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Journal articles on the topic 'Extensive fish farming'

Author: Grafiati

Published: 30 November 2024

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1

Amian, Atsé Franck, Eboua Narcisse Wandan, Melecony Célestin Blé, Adja Ferdinand Vanga, and Pierre Joseph Assi Kaudhjis. "Etude Des Determinants Socioeconomiques Et Techniques De La Psciculture Extensive En Cote D’ivoire." European Scientific Journal, ESJ 13, no. 6 (2017): 389. http://dx.doi.org/10.19044/esj.2017.v13n6p389.

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The contribution of fish farming is relatively low in the national consumption of fish products. Yet the country has a significant socio-natural potential, which well valued can reduce fish imports and enhance food security. This study, based on a survey conducted in the two main areas of extensive fish farming (Central West and Southwest), was to analyze the technical and socioeconomic determinants of family fish farming to support the dynamic development of this activity. The results showed that 98% of fish farmers are men of 51 to 60 years old. Most of them are illiterate practicing agricul

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SHINDE, ADITYA. "Design and Manufacturing of Solar Operated Automatic Fish Feeder System." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 05 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem33180.

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One of the most significant aqua cultural endeavors to date is fish farming. Traditionally, the majority of fish feeding is done by hand, requiring the transportation of people to the feeding location. Fish feeding by hand requires more work, money, and time. Following an extensive survey of farmers across various regions regarding their approaches to fish farming, the Auto Switch Food Feeder, which utilizes new technologies to replace traditional farming methods, will automate farming practices. The design of the solar-powered fish feeder will be based on certain parameters, such as the capac

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Малыгина, Валентина, Ксения Антошина та Татьяна Гончарова. "О развитии рыбного хозяйства Донецкой Народной Республики путем организации рыбоводства речных рыб". ИЗВЕСТИЯ ДАЛЬНЕВОСТОЧНОГО ФЕДЕРАЛЬНОГО УНИВЕРСИТЕТА. ЭКОНОМИКА И УПРАВЛЕНИЕ, № 3 (2020): 87–97. http://dx.doi.org/10.24866/2311-2271/2020-3/87-97.

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В статье раскрыта необходимость развития рыбного хозяйства Донецкой Народной Республики (далее – ДНР) путем организации рыбоводства речных рыб, пояснены причины трансформации потребительского рынка пищевых продуктов в сегменте рыбы и рыбных товаров, приведена характеристика технологий и способов разведения рыбы, проведены расчеты стоимости одного килограмма рыбы, выращенной экстенсивным и полуэкстенсивным способами. The paper discloses the necessity to develop the fisheries in the Donetsk People's Republic by organizing river fish farming, explains the reasons for the consumer food market tran

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Tulli, Francesca, José M. Moreno-Rojas, Concetta Maria Messina, et al. "The Use of Stable Isotope Ratio Analysis to Trace European Sea Bass (D. labrax) Originating from Different Farming Systems." Animals 10, no. 11 (2020): 2042. http://dx.doi.org/10.3390/ani10112042.

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This study aimed to determine whether isotopic ratio mass spectrometry (IRMS) can discriminate farmed European sea bass according to different farming systems and geographic origins. Dicentrarchus labrax of commercial size from three different rearing systems (concrete tank inland, sea cages, and extensive methods in valleys or salt works) were collected at the trading period (autumn–winter). For each farming type, different locations spread over Italy were monitored. Once the fish were harvested, the muscle and feed were sampled. For both muscle and feed, δ13C and δ15N were measured by contin

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Hungria, Anderson Paixão, Monique Damasceno Pinto, Antônia Rafaela Gonçalves Macedo, et al. "Understanding the Abandonment of Aquaculturists: A Case in the Amazon (North of Brazil)." Aquaculture Journal 4, no. 3 (2024): 148–62. http://dx.doi.org/10.3390/aquacj4030011.

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Despite the huge potential of aquaculture in the Amazon, several producers have abandoned the activity due to a lack of assistance, technology, and innovation. Thus, the objective of this study was to identify factors that have contributed to the withdrawal of aquaculturists from the municipality of ‘Vigia de Nazaré’, state of Pará (Northern Region of Brazil). This case study took place in 2022 through a quanti-qualitative survey, applying structured questionnaires to former aquaculturists. A total of 30 fish farms were investigated, with 11 of them being abandoned. They are distributed across

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Martins, Williane Maria de Oliveira, Márcia Cristina Nascimento Justo, Melissa Querido Cárdenas, and Simone Chinicz Cohen. "Seasonality of parasitic helminths of Leporinus macrocephalus and their parasitism rates in farming systems in the Amazon." Revista Brasileira de Parasitologia Veterinária 26, no. 4 (2017): 419–26. http://dx.doi.org/10.1590/s1984-29612017062.

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Abstract The objective of the present study was to analyze the seasonality of parasitic helminths of Leporinus macrocephalus from fish farms in the municipality of Cruzeiro do Sul, Acre, Brazil, and their parasitism rates. Between June 2014 and March 2015, 200 specimens were sampled from two fish farms: one with a semi-intensive system and the other with an extensive system (100 fish from each farm: 50 during the dry season and 50 during the rainy season). Fifteen species of parasites were found, with seasonal variations of some according to the farming system. In the semi-intensive fish farm,

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Kumara, H. K. R. S., K. S. S. Atapaththu, S. S. Herath, N. P. Vidanapathirana, and M. M. K. I. Marasinghe. "Exploring Ecological Functions of Rice-Fish Integration in the Agricultural Landscape: A Review to Investigate Feasibility of Implementing Rice-Fish Integration in Sri Lanka." Journal of Agro-Technology and Rural Sciences 3, no. 2 (2024): 24–35. http://dx.doi.org/10.4038/atrsj.v3i2.53.

