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FAO Aquaculture Newsletter 44 - April 2010










FAO. FAN - FAO Aquaculture Newsletter. No. 44. December 2010 Rome, FAO. 2010. 28p.


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    Aquaculture in desert and arid lands: development constraints and opportunities. FAO Technical Workshop. 6-9 July 2010, Hermosillo, Mexico 2011
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    Aquaculture in desert and arid lands has been growing steadily over the last decade thanks to the modern technologies and alternative energy sources that have allowed water in these places of extremes to be exploited more effectively and more efficiently, using it for both crop irrigation and production of fish. This publication presents the evolution of desert and arid lands aquaculture in the past few decades in seven countries and regions (Australia, Egypt, Israel, Mexico, Southern Africa, the United States of America and Central Asia) describing the achievements of a number of farming operations, which demonstrate the significant potential for farming commercial aquatic organisms using geothermal, fresh and brackish waters. The global overview on desert aquaculture development shows, through the use of maps and tables, those countries with vast extensions of arid territories that should be better investigated for potential aquaculture development. Limiting f actors were extensively discussed during the workshop, and several measures were identified and proposed. Desert conditions are characterized by high day temperatures, cold winter nights, high solar radiation, scarce precipitation and very low relative humidity. The experts reached consensus on the definition of aquaculture in the desert and arid lands, which was defined as follows: “Aquaculture activities practised in desert and arid lands characterized by low precipitation (<250 mm/y ear), high solar radiation, high rate of evaporation, using subsurface and surface water”. At the end of the workshop, a series of recommendations were elaborated by the experts to assist FAO Member countries wishing to generate a favourable national environment to promote sustainable aquaculture development. Limited water supply remains the single largest constraint for aquaculture development in arid and semi-arid regions; however, where the resource is available, the development of integrated aqua-agriculture systems may certainly provide economic output opportunities from such resource-limited regions. Such farming systems may also enable the production of highly priced fish, vegetables and fruits all year round.
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    Report of the FAO Expert Workshop on On-farm feeding and feed management in aquaculture. Manila, the Philippines, 13–15 September 2010. 2010
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    The FAO Expert Workshop on “On-farm feeding and feed management in aquaculture” was convened in Manila, the Philippines, from 13–15 September 2010. The workshop was attended by a wide range of aquaculture researchers, development specialists and industrial experts from around the world. The workshop was convened by the FAO Fisheries and Aquaculture Department, Aquaculture Service (FIRA) and was hosted by the Southeast Asian Fisheries Development Center Aquaculture Department (SEAFDEC/AQD) based in Iloilo, the Philippines. The workshop was organized with three objectives: a) to review and analyze the existing knowledge on the application of feed management as a tool for reducing feed costs in aquaculture, b) to identify the major issues and constraints of feed management and those that need to be addressed and c) to prepare a list of recommendations to define/suggest the future course of action, including the preparation of technical manuals/guidelines for dissemination to farmers. The workshop convened both in plenary and in working groups. In the plenary, participants heard technical presentations intended to orient them to the issues and constraints pertaining to on-farm feeding and feed management. These presentations included invited reviews, case studies and synthesis of the case studies. Following several working group deliberations and a general plenary discussion, the participants identified seven primary issues that currently constrain feed use and management in aqua culture, namely: 1) limited access to information on feed and feed ingredients (availability, prices and quality); 2) poor feed preparation, processing, handling and storage at the farm level; 3) inadequate monitoring of feed and farm performances; 4) low impact of current dissemination strategies on improved feeding and feed management; 5) gaps in the understanding of the economic aspects of feed management; 6) health aspects and their implications on feed management; and 7) feed quality – lack of regulatory mechanisms. A comprehensive set of recommendations was developed to overcome the constraints that were identified, and it is anticipated that these recommendations will guide FIRA’s future work in this arena. The workshop proceedings and recommendations, invited reviews, case studies and syntheses will form the basis for an FAO Fisheries and Aquaculture Technical Paper entitled “On-farm feeding and feed management in aquaculture” which will be published in due course.
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    FAO Aquaculture Newsletter 46 - December 2010 2010
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    The December 2010 issue of FAN contains an editorial on "ntroduced species in fisheries and aquaculture" which represents an issue of concern for genetic implications of native species; a large part of this issue is dedicated to the outcomes of the Global Conference of Aquaculture held in Phuket, Thailand (22-25 September 2010) and the Fifth Session of the COFI-Sub-Committee on Aquaculture (27 September-1 October 2010); the recently-established NASO map collection Web site; articles on strengthe ning aquaculture biosecurity capacity in Southern Africa; ecolabelling, certification and responsible fisheries and aquaculture; on-farm feeding and feed management in aquaculture; an expert workshop in enhancing the contribution of smallscale aquaculture to food security, poverty alleviation and socio economic development; fifth meeting of the RECOFI Working Group on Aquaculture; and RECOFI Technical Workshop on Spatial Planning for Marine Capture Fisheries and Aquaculture. Other articles and F AO aquaculture publications are also featured.

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