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  • 1
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    Sistemas sostenibles de producción para el desarrollo del maricultivo con enfoque ecosistémico. La Acuicultura Multitrófica Integrada (AMTI). (2021)
    Details
    Publication Date: 2021-11-05
    Description: La demanda de productos pesqueros en el mercado mundial está aumentando, particularmente en Asia, dada la afluencia y la apreciación de los beneficios que ofrecen estos alimentos para la salud humana. Esto, combinado con el colapso significativo de las producciones provenientes de la pesca de captura, ha traído como consecuencia un desarrollo vertiginoso de la acuicultura. Hoy, la acuicultura mundial es el sector de más rápido crecimiento de la industria alimentaria y representa aproximadamente el 45,6 % del consumo mundial de pescado. Sin embargo, el rápido desarrollo de sistemas semiintensivos, especialmente la acuicultura marina intensiva, ha generado preocupación a nivel mundial por los posibles impactos ambientales, económicos y sociales del uso de estos sistemas. Durante los últimos años se han llevado a cabo significativas investigaciones sobre el desarrollo de sistemas sostenibles de producción de alimentos en agua salada, mediante el uso de sistemas mecánicos como, por ejemplo, los Sistemas de Recirculación Acuícola (RAS) y otros con un enfoque ecosistémico como la Acuicultura Multitrófica Integrada (AMTI). Este trabajo se basa en mostrar las características del desarrollo de los sistemas AMTI y las posibilidades de su aplicación como sistemas de producción amigables con el medio ambiente, que contribuyan a la seguridad alimentaria, orientados a fortalecer la resiliencia de las comunidades pesqueras y acuícolas dando respuesta a los Objetivos de Desarrollo Sostenible de la Agenda 2030.
    Description: The demand for fish products in the world market is increasing, particularly in Asia, given the influx and the appreciation of the benefits that this food offers for human health. This, combined with the significant collapse of production from capture fisheries, has led to the rapid development of aquaculture. Today, global aquaculture is the fastest growing sector of the food industry and accounts for approximately 45,6 % of global fish consumption. However, the rapid development of semi-intensive systems, especially intensive marine aquaculture, has generated worldwide concern about the possible environmental, economic and social impacts of the use of these systems. During the last few years, significant research has been carried out on the development of sustainable saltwater food production systems, using mechanical systems such as Aquaculture Recirculation Systems (ARS) and others with an ecosystem approach such as Integrated Multi-trophic Aquaculture (IMTA). This work is based on showing the characteristics of the development of the IMTA systems and the possibilities of their application as environmentally friendly production systems that contribute to food safety, oriented to strengthen the resilience of fishing and aquaculture communities by responding to the Sustainable Development Objectives of Agenda 2030.
    Description: Published
    Description: Refereed
    Keywords: Acuicultura ; Impacto ; Desarrollo sostenible ; Medio ambiente ; Alimentos ; Aquaculture ; Impact ; Sustainable development ; Environment ; Food
    Repository Name: AquaDocs
    Type: Journal Contribution
    Format: pp.8-20
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  • 2
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    Current trends of breeding and cultivation of non-traditional aquaculture facilities (arctic charr, king crab, sea urchin) and aquatic processing technology (2021)
    Details
    Publication Date: 2021-10-19
    Description: The analysis of current scientific, technological, regulatory and methodical literature concerning cultivation and biotechnology of non-traditional species of fish (arctic charr) and valuable species of marine invertebrates (red king crab and sea urchin), as well as technology for complex processing of aquatic organisms has been carried out. The modern trends and problems of cultivation and use of these objects have been described. It has been shown that the freshwater form of Arctic charr has been successfully used in aquaculture in many countries while the aquaculture of anadromous (migratory) charr as an object of mariculture is still poorly developed and using this fish in mariculture is still too early. It is possible that in the near future as a result of breeding selection or interspecific crosses some forms with the required properties will be obtained. An analysis of published data suggests that there were no regular maintenance work in Russia on cultivation of sea urchins for obtaining their high-quality products to establish a basis (ingredients) of production for therapeutic and prophylactic purposes. The main efforts of previous studies on aquaculture of red king crab were aimed at the cultivation of larvae and postlarvae and rearing of mature males to reach an appropriate commercial quality. However, it should be noted that the methods of cultivation of crabs aged 3–5 years have not yet been well developed. There is also no information on the availability of accessible and relatively cheap ways to accelerate the molting process in crab, and it is known that just a long period of growing this crustacean (the commercial size is reached at age of 9–10 years) prevents the development of the red king crab aquaculture in a commercial scale. Modern processing of marine aquatic organisms should be based on a comprehensive, non-waste approach of producing traditional foods, therapeutic and prophylactic means and feed for aquaculture. The establishment of such a united technological cycle for processing red king crabs, sea urchins, and arctic charrs is a promising direction of development of the fish processing industry in the Murmansk region.