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Rice-fish integration is, a symbiotic farming system where fish are reared in rice fields. Although this farming method widespread in many Asian countries, it is relatively new to Sri Lanka, and consequently information on its ecological functions under Sri Lankan context is scarce. Therefore, detailed investigation on the ecological function of rice fish integration would provide necessary information to establish rice-fish integration in Sri Lanka. This study followed a qualitative case study approach, including literature review and extensive document analysis. The results highlighted the r

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GIRARD, Léo, Alexander WEZEL, and Joël ROBIN. "Drying out fish ponds, for an entire growth season, as an agroecological practice: maintaining primary producers for fish production and biodiversity conservation." Open Research Europe 3 (August 18, 2023): 125. http://dx.doi.org/10.12688/openreseurope.16363.1.

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Agroecology largely focusses on terrestrial agroecosystems, but it can also be applied to fish farming. Indeed, ponds are typically used for fish production in Europe, but are also important reservoirs of biodiversity. Numerous studies demonstrate that both fish production and biodiversity are strongly determined by human management. One key practice in extensive fish farming, although more rare in Europe, is to dry out ponds. They are left dry for a complete year after several years of fish production. However, the extent to which this practice affects the functioning of the ecosystem, its bi

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GIRARD, Léo, Alexander WEZEL, and Joël ROBIN. "Drying out fish ponds, for an entire growth season, as an agroecological practice: maintaining primary producers for fish production and biodiversity conservation." Open Research Europe 3 (October 15, 2024): 125. http://dx.doi.org/10.12688/openreseurope.16363.2.

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Agroecology largely focusses on terrestrial agroecosystems, but it can also be applied to fish farming. Indeed, ponds are typically used for fish production in Europe, but are also important reservoirs of biodiversity. Numerous studies demonstrate that both fish production and biodiversity are strongly determined by human management. One key practice in extensive fish farming, although more rare in Europe, is to dry out ponds. They are left dry for a complete year after several years of fish production. However, the extent to which this practice affects the functioning of the ecosystem, its bi

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Pilin D.V., Tumenov A.N., Tuleuov A.M., Oskina A.A., Bulekov N.U., and Dnekeshev A.K. "Use of data on zoobenthos reserves of fishless reservoirs to assess potential production of bentophage fish similar small reservoirs of north-west Kazakhstan." Novosti nauki Kazahstana, no. 3 (September 30, 2022): 39–45. http://dx.doi.org/10.53939/15605655/2022_3_39.

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The potential fish productivity of four fishless reservoirs of Western Kazakhstan is estimated for subsequent use in fish farming calculations on similar fishery reservoirs of the region. Potential fish production was determined by the biomass of feed zoobenthos. In parallel the productivity of carp as main object of extensive aquaculture was evaluated in the lake-commercial fish farms. The obtained values of potential fish production in the reservoirs deprived of ichthyofauna equaled to 72 kg per ha for the reservoirs of West Kazakhstan and 37 kg per ha for the Aktobe region. The productivity

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Farhaduzzaman, A. M., Md Suzan Khan, Mahadi Hasan Osman, Md Neamul Hasan Shovon, Mehedi Azam, and Niaz Makhdum. "Progress of seabass, Lates calcarifer (Bloch, 1970) culture in Bangladesh: Field-level updates from the Bhola and Satkhira Districts." International Journal of Agricultural Research, Innovation and Technology 12, no. 2 (2023): 117–25. http://dx.doi.org/10.3329/ijarit.v12i2.64097.

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Since the high market value of seabass, Lates calcarifer (Bloch, 1970), mainly found in Bangladesh's coastal waters and tidal rivers of Bangladesh, farmers in those areas cultivate it alongside carp fish in ponds and shrimp farms. Even though farming began many years ago, progress in overcoming obstacles of only natural sources for hatchlings, supplemental feeding, and knowledge on advanced farming management in seabass farming at the field level has been prolonged. This study discusses the current farming and trading of seabass in Bangladesh's coastal districts. Seabass fry is collected from

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VATSOS (Ι.Ν. ΒΑΤΣΟΣ), I. N., and P. ANGELIDIS (Π. ΑΓΓΕΛΙΔΗΣ). "Water quality and fish diseases." Journal of the Hellenic Veterinary Medical Society 61, no. 1 (2017): 40. http://dx.doi.org/10.12681/jhvms.14875.

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Certain water quality parameters are known to cause serious problems to fish, especially when they are living under intensive farming conditions. These problems range from discomfort of fish to heavy mortalities and factors, such as the fish species, the time and level of exposure and the synergic effect of other coexisting stressful conditions, play an important role. In addition, when these parameters are outside the preferable for each fish species range, they can induce stress to fish, compromising their immune system and making them vulnerable to many opportunistic pathogens. Oxygen is, p

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Kolek, Ludmiła, Maciej Pilarczyk, Michał Inglot, Bartłomiej Stonawski, and Joanna Szczygieł. "Observations of carbon-nitrogen manipulation and periphyton growth stimulation on fish farming in an integrated intensive-extensive aquaculture system." Fisheries & Aquatic Life 27, no. 4 (2019): 169–77. http://dx.doi.org/10.2478/aopf-2019-0019.

