 0.05). T2 (50 mg kg<sup>−1</sup> of 17α-MT + TTE) showed the highest growth in Nile tilapia and had a major impact on fish health, blood, and morphological indices. The phenomenal regression also indicated that the T2 dose is optimum for 100% <i>Oreochromis niloticus </i>mono-sex seed production.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 2","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995363","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
Investigation of influential parameters in rainbow trout aquaculture based on robust mass production planning 基于稳健批量生产计划的虹鳟鱼养殖影响参数研究
IF 2.2 3区 农林科学
Aquaculture International Pub Date : 2025-01-21 DOI: 10.1007/s10499-025-01822-2
Zahra Sadaghiani Farimani, Hossein Karimi, Mohsen Ziaee
{"title":"Investigation of influential parameters in rainbow trout aquaculture based on robust mass production planning","authors":"Zahra Sadaghiani Farimani,&nbsp;Hossein Karimi,&nbsp;Mohsen Ziaee","doi":"10.1007/s10499-025-01822-2","DOIUrl":"10.1007/s10499-025-01822-2","url":null,"abstract":"<div><p>This paper presents a new model of production planning in rainbow trout aquaculture that aims at improving resource usage and enhancing decision-making accuracy in an effort to reduce costs and provide methods for application when dealing with uncertainty. The model caters for such operational issues as right juvenile fish purchases, fish growth rates, and the right time to harvest the fishes given capacities and mortality rate. Using a case study in Iran, both deterministic and uncertain conditions were employed in the implementation of the model, to gain a better understanding of how the production can be optimized in order to have the least cost and the highest profit rate. The paper showed the application potential of the model for fish farm managers by providing strategic insights and tools for cost minimization and risk management in an uncertain environment. The study emphasizes optimizing fish growth rates, mortality, and harvesting within fishpond capacity and market demand constraints. The findings revealed that incorporating uncertainty led to a cost increase of 20%, demonstrating the model’s resilience and applicability. Sensitivity analyses highlighted demand, growth, and mortality as critical factors influencing aquaculture efficiency.</p></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 2","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995553","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
Tachykinin regulates the innate immunity and disease resistance in Scylla paramamosain 速激肽调节Scylla paramamosain的先天免疫和抗病能力
IF 2.2 3区 农林科学
Aquaculture International Pub Date : 2025-01-20 DOI: 10.1007/s10499-025-01838-8
Yong Wang, Fei Zhu
{"title":"Tachykinin regulates the innate immunity and disease resistance in Scylla paramamosain","authors":"Yong Wang,&nbsp;Fei Zhu","doi":"10.1007/s10499-025-01838-8","DOIUrl":"10.1007/s10499-025-01838-8","url":null,"abstract":"<div><p>Tachykinin, a class of neuropeptides known for their direct interaction with vascular endothelial cells, plays a role in several essential physiological processes. This study aimed to investigate the role of tachykinin in the innate immunity of crustaceans, with a specific focus on hemocyte proliferation. RNA interference technology was employed to knock down tachykinin expression in <i>Scylla paramamosain</i> using tachykinin-dsRNA. The real-time quantitative PCR results demonstrated that the expression levels of <i>proPO</i>, <i>β-actin</i>, <i>astakine</i>, <i>crustin antimicrobial peptide (CAP)</i>, <i>JAK</i>, and <i>STAT</i> were downregulated following the knockdown of tachykinin, but <i>myosin</i>, <i>toll-like receptor (TLR)</i>, and <i>MCM7</i> expressions were upregulated. Following tachykinin knockdown, the enzyme activities of phenoloxidase (PO), peroxidase (POD), lysozyme (LZM), acid phosphatase (ACP), catalase (CAT), and total hemocyte counts were reduced in <i>S. paramamosain</i>. The flow cytometry