    Description: Проведен анализ современной научно-технической, нормативной, методической литературы, касающейся биотехнологий выращивания нетрадиционных видов рыб (арктического гольца), ценных морских видов беспозвоночных животных (камчатского краба и морского ежа), а также технологий комплексной переработки гидробионтов. Описаны современные направления и проблемы культивирования и использования данных объектов. Показано, что пресноводные формы арктического гольца успешно используются в аквакультуре во многих странах мира, освоение анадромных (проходных) гольцов в качестве объекта марикультуры остается малоизученным, считать его объектом марикультуры пока рано. Вполне возможно, что в скором времени в результате селекционного отбора или межвидовых скрещиваний будут получены формы с необходимыми свойствами. Анализ литературных данных позволяет заключить, что в РФ не проводились регулярные работы по аквариальному содержанию морских ежей с целью получения высококачественного сырья для создания основы (ингредиентов) продукции лечебно-профилактического назначения. Основные усилия предыдущих исследований искусственного разведения камчатского краба были направлены на выращивание жизнестойкой молоди (мальков) и подращивание некондиционных особей до товарного качества. Вместе с тем следует отметить, что способы культивирования крабов в возрасте 3–5 лет совершенно не изучены. Также нет сведений о наличии доступных и относительно дешевых способов, направленных на ускорение линьки краба, а известно, что именно долгий период роста этого ракообразного (товарного размера особи достигают за 9–10 лет) препятствует развитию аквакультуры вида в промышленных масштабах. Современная переработка морских гидробионтов должна основываться на комплексном безотходном подходе с получением традиционных пищевых продуктов, лечебно-профилактических средств и кормов для аквакультуры. Создание подобного единого технологического цикла при переработке камчатского краба, морских ежей и арктического гольца является перспективным направлением развития рыбоперерабатывающей отрасли на территории Мурманской области.
    Description: Published
    Description: Refereed
    Keywords: Aquaculture ; King crab ; Sea urchin ; Arctic char ; Biologically active substances of hydrobionts ; Аквакультура ; Камчатский краб ; Морской еж ; Арктический голец ; Биологически активные вещества гидробионтов ; Aquaculture ; Аквакультура
    Repository Name: AquaDocs
    Type: Journal Contribution
    Format: pp.355-370
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  • 3
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    Antibiotics resistance in pathogenic bacteria isolated from water and sediment around the floating fish farms in the Nha Trang bay (2021)
    Details
    Publication Date: 2021-09-30
    Description: To assess the impact of antibiotic use in aquaculture in Nha Trang bay, we conducted this study with the aim of assessing antibiotic resistance of opportunistic pathogenic bacteria isolated from water and sediment around shrimp/fish cages in the Nha Trang bay. 109 strains of Vibrio, Salmonella-Shigella and Aeromonas groups were isolated in the surrounding environment of farming areas in Dam Bay and Hon Mieu. Antimicrobial resistance test of these 109 strains showed that in the water environment in Dam Bay, TET (96.6%) and NIT (92.5%) were the two antibiotics with the highest rates of resistant bacteria while no bacteria were resistant to RIF. All 5 types of antibiotics had a statistically insignificant percentage of antibiotic-resistant bacteria in water samples at Hon Mieu, ranging from 33.3% to 68.9%. Also in the water environment, the rate of antibiotic-resistant bacteria in Dam Bay was not influenced by the distance to the cages (42.5–66.6%). Meanwhile, in Hon Mieu, the highest rate of resistant bacteria was observed at the distance of 200 m (100%) away from cages and the lowest rate at the distance of 100 m (20%). In the sediment environment around the cages, both the Dam Bay and Hon Mieu farming areas showed the highest rates of antibiotic-resistant bacteria against TET, NIF and RIF had the lowest rate of resistant bacteria. Among the total of 109 strains tested for antibiotic resistance, 2 strains labeled TCBS_HM200 m and SS_HM200 m were found to be resistant to all 5 tested antibiotics. These two strains were respectively identified as Vibrio harveyi and Oceanimonas sp.