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Abstract The results of observations of intensive sturgeon production integrated with an extensive earthen fish pond are described. The main objective of the study was to show how technological modifications applied to enhance nitrogen assimilation in ponds and nutrient retention in aquaculture products influenced fish production. Each of two integrated systems, A and B, consisted of four intensive fish tanks stocked with sturgeon and one extensive carp pond stocked with carp (Cyprinus carpio L.), silver carp (Hypophthalmichthys molitrix (Val.)) and common nase (Chondrostoma nasus L.). The fis

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Perez, Liliana, Yenny Cuellar, Jorge Gibbons, Elias Pinilla Matamala, Simon Demers, and Juan Capella. "Mapping the Future: Revealing Habitat Preferences and Patterns of the Endangered Chilean Dolphin in Seno Skyring, Patagonia." Biology 13, no. 7 (2024): 514. http://dx.doi.org/10.3390/biology13070514.

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Species distribution modeling helps understand how environmental factors influence species distribution, creating profiles to predict presence in unexplored areas and assess ecological impacts. This study examined the habitat use and population ecology of the Chilean dolphin in Seno Skyring, Chilean Patagonia. We used three models—random forest (RF), generalized linear model (GLM), and artificial neural network (ANN)—to predict dolphin distribution based on environmental and biotic data like water temperature, salinity, and fish farm density. Our research has determined that the RF model is th

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Frejus, Ehui Edi Jean, Kouassi Kouassi Clément, Kouassi Kra Athanase, and Ehouman Ano Guy Serge. "Specific Diversity of Fish Ponds in the Haut-sassandra and Risks of Contamination by Potential Pathogens among Oreochromis niloticus (Tilapia)." Asian Journal of Fisheries and Aquatic Research 26, no. 3 (2024): 76–86. http://dx.doi.org/10.9734/ajfar/2024/v26i3748.

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Fishery and aquaculture products are an important source of protein in the human diet and a real source of income for producers. However, fish farming is still less well known among the Ivorian population, and does not yet benefit from technical assistance. This could have an impact on the quality of aquaculture resources. This study was therefore carried out firstly to assess the current state of fish farming in the Haut-Sassandra region, and then to evaluate contamination by potential bacterial pathogens of tilapia fish from fish ponds in this region. To this end, a survey was carried out fr

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Hinneh, Mandela Klon-Yan, Mbeva D. Liti, and Geraldine Matolla. "Characterization of Nile Tilapia (Oreochromis niloticus) Farming Intensities in Liberia." Aquaculture Journal 2, no. 3 (2022): 203–15. http://dx.doi.org/10.3390/aquacj2030011.

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Fish farming is a rapidly growing food sector in developing nations. Liberia is an example of a least developed country with a large population facing high poverty levels. This has led to the adoption of aquaculture as one of the most important strategies for solving malnutrition and food security problems. However, since the introduction of fish farming, fish yields have been persistently low. To address the shortcomings in fish yields in Liberia, a study was conducted to provide information on fish farming intensities, types, and quality of feeds used by farmers in the culture of O. niloticu

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Bambi Langa, Lydie, Soleil Wamuini Lunkayilakio, Patrick Mafwila Kinkela, Vincent Gennotte, and Carole Rougeot. "Fish Farming Activities in Mbanza-Ngungu: Farmer Socio-Professional Profiles, Production Practices, and Improvement Opportunities for Sustainable Aquaculture." Sustainability 16, no. 17 (2024): 7481. http://dx.doi.org/10.3390/su16177481.

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The study describes the distribution of fish farming activities, identifies and characterizes the stakeholders involved, and assesses their level of knowledge and the techniques used for fish farming in the Territory of Mbanza-Ngungu. Furthermore, it proposes avenues to improve the sustainability and profitability of the sector. The methodology relied on a snowball approach to recruit a representative sample of 350 fish farmers. Field visits allowed for detailed data collection through a specially designed questionnaire. The data were analyzed using statistical methods (chi-square test of inde

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Jansen, Peder A., Anja B. Kristoffersen, Hildegunn Viljugrein, Daniel Jimenez, Magne Aldrin, and Audun Stien. "Sea lice as a density-dependent constraint to salmonid farming." Proceedings of the Royal Society B: Biological Sciences 279, no. 1737 (2012): 2330–38. http://dx.doi.org/10.1098/rspb.2012.0084.

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Fisheries catches worldwide have shown no increase over the last two decades, while aquaculture has been booming. To cover the demand for fish in the growing human population, continued high growth rates in aquaculture are needed. A potential constraint to such growth is infectious diseases, as disease transmission rates are expected to increase with increasing densities of farmed fish. Using an extensive dataset from all farms growing salmonids along the Norwegian coast, we document that densities of farmed salmonids surrounding individual farms have a strong effect on farm levels of parasiti

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Kurbonov, R., A. Urinov, I. Nosirov, et al. "CREATION OF WATER CIRCULATION SYSTEMS AS A FACTOR OF ECONOMIC EFFICIENCY OF INDUSTRIAL FISHERIES." Journal of Science and Innovative Development 4, no. 3 (2021): 41–53. http://dx.doi.org/10.36522/2181-9637-2021-3-4.