data indicated that tachykinin knockdown enhanced the phagocytosis and apoptosis rate of crab hemocytes and decreased hemocyte proliferation. And survival analysis showed that tachykinin knockdown increased the mortality rate of <i>S. paramamosain</i> post-infection with <i>Vibrio alginolyticus</i>. These findings suggest that tachykinin may play a regulatory role in hemocyte proliferation and influence the innate immune response in <i>S. paramamosain</i>. Additionally, tachykinin significantly affected the survival rate of crabs even in the absence of <i>V. alginolyticus</i> challenge, suggesting its vital role for the survival of <i>S. paramamosain</i>. In conclusion, our study provides further insights into the important role of tachykinin in the innate immunity and hemocyte proliferation of <i>S</i>. <i>paramamosain</i>.</p></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 2","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995329","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
Bacillus subtilis probiotic enhances ornamental fish survival through ammonia detoxification 枯草芽孢杆菌益生菌通过氨解毒提高观赏鱼的存活率
IF 2.2 3区 农林科学
Aquaculture International Pub Date : 2025-01-18 DOI: 10.1007/s10499-025-01826-y
Luo-tao Tao, Dai-min Wei, Ben Niu, Han Lu, Jing Xiong, Wu-wen Sun, Xiao-feng Shan
{"title":"Bacillus subtilis probiotic enhances ornamental fish survival through ammonia detoxification","authors":"Luo-tao Tao,&nbsp;Dai-min Wei,&nbsp;Ben Niu,&nbsp;Han Lu,&nbsp;Jing Xiong,&nbsp;Wu-wen Sun,&nbsp;Xiao-feng Shan","doi":"10.1007/s10499-025-01826-y","DOIUrl":"10.1007/s10499-025-01826-y","url":null,"abstract":"<div><p>Ammonia nitrogen (NH<sub>3</sub>-N) pollution poses a critical challenge to global aquaculture sustainability. Here, we report the isolation and characterization of <i>Bacillus subtilis</i> DM115, a novel probiotic strain that demonstrates exceptional NH<sub>3</sub>-N degradation capabilities in ornamental fish aquaculture. Under optimized conditions, DM115 achieved 98.45% NH<sub>3</sub>-N reduction within 24 h, while exhibiting broad-spectrum antimicrobial activity against major aquaculture pathogens with minimal antibiotic resistance. In vivo studies using koi (<i>Cyprinus rubrofuscus haematopterus</i>) revealed that DM115 not only effectively reduced NH<sub>3</sub>-N levels to 0.25 mg/L (99.37% efficiency) but also significantly enhanced fish survival (86.67%) through modulation of antioxidant enzyme activities and inflammatory response pathways. Our findings establish DM115 as a promising probiotic agent for sustainable aquaculture water quality management, offering an environmentally conscious alternative to conventional treatment methods.</p></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 2","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995300","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
Correction to: Influence of astaxanthin‑enriched Haematococcus pluvialis microalgae on the growth efficacy, immune response, antioxidant capacity, proinflammatory cytokines, and tissue histomorphology of hybrid red tilapia 修正:富含虾青素的雨红球菌微藻对杂交红罗非鱼生长功效、免疫反应、抗氧化能力、促炎细胞因子和组织形态学的影响
IF 2.2 3区 农林科学
Aquaculture International Pub Date : 2025-01-17 DOI: 10.1007/s10499-025-01831-1
Elsayed A. A. Eldessouki, Gehad E. Elshopakey, Samia Elbahnaswy, Medhat S. Shakweer, Abdelwahab A. Abdelwarith, Elsayed M. Younis, Simon J. Davies, Amira Mili, Yasmin M. Abd El‑Aziz, Sameh A. Abdelnour, El‑Sayed Hemdan Eissa
{"title":"Correction to: Influence of astaxanthin‑enriched Haematococcus pluvialis microalgae on the growth efficacy, immune response, antioxidant capacity, proinflammatory cytokines, and tissue histomorphology of hybrid red tilapia","authors":"Elsayed A. A. Eldessouki,&nbsp;Gehad E. Elshopakey,&nbsp;Samia Elbahnaswy,&nbsp;Medhat S. Shakweer,&nbsp;Abdelwahab A. Abdelwarith,&nbsp;Elsayed M. Younis,&nbsp;Simon J. Davies,&nbsp;Amira Mili,&nbsp;Yasmin M. Abd El‑Aziz,&nbsp;Sameh A. Abdelnour,&nbsp;El‑Sayed Hemdan Eissa","doi":"10.1007/s10499-025-01831-1","DOIUrl":"10.1007/s10499-025-01831-1","url":null,"abstract":"","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 2","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995040","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