    Description: Published
    Description: Refereed
    Keywords: Nha Trang bay ; Aquaculture ; Sediment ; Seawater ; Pathogen ; Antibiotic resistance
    Repository Name: AquaDocs
    Type: Journal Contribution
    Format: pp. 199-209
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  • 4
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    Impact evaluation of community-based coastal resource management projects in the Philippines (2021)
    In:  http://aquaticcommons.org/id/eprint/9442 | 115 | 2012-10-12 05:13:03 | 9442 | WorldFish Center
    Details
    Publication Date: 2021-09-24
    Description: The benefits of decentralizing the management of coastal resources to local governments and resource users have long been recognized, but the best systems for coastal resources management depend on many factors. A number of community-based management and co-management projects were started in the Philippines in the early 1980s. This report describes a comparative assessment of these projects to determine where improvements can be made in the design of future community-based coastal resource management projects. Early and continuing involvement by project beneficiaries is one of the factors that contributes to the success of the project development, implementation, and evaluation.
    Keywords: Aquaculture ; Sociology ; Coastal zone management ; Coastal resources ; Resource management ; Popular participation ; Evaluation ; Fishery management ; Development projects ; Philippines
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 9-12
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  • 5
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    Preliminary chemical and physical evaluation of some formulated feeds for P. monodon (2021)
    In:  aqdchief@seafdec.org.ph | http://aquaticcommons.org/id/eprint/18588 | 17342 | 2015-11-09 16:11:44 | 18588 | Southeast Asian Fisheries Development Center, Aquaculture Department
    Details
    Publication Date: 2021-09-24
    Description: The culture of Penaeus monodon has explicitly defined the need for diet formulations or supplementary feeds that would promote optimum growth and survival of the animal. A total of 28 feed combinations were developed for P. monodon. Fish meal, shrimp head meal, squid head meal, Ascetes spp. rice bran, and soybean cake were used as primary ingredients in these feeds. The commercial vitamin mix No. 22 was added to the dry ingredients. Gelatinized corn starch and wheat flour were used as binders. The pellets were extruded using a portable kitchen grinder with a diameter of 4 mm. The products were either sun-dried for 8 hours or oven-dried overnight at 50 degree C to stabilize moisture at 8-10%. The pellets were then kept in covered glass bottles and stored in the laboratory at room temperature. The cost of the feeds excluding labour were also computed. The pellets were analyzed for protein, fat, carbohydrate, crude fiber, ash, and moisture contents using standard procedures. They were also analyzed for water stability. To test the stability of pellets in water, 2-g samples were placed in plankton nets (mesh #40) and suspended in water for two, and six hours. The undissolved samples were then vacuum-dried and the moisture determined. Cost of the feeds ranged from P1.10 to P2.60 per kg depending on the feed ingredient. Squid and Ascetes spp. were rather expensive for use as basic ingredients. Proximate analysis of dry weight showed percentage protein content ranged from 20-63 g; fat, 8-20 g; carbohydrate (by difference), 11-36 g; ash, 8-28 g; moisture, 6-11 g; and crude fiber, 5 . 13 g. Stability tests showed that after two hours, 35-88% of solids remained intact and after 6 hours, 20-55% of the pellets remained undissolved. When a pellet disintegrates easily, pollution of the water occurs. Chances for the shrimp to feed on the pellet is minimized when the pellet is unstable. Thus, the search for a more compact feed pellet has to be continued.
