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The performance of antimicrobial susceptibility testing programmes relevant to aquaculture and aquacultural products

The performance of antimicrobial susceptibility testing programmes relevant to aquaculture and aquacultural products
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
Total Pages: 46
Release: 2019-10-03
Genre: Technology & Engineering
ISBN: 9251317887

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This Circular addresses best practice guidelines for the performance of these susceptibility tests. Section 1 discusses the relevance of this document to The FAO Action Plan on Antimicrobial Resistance 2016-2020. Section 2 provides a general background to the principles of antimicrobial susceptibility testing. Section 3 discusses the current status of the standard protocols that can be recommended for use in antimicrobial susceptibility testing of bacteria isolated from aquatic animals. Following a consideration of 44 species of bacteria that represent those most frequently isolated from aquatic animals, it demonstrates that the currently available standardized protocols are adequate for the determination of the antimicrobial susceptibility of 37 of them (84 percent). Section 4 discusses the importance of the design of programmes aimed at monitoring or surveillance of antimicrobial resistance associated with the use of antimicrobial agents in the rearing of aquatic animals. In this paper four designs are outlined, each of which will provide data for programmes aimed at answering different questions. Section 5 provides some conclusions, while Section 6 gives a list of references. The Circular is supported by four annexes that provide: (i) a listing of Clinical and Laboratory Standards Institute (CLSI) documents cited in the paper; (ii) a list of the antimicrobial agents most commonly used in aquaculture; (iii) notes on the selection of test protocols for selected Gram-positive cocci; and (iv) guidance on the possible use of epidemiological cut-off values in a clinical context.


Responsible Use of Antibiotics in Aquaculture

Responsible Use of Antibiotics in Aquaculture
Author: Pilar Hernández Serrano
Publisher: Food & Agriculture Org.
Total Pages: 112
Release: 2005
Genre: Business & Economics
ISBN: 9789251054369

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Antibiotics are drugs of natural or synthetic origin that have the capacity to kill or to inhibit the growth of micro-organisms. Antibiotics that are sufficiently non-toxic to the host are used as chemotherapeutic agents in the treatment of infectious diseases of humans, animals and plants. They have long been present in the environment and have played a crucial role in the battle between man and microbe. Many bacterial species multiply rapidly enough to double their numbers every 20-30 minutes, so their ability to adapt to changes in the environment and survive unfavourable conditions often results in the development of mutations that enable the species to survive changing external conditions. Another factor contributing to their adaptability is that individual cells do not rely on their own genetic resources. Many, if not all, have access to a large pool of itinerant genes that move from one bacteria cell to another and spread through bacterial populations through a variety of mobile genetic elements, of which plasmids and transposable elements are two examples. The capacity of bacteria to adapt to changes in their environment and thus survive is called resistance. Drug choices for the treatment of common infectious diseases are becoming increasingly limited and expensive and, in some cases, unavailable due to the emergence of drug resistance in bacteria and fungi - resistance that is threatening to reverse much medical progress of the past 50 years. Dissemination of resistant micro-organisms may occur in both hospitals and communities. It is recognized that a major route of transmission of resistant microorganisms from animals to humans is through the food chain. In aquaculture, antibiotics have been used mainly for therapeutic purposes and as prophylactic agents. The contribution to antimicrobial resistance of antibiotics used in aquaculture is reviewed here, using a risk analysis framework. Some recommendations on responsible conduct in this context are proposed, aimed at diminishing the threat of build up of antimicrobial resistance.


Improving Biosecurity Through Prudent and Responsible Use of Veterinary Medicines in Aquatic Food Production

Improving Biosecurity Through Prudent and Responsible Use of Veterinary Medicines in Aquatic Food Production
Author: Melba G. Bondad-Reantaso
Publisher: Food & Agriculture Organization of the UN (FAO)
Total Pages: 0
Release: 2012
Genre: Anti-infective agents
ISBN: 9789251069752

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The dramatic intensification and diversification of global aquaculture has made aquaculture an important food-producing sector, providing an essential source of aquatic protein for a growing human population. The sector is recognised as creator of jobs and an important source of foreign export earnings for both developed and developing countries. However, the expanded global movements of live aquatic animals have been accompanied by the transboundary spread of a wide variety of pathogens necessitating the routine use of veterinary medicines to prevent and treat disease outbreaks, assure healthy stocks and maximise production. The use of appropriate antimicrobial treatments is one of the most effective management responses to such emergencies, but their inappropriate use can lead to increased frequency of bacterial resistance, potential transfer of resistance genes in bacteria from the aquatic environment to other bacteria, and the occurrence of bacterial residues in aquaculture products resulting in bans by importing countries. The FAO/AAHRI Expert Workshop on Improving Biosecurity through Prudent and Responsible Use of Veterinary Medicines in Aquatic Food Production was convened in Bangkok, Thailand, from 15 to 18 December 2009, to understand the current status of the use of antimicrobials in aquaculture, and to discuss the concerns and impacts of their irresponsible use on human health, the aquatic environment and trade. The discussions became the basis for drafting recommendations targeted at government and private sectors, and for developing guiding principles on the responsible use of antimicrobials in aquaculture to be considered as part of future FAO Code of Conduct for Responsible Fisheries (CCRF) Technical Guidelines for Responsible Fisheries on Prudent and Responsible Use of Veterinary Medicines in Aquaculture. Part 1 of this publication contains 15 technical background papers presented during the expert workshop, contributed by 29 specialists. Part 2 contains the highlights of the expert workshop. Because aquaculture is expected to continue to increase its contribution to the world's production of aquatic food, offer opportunities to alleviate poverty, increase employment and community development, and reduce overexploitation of natural aquatic resources, appropriate guidance to aquaculture stakeholders on the responsible use of veterinary medicines has become essential. Safe and effective veterinary medicines need to be available for efficient aquaculture production, and their use should be in line with established principles on prudent use to safeguard public and animal health. The use of such medicines should be part of national and on-farm biosecurity plans and in accordance with an overall national policy for sustainable aquaculture.