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The analysis of the fishery companies of the republic shows that the main drawback in the fishing industry is the small volume of mass rearing of fish fry and the ineffective use of artificial groundwater reservoirs both – built in the 60-80s of the last century and those currently under construction. Due to the inappropriate size of the surface of these lakes, about 50-100 hectares, and insufficient depth in the ponds, small quantities of carp (2000-3000 units) are bred, large-scale repairs are being carried out, and the fish catch per pond with an area of 1.0 hectares is 1,0-3.0 tons, which,

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ORFANIDIS, S., N. STAMATIS, V. RAGIAS, and W. SCHRAMM. "Eutrophication patterns in an eastern Mediterranean coastal lagoon: Vassova, Delta Nestos, Macedonia, Greece." Mediterranean Marine Science 6, no. 2 (2005): 17. http://dx.doi.org/10.12681/mms.183.

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The results of an intensive monitoring study of main eutrophication parameters in relation to fish farming management, climate and hydrography in the Vassova coastal lagoon (Nestos Delta) are presented. The overall aim is to produce basic knowledge in order to contribute to the management of eutrophication of coastal lagoons at local and national levels. Due to extensive spatiotemporal variability of the measured parameters correlation and regression polynomial analysis was used to identify patterns (p<0.05). Freshwater was the main source of nitrate and phosphate in the lagoon. This findin

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Pena, Ramon Wagner Torres, Pedro Andrés Chira Oliva, and Fernando Araújo Abrunhosa. "Application of the Ground Penetrating Radar (GPR) and Electromagnetic (EM34-3) Geophysical Tools and Sedimentology for the Evaluation of the Subsurface of Sites Earmarked for Aquaculture Ponds in the Amazon Region of Northern Brazil." Applied Sciences 13, no. 19 (2023): 11107. http://dx.doi.org/10.3390/app131911107.

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The present study evaluated the application of Ground Penetrating Radar and Electromagnetic Induction geophysical tools combined with sedimentology for the description of the subsurface of sites destined for the installation of ponds for an extensive freshwater fish farming system. Two areas with similar topographic characteristics (flat land near bodies of water) were investigated in the Amazon region of northern Brazil: Area 1—the future site of an aquaculture research center, and Area 2—an established fish farming operation. These tools performed well in the evaluation of the suitability of

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Utami, Latifa Alda, Ahmad Taufiq Maulana Ramdan, Fanji Wijaya, and Dadan Abdul Aziz Mubarok. "Optimalisasi Pengembangan Bisnis pada Petani Ikan Ciparay." Jurnal Ilmu Sosial, Manajemen, Akuntansi dan Bisnis 5, no. 3 (2024): 405–26. http://dx.doi.org/10.47747/jismab.v5i3.1890.

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An essential strategic effort to improve community welfare and the productivity of the fishing industry is to optimize the development of fish farmer businesses in Ciparay, Bandung Regency, West Java, which has a lot of potential for cultivating freshwater fish. Fish farmers in this area, however, still face several problems. These include lack of access to advanced technology, knowledge about managing a business, and market limitations. This research aims to find and create the most effective strategy for building a fish farming business in Ciparay. This research uses SWOT analysis (Strengths

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Burgaz, M. I., T. I. Matviienko, O. M. Soborova, K. I. Bezyk, and O. Y. Kudelina. "The current state of fishing and extracting the living aquatic resources in the Black Sea region of Ukraine." Ukrainian Journal of Veterinary and Agricultural Sciences 2, no. 3 (2019): 23–27. http://dx.doi.org/10.32718/ujvas2-3.06.

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The development of open spaces and resources of the Black Sea is one of the main directions of the Black Sea region (the Odessa, Mykolaiv and Kherson regions). The essence of the region policy allows to cooperate with the most countries of the world community and brings an income both to the budget of the regions and to the state budget. Industrial fisheries is an extractive branch of the fishing industry that uses the natural resources of the oceans, seas, lakes, rivers, reservoirs: various species of fish, marine mammals, shellfish, crustaceans and aquatic vegetation. Fisheries can be consid

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Hamed, Farhan Yasin, Adelia Zakirovna Anokhina, Natalia Viktorovna Sudakova, and Damelya Kazhigalievna Magzanova. "Modern features of aquaculture of cyprinids in the republic of Iraq." Rybovodstvo i rybnoe hozjajstvo (Fish Breeding and Fisheries), no. 12 (December 1, 2020): 6–14. http://dx.doi.org/10.33920/sel-12-2010-01.

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It is shown that the leading role in the aquaculture of Iraq belongs to Cyprinids, which account for over 80 % of all fish farming production. The most widespread in the country are four main world species of carp aquaculture: common carp (Cyprinus carpio), grass carp (Ctenopharyngodon idella), silver carp (Hypophthalmichthys molitrix) and bighead carp (Aristichthys nobilis). Basically, the traditional technology of growing Cyprinids in ponds is used, which includes the main fish farming processes: care of broodstock to prepare them for spawning, collecting eggs and milt, eggs fertilization an

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Oh, Seoyeon, and Seunghyung Lee. "Fish Welfare-Related Issues and Their Relevance in Land-Based Olive Flounder (Paralichthys olivaceus) Farms in Korea." Animals 14, no. 11 (2024): 1693. http://dx.doi.org/10.3390/ani14111693.