    Keywords: Aquaculture ; Chemistry ; Feed composition ; Crustacean culture ; Penaeus monodon
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 29-31
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  • 6
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    Preliminary biological evaluation of some formulated feeds for P. monodon (2021)
    In:  aqdchief@seafdec.org.ph | http://aquaticcommons.org/id/eprint/18591 | 17342 | 2015-11-09 16:14:16 | 18591 | Southeast Asian Fisheries Development Center, Aquaculture Department
    Details
    Publication Date: 2021-09-24
    Description: Rice bran is widely used by fish farmers as supplementary feed while soybean cake is used both as feed and as fertilizer in fishponds. Both fish meal and shrimp head have been found acceptable as feed ingredients. However, not much is known of the acceptability and efficiency of a mixture of these ingredients as feed for Penaeus monodon larvae. Ninety 127-day old P. monodon were measured for length and weight and were randomly divided into nine aquaria each containing 20 liters of water. These were fed 'lampirong' for two months previous to the study. There were three replications for each treatment. Length, weight, and survival rates were used to compare the efficiency of the diets. Weighed amounts of pellets equivalent to 100% of the body weight were fed during the first three days and reduced to 50% thereafter. A stopwatch was used to determine the length of time that elapsed before the shrimps would approach the pellet. Ten shrimps approximately 4 months in age were placed in 10 liters of water in a 25-liter aquarium. Two grams of each pellet type were placed simultaneously on opposite sides of the aquarium. The time that elapsed from the moment the pellets sunk to the bottom up to the time that any one shrimp approached the pellets was recorded. The group fed the imported pellets gained the most. Those fed FP-2s-77 elongated faster than those fed FP-1s-77. Survival rate of those fed FP-2s-77 was 37% while those fed imported pellets was 73%. Both 1s and 2s pellets disintegrated in water easily but the imported pellets were stable even after six hours in water. The attractability test for the pellets showed that the prawns were more readily attracted to the pellets 1s and 2s than to the imported pellets.
    Keywords: Aquaculture ; Crustacean culture ; Feed composition ; Penaeus monodon
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 32-33
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  • 7
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    Captive culture of two sea snake species Hydrophis curtus and Hydrophis cyanocinctus (2021)
    Details
    Publication Date: 2021-09-22
    Description: Acclimation culture and trial culture of two sea snake species Hydrophis curtus and H. cyanocinctus in composite tanks were conducted to determine growth, survival rate, predation behavior and prey selection. The results showed that adults of H. curtus and H. cyanocinctus did not capture any prey such as anchovy, eel and shrimp in a period of 30 days of acclimation culture. The body weight of two these species reduced gradually from 783.3 ± 76.4 g and 360.0 ± 60.0 g to 660.0 ± 135.2 g and 315.0 ± 77.8 g, respectively. Survival rate was 100% in H. curtus and 80% in H. cyanocinctus. Meanwhile, the results of acclimation culture of sea snake juvenile revealed that frozen anchovy was preferred prey in both of two species. The body weight of H. curtus increased from 49.8 ± 0.5 g to 70.0 ± 8.2 g and that of H. cyanocinctus was 44.3 ± 3.1 g to 47.1 ± 5.2 g. The prey capture rate of H. curtus and H. cyanocinctus was 100% and 60%, respectively. Survival rate of the juvenile of two species was 100% after 30 days of acclimation culture. In 60 days of trial culture, similar results as acclimation culture were observed in adults of two sea snake species, they still did not capture any prey and the body weight reduced gradually. The result of 60-day culture of sea snake juvenile showed that the prey capture rate was 100% in both of two species. The body weight of H. curtus and H. cyanocinctus increased from 70.0 ± 8.2 g and 57.5 ± 5.8 g to 78.3 ± 15.3 g and 65.0 ± 14.1, respectively. SGR of H. curtus was 0.16 ± 0.32 %/day and that of H. cyanocinctus was 0.52 ± 0.36%/day. The survival rate of H. curtus and H. cyanocinctus was 60% and 40% in period of 60 day trial.