Outputs and activities of FAO Project FMM/RAS/298/MUL and summary of FAO’s recent work on antimicrobial resistance in aquaculture

Outputs and activities of FAO Project FMM/RAS/298/MUL and summary of FAO’s recent work on antimicrobial resistance in aquaculture
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
Total Pages: 119
Release: 2020-10-01
Genre: Technology & Engineering
ISBN: 9251333696

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This report presents the implementation activities and results of the Food and Agriculture Organization of the United Nations (FAO) Project FMM/RAS/298/MUL: Strengthening capacities, policies, and national action plans on prudent and responsible use of antimicrobials in fisheries. The objectives of this project were to develop and/or enhance the knowledge, skills and capacity of the participating Competent Authorities on fisheries and aquaculture, as well as to assist them in the development and implementation of policies and national action plans (NAPs) on the prudent and responsible use of antimicrobials. The project enhanced the capacities of national Competent Authority (technical specialists, inspection and laboratory staff) to enable productive engagement with other lead agencies (e.g. the World Health Organization [WHO], national agriculture, food safety and animal health authorities), particularly with respect to their aquaculture and fish food safety component contributions to the NAP and the integration of the aquatic sector within the One Health framework. The report also briefly summarizes the recent actions and activities taken by FAO related to AMR in aquaculture since the completion of this project, including awareness raising targeting policymakers and aquaculture stakeholders, relevant publications, candidate reference centers and other ongoing projects to date.


Aquaponics Food Production Systems

Aquaponics Food Production Systems
Author: Simon Goddek
Publisher: Springer
Total Pages: 620
Release: 2019-06-21
Genre: Science
ISBN: 3030159434

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This open access book, written by world experts in aquaponics and related technologies, provides the authoritative and comprehensive overview of the key aquaculture and hydroponic and other integrated systems, socio-economic and environmental aspects. Aquaponic systems, which combine aquaculture and vegetable food production offer alternative technology solutions for a world that is increasingly under stress through population growth, urbanisation, water shortages, land and soil degradation, environmental pollution, world hunger and climate change.


Antimicrobial Resistance in Bacteria from Livestock and Companion Animals

Antimicrobial Resistance in Bacteria from Livestock and Companion Animals
Author: Stefan Schwarz
Publisher: John Wiley & Sons
Total Pages: 400
Release: 2020-07-02
Genre: Medical
ISBN: 155581980X

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The global spread of antimicrobial-resistant pathogenic bacteria is a continuing challenge to the health care of humans and domesticated animals. With no new agents on the horizon, it is imperative to use antimicrobial agents wisely to preserve their future efficacy. Led by Editors Stefan Schwarz, Lina Maria Cavaco, and Jianzhong Shen with Frank Møller Aarestrup, an international team of experts in antimicrobial resistance of livestock and companion animals has created this valuable reference for veterinary students and practitioners as well as researchers and decision makers interested in understanding and preventing antimicrobial resistance.


Aquaculture Engineering

Aquaculture Engineering
Author: Odd-Ivar Lekang
Publisher: John Wiley & Sons
Total Pages: 743
Release: 2013-01-15
Genre: Technology & Engineering
ISBN: 1118496094

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As aquaculture continues to grow at a rapid pace, understanding the engineering behind aquatic production facilities is of increasing importance for all those working in the industry. Aquaculture engineering requires knowledge of the many general aspects of engineering such as material technology, building design and construction, mechanical engineering, and environmental engineering. In this comprehensive book now in its second edition, author Odd-Ivar Lekang introduces these principles and demonstrates how such technical knowledge can be applied to aquaculture systems. Review of the first edition: 'Fish farmers and other personnel involved in the aquaculture industry, suppliers to the fish farming business and designers and manufacturers will find this book an invaluable resource. The book will be an important addition to the shelves of all libraries in universities and research institutions where aquaculture, agriculture and environmental sciences are studied and taught.' Aquaculture Europe 'A useful book that, hopefully, will inspire successors that focus more on warm water aquaculture and on large-scale mariculture such as tuna farming.' Cision