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Korean aquaculture has expanded considerably in recent decades; however, this growth has often prioritized quantity over fish welfare. Therefore, we analyzed the aquaculture practices of olive flounder, the predominant species in Korean consumption and production, within the framework of fish welfare. We conducted extensive interviews and surveys across olive flounder farms in Jeju-do and Wando to examine prevalent issues impacting fish welfare in aquaculture. These issues include stressors, mass mortality events, and disease outbreaks, all of which strain the welfare of farmed fish. Moreover,

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Thorne-Lyman, Andrew L., Natalie Valpiani, Rumana Akter, et al. "Fish and Meat Are Often Withheld From the Diets of Infants 6 to 12 Months in Fish-Farming Households in Rural Bangladesh." Food and Nutrition Bulletin 38, no. 3 (2017): 354–68. http://dx.doi.org/10.1177/0379572117709417.

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Background: Fish is a widely available animal-source food in Bangladesh and a rich source of nutrients, yet little is known about practices related to incorporating fish into the diets of infants and young children. Objective: Use dietary diversity data to explore consumption patterns of fish and high-quality food items within the household and examine factors associated with delayed introduction of fish to infants and young children. Methods: Cross-sectional survey of 496 households with children <36 months participating in the Aquaculture for Income and Nutrition project in Bangladesh. Da

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Nguyen Thi, Kim Quyen, Van Hien Huynh, and Thi Phuong Dang. "AN ANALYSIS OF TECHNICAL FACTORS AND FINANCIAL EFFICIENCY OF INTEGRATED IMPROVED EXTENSIVE SHRIMP FARMING SYSTEMS IN CA MAU PROVINCE, VIETNAM." TRA VINH UNIVERSITY JOURNAL OF SCIENCE; ISSN: 2815-6072; E-ISSN: 2815-6099 11, no. 48 (2022): 91–99. http://dx.doi.org/10.35382/tvujs.11.48.2022.1116.

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The study was conducted from May to September 2020 to evaluate technical factors and the financial efficiency of integrated shrimp farming models. Forty-five inte grated rice-shrimp rotation farming and fortyfive integrated mangrove-shrimp farming households in Ca Mau were subjects of the survey. The results show that farm sizes were relatively large (2.47-5.30 ha). Stocking density was 4.70 ind./m2 (shrimp-rice) and 17.8ind./m2 (mangrove-shrimp), reaching the productivity of 229.3 and 267.8 kg/ha/crop, respectively. Besides, the rice-shrimp model harvested 1.36 tons/ha/crop of rice and 11.8kg

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NAIK, P. K., B. K. SWAIN, and C. K. BEURA. "Duck production in India-A review." Indian Journal of Animal Sciences 92, no. 8 (2022): 917–26. http://dx.doi.org/10.56093/ijans.v92i8.118712.

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In India, the contribution of ducks for egg and meat production is next to chicken. There are many advantagesof duck production over chicken. The important available ducks in the country are few exotic breeds and locallyavailable indigenous ducks. Ducks can be reared under intensive, semi-intensive and extensive rearing system.However, in India, ducks are mostly reared in small flock size as subsidiary source of income. The major duck basedintegrated farming system are duck-fish, duck-rice and duck-rice-fish integrated farming system. Feed is the majorfactor in livestock and poultry production

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Sugiarto, Muhammad Aqsha Rizki, Moh Muhtarom, and Anindhiasti Ayu Kusuma Asri. "Implementasi Sistem Pemberian Pakan Ikan Hias Otomatis Menggunakan Esp32 Berbasis IoT (Internet of Things)." Jurnal Indonesia : Manajemen Informatika dan Komunikasi 5, no. 3 (2024): 2781–91. http://dx.doi.org/10.35870/jimik.v5i3.1008.

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This study aims to design and implement an automatic feeding system for ornamental fish using Internet of Things (IoT) technology, with the ESP32 microcontroller and servo motor. Given Indonesia's extensive water resources and the importance of its fisheries sector, ornamental fish farming has gained significant popularity. Fish owners often struggle with providing timely and consistent feeding. IoT technology offers an effective solution through remote connectivity. The developed system utilizes the Blynk application to schedule and monitor aquarium conditions in real-time. Test results indic

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Ayoola, Simeon. "Sustainable Fish Production in Africa." African Journal of Food, Agriculture, Nutrition and Development 10, no. 5 (2010): 1–9. http://dx.doi.org/10.18697/ajfand.35.cy017.

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Fish farming is today considered an important source of production for meeting world’s increasing demand for protein. Fish is an important source of good quality protein required in human diet. It has the highest level of easily metabolisable high quality protein, fats, vitamins, calcium, iron and essential amino acids when compared with other sources of animal protein such as poultry and beef. Fish consumption is highly relished among people of all classes and ages in that the fish is less tough and more digestible when compared to beef, mutton chicken and bush meat. This is due to the greate

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Shtynda, L. Y., Yu V. Loboiko, and B. S. Barylo. "Technological parameters of carp growing (Cyprinus carpio) at different stocking densities." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 25, no. 99 (2023): 3–8. http://dx.doi.org/10.32718/nvlvet-a9901.