Crossbreeding of three selected strains of Crassostrea gigas reveals heterosis in survival and growth 对所选的3个长牡蛎品系进行杂交,发现它们在生存和生长方面具有杂种优势
IF 2.2 3区 农林科学
Aquaculture International Pub Date : 2025-01-17 DOI: 10.1007/s10499-025-01835-x
Kunyin Jiang, Fangjian Dou, Qi Li
{"title":"Crossbreeding of three selected strains of Crassostrea gigas reveals heterosis in survival and growth","authors":"Kunyin Jiang,&nbsp;Fangjian Dou,&nbsp;Qi Li","doi":"10.1007/s10499-025-01835-x","DOIUrl":"10.1007/s10499-025-01835-x","url":null,"abstract":"<div><p>Genetic improvement via crossbreeding has been widely used in aquaculture production. In this study, we conducted intraspecific hybridization using three consecutive generation selected strains of <i>Crassostrea gigas</i> from China (C), Japan (J), and South Korea (K). Six hybrid lines and three purebred lines were constructed and their growth and survival rates were recorded to evaluate the heterosis and combining ability. The crosses of CJ (C♀ × J♂) and CK (C♀ × K♂) displayed higher heterosis for survival and growth during the larval to the adult stage. Specifically, the survival and growth rates of CK improved by 45.41% and 13.97%, respectively, compared to the KK group. At the grow-out stage, the survival rate and shell height of CJ were 34.23% and 15.87% higher than the JJ group. The general combining ability (GCA) of strain C was consistently positive at various ages, ranging from 1.36 to 4.68. The special combining ability (SCA) of the six hybrid combinations varied with age, yet the CJ and CK cross consistently maintained positive SCA values. These results indicate that strain C is a superior parental line and that CJ and CK represent optimal hybrid combinations. By crossing selected oyster lines, hybrids with enhanced survival and growth performance can be produced.</p></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 2","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995036","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
Assessing the influence of sociodemographic factors on biofloc technology adoption for sustainable water management in aquaculture: the case of shrimp farmers in Jiangsu and Shandong provinces, China 评估社会人口因素对水产养殖中可持续水管理中采用生物絮团技术的影响:以中国江苏和山东省虾农为例
IF 2.2 3区 农林科学
Aquaculture International Pub Date : 2025-01-17 DOI: 10.1007/s10499-024-01790-z
Kodjo N’Souvi, Jingwei Sun, Yu Si, Chen Sun
{"title":"Assessing the influence of sociodemographic factors on biofloc technology adoption for sustainable water management in aquaculture: the case of shrimp farmers in Jiangsu and Shandong provinces, China","authors":"Kodjo N’Souvi,&nbsp;Jingwei Sun,&nbsp;Yu Si,&nbsp;Chen Sun","doi":"10.1007/s10499-024-01790-z","DOIUrl":"10.1007/s10499-024-01790-z","url":null,"abstract":"<div><p>Shrimp aquaculture likewise other aquatic species farming uses large quantities of water, which is generally discharged without treatment, often causing water scarcity and environmental contamination. Biofloc technology (<i>BFT</i>) is a sustainable aquaculture option, which helps reduce excessive use of water and recycle food waste, and harmful organic and inorganic compounds from the system, serving as natural food for cultured aquatic organisms. Considering this, the present investigation was undertaken in the Rudong and Donggang districts of Jiangsu and Shandong provinces to study the adoption level of biofloc technology among shrimp aquafarmers. Data was collected through structured interviews with 81 shrimp aquafarmers. The use of the Probit and Tobit modeling approaches identified sociodemographic factors such as the proportion of shrimp aquaculture income in the total household income, the farm-gate price, extension services, insurance, and farming experience as significant determinants of the biofloc technology adoption and the investment amount, as well. Moreover, both the adoption decision and the amount invested in the biofloc technology were negatively affected by factors of farmer’s age and the use of Chinese medicines in the ponds. The study thus recommends more support and government investment in aquaculture insurance policies and frequent extension visits to the farmers, which will help optimize the potential impact on the adoption of sustainable technologies such as biofloc systems in shrimp aquaculture.