    Description: Published
    Description: Refereed
    Keywords: Sea snake ; Hydrophis curtus ; Hydrophis cyanocinctus ; Aquaculture
    Repository Name: AquaDocs
    Type: Journal Contribution
    Format: pp. 105-114
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  • 8
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    The state of mangroves (2021)
    In:  aqdchief@seafdec.org.ph | http://aquaticcommons.org/id/eprint/19385 | 2002 | 2016-01-22 10:23:40 | 19385 | Southeast Asian Fisheries Development Center, Aquaculture Department
    Details
    Publication Date: 2021-09-20
    Description: The article presents the current state of mangroves in Southeast Asia. In several countries lost mangrove areas were due to the conversion of mangrove forest into aquaculture and other uses. The ecological and socioeconomic effects of mangrove destruction are also presented.
    Keywords: Biology ; Aquaculture ; Brackishwater environment ; Marine environment ; Aquaculture development ; Environmental effects ; Mangroves ; Socioeconomic aspects ; South East Asia
    Repository Name: AquaDocs
    Type: article
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    Format: pp. 6-7, 21
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  • 9
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    V Ciencias del Mar MarCuba’2000 (2021)
    Comité Oceanográfico Nacional | La Habana, Cuba
    In:  http://aquaticcommons.org/id/eprint/14981 | 1545 | 2014-05-04 15:58:58 | 14981 | Acuario Nacional de Cuba
    Details
    Publication Date: 2021-09-18
    Description: Contiene los trabajos presentados y el programa científico. Contains abstracts of the papers presented and the scientific program.
    Keywords: Aquaculture ; Biology ; Ecology ; Education ; Fisheries ; Oceanography ; congress ; coastal zone ; marine resources ; aquaculture ; aquariology education ; genetics ; marine pollution ; microbiology ; zona costera ; recursos marinos ; acuacultura ; acuariología ; educación ; genética ; contaminación marina ; microbiología ; marine biodiversity ; biodiversidad marina ; congresos ; congress ; manejo integrado de la zona costera ; integrated management of the coastal zone ; simposio ; symposium ; cambio climático ; climate change ; Centro de Ingeniería y Manejo Ambiental de Bahías y Costas- CIMAB ; Instituto de Oceanología ; Instituto de Geología y Paleontología ; Acuario Nacional de Cuba ; taller ; workshop ; pesca ; fishery ; Cuba ; Congreso Latinoamericano ; ColacMarCuba ; Latin American Congress ; mamíferos marinos ; marine mammals ; biotechnology ; biotecnología ; marine ecosystem ; ecosistemas marinos ; marine sciences ; ciencias marinas ; CIM ; CIP
    Repository Name: AquaDocs
    Type: book , TRUE
    Format: text/html
    Format: application/zip
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  • 10
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    ASFA survey shows aquatic science libraries, impacted by COVID-19, are still able to help in their communities (2021)
    In:  http://aquaticcommons.org/id/eprint/27160 | 17342 | 2021-02-05 12:38:15 | 27160
    Details
    Publication Date: 2021-07-26
    Description: Between August and October 2020, ASFA ran a survey to assess the impact of COVID-19 on aquatic science libraries around the world. With restrictions in many places library staff and patrons were unable to access buildings, we were interested to find out what impact this was having on staff and learn whether libraries were helping their communities respond to the virus. This article presents a summary of the survey results, further analysis will be undertaken by the ASFA Impact and Strategies Working Group, looking particularly at ways in which libraries can mitigate the impact of the pandemic. Librarians have many transferable skills which can be of use to local and global communities during these difficult times and it is vital we let communities know what we can offer.
    Keywords: Aquaculture ; Fisheries ; Information Management
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 13-14
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