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This article presents a study of the technology of growing carp (Cyprinus carpio) using different stocking densities in feeding ponds. Carp is one of the most common and essential freshwater fish species for commercial farming and consumption. The study was conducted over several months, with an assessment of carp's growth, survival, and productivity when using different stocking densities in feeding ponds. Different stocking densities included low (sparse), medium, and high (dense) carp individuals per unit area. To experiment, four groups of carp individuals were kept in feeding ponds at dif

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ASHRAFULLAH, MD, MITHUN KARMAKAR, SHAYLA SULTANA MELY, MD TARIQUL ISLAM, and MD SHARIFUL ISLAM. "Integrated farming of stinging catfish (Heteropneustes fossilis) and rabbit (Oryctolagus cuniculus) in farmer’s pond." Bangladesh Journal of Fisheries 35, no. 1 (2023): 25–33. http://dx.doi.org/10.52168/bjf.2023.35.03.

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A study was carried out to evaluate the growth and production performances of stinging catfish (Heteropneustes fossilis) and rabbit (Oryctolagus cuniculus) under two treatments such as T1 (shing-rabbit integrated system) and T2 (shing monoculture) in farmers’ pond. Twelve ponds from two villages such as Sutiakhali and Salakandi under Mymensingh sadar upazila were selected for the study. The average pond size was 5.5±0.23decimal with a stocking density of 600 shing dec-1. The ponds were only fertilized with rabbit dung except at the time of pond preparationat a rate of 1 kg dec-1. Various envir

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Loboiko, Yu V., Ye O. Barylo, Yu R. Vachko, B. S. Barylo, and I. R. Rachkivska. "Technologies of carp growing and their features." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 23, no. 95 (2021): 54–59. http://dx.doi.org/10.32718/nvlvet-a9507.

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Carp is one of the few fish farms for which a wide range of technologies has been developed: from extensive, with minimal human intervention in the formation of fish productivity of the reservoir, to intensive, with the most controlled production conditions. Carp has many biological features, enhanced by centuries of breeding work, making this fish extremely “technological”, able to more or less fully realize the genetically determined bioproductive properties of different breeding technologies. Technologies for growing commercial carp according to the level of intensification of the productio

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SHISHANOVA, Elena Ivanovna, Aleksandr Sergeevich BAGDASARIAN, Anna Eduardovna SEMAK, Alexander Lvovich FROLOV, and Pavel Nikolaevich SHARONIN. "Integrated Use of Multitrophic Aquaculture Resources in the Recreational Business." Journal of Environmental Management and Tourism 11, no. 3 (2020): 714. http://dx.doi.org/10.14505//jemt.v11.3(43).25.

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The article deals with the development of approaches to the integrated use of multitrophic aquaculture resources in the recreational business. It is revealed that multitrophic aquaculture allows successfully combining several areas in nature management. This includes obtaining high-quality food products (both of animal and plant origin), protecting and growing valuable medicinal plants, expanding the area of melliferous plants, and cultivating various industrial crops. It is proved that fish farming, often being extensive, can be considered as a kind of organic farming in the framework of recr

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El-S. Easa, M., M. M. Shereif, A. I. Shaaban, and K. H. Mancy. "Public health implications of waste water reuse for fish production." Water Science and Technology 32, no. 11 (1995): 145–52. http://dx.doi.org/10.2166/wst.1995.0425.

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Public health and safety concerns have traditionally been the main reasons for resisting waste water reuse for fish farming. Potential adverse health effects in such applications could be avoided if the waste is sufficiently treated before reuse. In a full scale demonstration study in Suez, Egypt, about 400 m3/d of raw sewage were treated using a multi-compartment stabilization pond system, for a total residence time from 21-26 days. The treated effluent conformed to WHO guidelines and was used for rearing two types of local fish (tilapia and gray mullet). The produced fish were subjected to a

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Zhou, Yueming, Junchao Yang, Amr Tolba, Fayez Alqahtani, Xin Qi, and Yu Shen. "A Data-Driven Intelligent Management Scheme for Digital Industrial Aquaculture based on Multi-object Deep Neural Network." Mathematical Biosciences and Engineering 20, no. 6 (2023): 10428–43. http://dx.doi.org/10.3934/mbe.2023458.

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<abstract><p>With the development of intelligent aquaculture, the aquaculture industry is gradually switching from traditional crude farming to an intelligent industrial model. Current aquaculture management mainly relies on manual observation, which cannot comprehensively perceive fish living conditions and water quality monitoring. Based on the current situation, this paper proposes a data-driven intelligent management scheme for digital industrial aquaculture based on multi-object deep neural network (Mo-DIA). Mo-IDA mainly includes two aspects of fish state management and envir

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Tajerin, Tajerin. "ANALISIS EFISIENSI TEKNIS USAHA BUDIDAYA PEMBESARAN IKAN KERAPU DALAM KERAMBA JARING APUNG DI TELUK LAMPUNG." Jurnal Perikanan Universitas Gadjah Mada 6, no. 2 (2004): 45. http://dx.doi.org/10.22146/jfs.9044.

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Level of technical efficiency in fish culture reflecting the fish farmers achievement correlated to their managerial competency to manage the principle factors affecting its productivity. Objectives of this research were to evaluate technical efficiency in grouper growth out as well as its policy implication. This research was conducted in Lampung Province during September to December 2002. The area was selected by purposive sampling in Padang Cermin Sub district, South Lampung, and the respondent of farmers were selected by census method. The results showed that the average of technical effic

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Hancz, Csaba. "The role of edible insects in sustainable and environmentally friendly aquatic animal feeding." Acta Agraria Kaposváriensis 27, no. 1-2 (2023): 29–50. http://dx.doi.org/10.31914/aak.5005.