</p></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 2","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995039","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
Use of the essential oil of Thymus vulgaris (thyme) and its nanoemulsion as sedatives during tambaqui (Colossoma macropomum) transport: water quality, survival and physiology 百里香精油及其纳米乳剂在巨像(Colossoma macropomum)运输过程中的镇静作用:水质、存活和生理
IF 2.2 3区 农林科学
Aquaculture International Pub Date : 2025-01-17 DOI: 10.1007/s10499-025-01834-y
Túlio Pacheco Boaventura, Fábio Aremil Costa dos Santos, Paulo Edson Camilo Mol de Oliveira, Núbia Gomes Braga, Yhago Patricky Antunes Souza Assis, Juliano Elvis de Oliveira, Ronald Kennedy Luz, Gisele Cristina Favero
{"title":"Use of the essential oil of Thymus vulgaris (thyme) and its nanoemulsion as sedatives during tambaqui (Colossoma macropomum) transport: water quality, survival and physiology","authors":"Túlio Pacheco Boaventura,&nbsp;Fábio Aremil Costa dos Santos,&nbsp;Paulo Edson Camilo Mol de Oliveira,&nbsp;Núbia Gomes Braga,&nbsp;Yhago Patricky Antunes Souza Assis,&nbsp;Juliano Elvis de Oliveira,&nbsp;Ronald Kennedy Luz,&nbsp;Gisele Cristina Favero","doi":"10.1007/s10499-025-01834-y","DOIUrl":"10.1007/s10499-025-01834-y","url":null,"abstract":"<div><p>This study investigated the use of the essential oil of <i>Thymus vulgaris</i> (EOTV) and its nanoemulsion (NEOTV) as sedatives during the transport of juvenile <i>Colossoma macropomum</i> (30.2 ± 3.90 g and 11.8 ± 0.8 cm). The EOTV was characterized by gas chromatography, while the NEOTV was prepared by sonication and characterized by zeta potential. Six treatments were evaluated: a basal treatment with blood collection from 10 juveniles without transport management, and five treatments with transport, with three replicates each (transport bags), containing the following: 0 (control), 10 mg/L of EOTV, 20 mg/L of EOTV, 10 mg/L of NEOTV and 20 mg/L of NEOTV. The juveniles were transported for 4 h in 10-L plastic bags with 6 L of water and pure oxygen supplementation, at a density of 10 juveniles per bag. Water quality parameters were measured immediately after opening the bags post-transport. Blood samples were collected from 10 juveniles from each treatment immediately at 24 h and 72 h after transport. The EOTV presented p-cymene (47.63%) and carvacrol (30.44%) as major components, and the NEOTV presented particles with an average diameter of less than 100 nm. There was no mortality during the experiment. The water in the bags of juveniles transported with 20 mg/L of EOTV, 10 mg/L of NEOTV, and 20 mg/L of NEOTV presented lower temperatures than the control. In addition, the water in the bags with 20 mg/L of NEOTV presented higher concentrations of dissolved oxygen than the control. Juveniles transported with 20 mg/L of EOTV, 10 mg/L of NEOTV, and 20 mg/L of NEOTV exhibited lower hemoglobin, hematocrit, and glucose levels after transport. It is concluded that, overall, NEOTV is more effective than EOTV. The use of 20 mg/L of NEOTV in the water is recommended to reduce oxygen consumption and avoid hyperglycemia during the transport of juvenile <i>C. macropomum</i>.</p></div>","PeriodicalId":8122,"journal":{"name":"Aquaculture International","volume":"33 2","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142995038","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}
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