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To ensure sustainable growth, feed-fed aquaculture needs to reduce its reliance on fishmeal and oil. Introducing of novel aquaculture feeds such as macroalgae, bacteria, yeasts, and insects can greatly reduce the need for fish in aquaculture while maintaining efficiency and omega-3 fatty acid profiles. Insects, particularly, can efficiently convert organic waste into valuable products, thus reducing waste management costs and replacing fish and soybean meal. The flexibility and efficiency of insect metabolism contribute to their potential in mass food and feed production. However, for insect f

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Nazir, Sadia, Noor Khan, Mahroze Fatima, et al. "The influence of dietary protein concentration on digestive enzyme activities, growth, and body composition in juvenile bullseye snakehead (Channa marulius)." PLOS ONE 18, no. 2 (2023): e0281274. http://dx.doi.org/10.1371/journal.pone.0281274.

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The bullseye snakehead (Channa marulius) is considered as an affordable and robust freshwater fish for farming in Asia. However, there is limited knowledge on the species’ full nutritional requirements to date with extensive gaps in our knowledge and particularly in precision aspects of protein requirements. Therefore, a three-month feeding trial was conducted under semi-intensive farming conditions to determine the protein requirement of bullseye snakehead using test diets containing 40 (P40), 45 (P45), 50 (P50), and 55% (P55) crude protein levels. The growth performance results revealed that

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Swasono, M. Aniar Hari, and Wenny Mamilianti. "IbM Mix Farming Dengan “Nutrisi Alami” Solusi Pemenuhan Kebutuhan Pangan yang Sehat dan Segar." JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) 1, no. 2 (2017): 47. http://dx.doi.org/10.36339/je.v1i2.49.

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The livelihoods the people of Sekarmojo village are mostly farmers and farm laborers. The average level ofeducation is primary school. This becomes an obstacle in technology adoption. The village location is linked to a stonypath and not yet all paved. This condition causes the community of Sekarmojo Village not yet maximally in adoptinginformation especially information technology. Issues that exist within the partner community group, among others : (1)the lack of knowledge and technology in improving local resource-based welfare, (2) extensive yard has not been usedsustainably, (3) livestock

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Karpenko, L. Yu, A. A. Bakhta, K. P. Ivanova, P. A. Polistovskaya, D. A. Orlova, and T. V. Kalyuzhnaya. "Veterinary and sanitary examination of rainbow trout samples (<I>Onchorinchus mykiss</I>) with the application of the drug "SMARTBIOTIC." Legal regulation in veterinary medicine, no. 4 (January 8, 2023): 117–19. http://dx.doi.org/10.52419/issn2782-6252.2022.4.117.

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Veterinary and sanitary examination is an extensive set of measures aimed at assessing the quality and safety of raw materials of various origins. As you know, fish is a perishable product, so it is also subject to a thorough veterinary and sanitary examination. To improve the quality and safety of raw materials, currently, biologically active substances are used in almost all branches of agriculture. Some feed additives, in turn, have a beneficial effect on the immune system. When using the drug "SmartBiotic" in concentrations of 0.15% and 0.25%, the organoleptic parameters were within normal

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Skokov, Roman, Dmitry Randelin, Alexander Soloviev, and Tlek Sejdaliev. "Southern reed in feed for pond herbivorous fish: ecological, social, economic effects." Fisheries 2023, no. 5 (2023): 60–66. http://dx.doi.org/10.37663/0131-6184-2023-5-60-66.

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The article presents the directions of environmentally sound management of the biomass of the southern reed based on its use as the main component of feed for herbivorous fish. The formulation and technology of three types of feed for herbivorous fish grown in ponds based on southern cane has been developed; it is proposed to remove the rapidly renewable biomass of southern cane from water bodies and use it in feed production, rather than dispose of it as Class V waste; the production of feed based on southern cane at a feed mill at a price of 25 rubles/kg has been tested; the effectiveness of

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Benjamin, Emmanuel O., Oreoluwa Ola, and Gertrud R. Buchenrieder. "Feasibility Study of a Small-Scale Recirculating Aquaculture System for Sustainable (Peri-)Urban Farming in Sub-Saharan Africa: A Nigerian Perspective." Land 11, no. 11 (2022): 2063. http://dx.doi.org/10.3390/land11112063.

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The (peri-)urban population in developing countries, especially sub-Saharan Africa, is rapidly increasing. As towns and cities grow, so does the demand for fish protein. While flow-through aquaculture can provide fresh, healthy and nutritious fish protein, it is plagued by extensive land requirements as well as effluent discharge and is thus unsuitable for city regions. Alternatively, small-scale Recirculating Aquaculture Systems (RAS) could improve food and nutritional security and livelihoods as well as reduce environmental degradation in (peri-)urban areas despite land and water constraints

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Aravanis, Theofanis, Ioannis Hatzilygeroudis, and Georgios Spiliopoulos. "Ensemble Modelling for Predicting Fish Mortality." Applied Sciences 14, no. 15 (2024): 6540. http://dx.doi.org/10.3390/app14156540.

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This paper proposes a novel ensemble approach, integrating Artificial Neural Networks (ANNs), Symbolic Regression (SR), and Decision Trees (DTs), to predict fish mortality caused by infectious diseases. The intensifying global burden of fish diseases threatens the sustainability of aquatic ecosystems and the aquaculture industry, necessitating sophisticated modelling strategies for effective disease management and control. The proposed approach capitalizes on the non-linear data modelling strength of ANNs, the explanatory power of SR, and the decision-making efficiency of DTs, offering both pr

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N. Kimambo, Offoro, Jabulani R. Gumbo, Titus A.M Msagati, and Hector Chikoore. "The Unusual Reddish-Bloom Appearance in a Freshwater Fishpond at Kingolwira National Fish Farming Center, Morogoro, Tanzania." International Journal of Environment 9, no. 2 (2020): 204–16. http://dx.doi.org/10.3126/ije.v9i2.32734.

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The study aimed to examines a case of what constituted the uncommonly reddish-bloom appearance in the fishponds during the dry season (September 2018) at Kingolwira National Fish Farming Center located in Morogoro, Tanzania. The study used a benchtop FlowCAM® to investigate species' morphology. One-time assessment of physico-chemical characteristics during the event was performed from the reddish and non-reddish fishponds. Images were compared with the available literature, but also t-test statistics were performed to examine the difference between the fishponds. The results show that the fish

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Laffargue, P., M.-L. Bégout, and F. Lagardère. "Testing the potential effects of shellfish farming on swimming activity and spatial distribution of sole (Solea solea) in a mesocosm." ICES Journal of Marine Science 63, no. 6 (2006): 1014–28. http://dx.doi.org/10.1016/j.icesjms.2006.03.018.

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Abstract Restructuring coastal fish nursery habitats by extensive shellfish farming in the French part of the Bay of Biscay could influence fish physiology and behaviour and affect the ecological performance of the species. The influence of oyster-trestle cultivation installations on sole (Solea solea) swimming behaviour was investigated using an experimental pond mesocosm. A pen was constructed with three interconnected zones (two with bags of live oysters or oyster shells on trestles, and one free zone). Water renewal depended on the tide. Environmental variables were recorded continuously (

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Paptsov, Andrei Gennadievich, Nabi Dalgatovich Avarskii, Kirill Viktorovich Kolonchin, Aleksandr Ivanovich Bogachev, Sergey Nikolaevich Seregin, and Khatimat Nabievna Gasanova. "Insurance as a Component of The Marketing Mechanism to Develop Aquaculture." Revista Amazonia Investiga 9, no. 26 (2020): 498–510. http://dx.doi.org/10.34069/ai/2020.26.02.57.

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The study aims at assessing the current aquaculture insurance in the Russian market. Due to this, it is necessary to understand the role of the aquaculture industry in the economy and determine its development in Russia, as well as to assess the modern concepts and processes of the aquaculture insurance. According to the general conclusions of the study, the fish farmers’ need in insurance varies depending on the type and size of aquaculture enterprises, the financial structure of their business, and the types of the grown aquatic organisms. In the study it is indicated that the aqua-insurance

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Bektursunova, Maya Zh, Asan Bekeshovich Ospanov, Valentina Ivanovna Sidorova, Nadezhda Ivanovna Yеnvareva, Saule Zhangirovna Asylbekova, and Alyona Aleksandrovna Mukhramova. "Using non-traditional raw materials in production of compound feeds for valuable fish species." Vestnik of Astrakhan State Technical University. Series: Fishing industry 2022, no. 2 (2022): 34–49. http://dx.doi.org/10.24143/2073-5529-2022-2-34-49.

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With the development of commercial fish farming in Kazakhstan the need for high-quality feed for fish has greatly increased. There has been carried out extensive monitoring of using unconventional raw materials in the production of feed for valuable fish species. Most promising sources of raw materials for valuable fish species are soy, pea isolates and concentrates, wheat and corn gluten, meal and cake (soy, flax, rapeseed). The physicochemical composition and nutritional value of the non-traditional, secondary raw materials and waste of processing industries were defined, the norms of their

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Kumar, Katta Sravan Naga Parimala, and Mohammad Aslam Ansari. "Documenting and Analyzing Targeted Interventions of State Fishery Department of Andhra Pradesh, India." Asian Journal of Agricultural Extension, Economics & Sociology 41, no. 10 (2023): 666–75. http://dx.doi.org/10.9734/ajaees/2023/v41i102211.

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Aims: Though Andhra Pradesh acts as an aquaculture hub, several targeted interventions were implemented by the State Fishery Department of Andhra Pradesh for the benefit of farmers. But lack of awareness among the fish farmers about these interventions leads to severe economic loss. Hence, this study aims to document and describe the interventions implemented by the Andhra Pradesh Fisheries Department which helps the fish farmers to make well-informed decisions. Study Design: Descriptive study design was used to describe the purpose of documented interventions Place and Duration of

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Karło, Agata, Aleksandra Ziembińska-Buczyńska, Maciej Pilarczyk, and Joanna Surmacz-Górska. "Molecular Monitoring Of Bacterial And Microalgal Biocenoses’ Biodiversity In High Loaded Farming Ponds." Ecological Chemistry and Engineering S 22, no. 3 (2015): 425–37. http://dx.doi.org/10.1515/eces-2015-0024.

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Abstract Eutrophication process is a serious problem in water ecosystems. There is a great need to study the relation between the physico-chemical condition of water and the influence of these parameters on the diversity of biological life, especially on changes in the structure of microbiocenoses. The most interesting are bacteria and microalgae, due to the important roles they play in maintaining the balance of the aquatic environment. In this study, biodiversity analysis of eukaryotic microalgae and bacteria in two artificial water ecosystems - fish farming ponds - was performed. Aquacultur

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