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Feed ingredients and fertilizers for aquatic animals: sources and composition









Tacon, A.G.J.; Metian, M.; Hasan, M.R. Feed ingredients and fertilizers for farmed aquatic animals: sources and composition. FAO Fisheries and Aquaculture Technical Paper. No. 540. Rome, FAO. 2009. 209p.


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    The present technical paper investigates and evaluates the underlying reasons for the recent dramatic rise in prices of many of the commodities (e.g., soybean, corn, fishmeal, fish oil, rice and wheat) used in aquafeed production and its consequences for the aquafeed industry, and in particular, on demand and expectations from aquaculture in securing current and future fish supplies with particular reference to Asia and Europe. This technical paper also discusses issues related to avai lability of and access to land and water resources, and the impact of other sectors, using these resources, on the direction of aquaculture both in terms of species produced and the production systems. In the light of probable increase in competition for land and water in many aquaculture producing countries in Asia, there will inevitably be increasing pressure to intensify aquaculture productivity through the use of more commercial feeds than farm-made feeds. Due to the increasing p rices of ingredients, aquafeed prices, especially the prices of compound aquafeeds, may increase further and a shortfall in the local supplies will compel importation of aquafeeds. Of the ingredients, fishmeal and fish oil are highly favoured for aquafeeds and aquafeed production is under increasing pressure due to limited supplies and increasing price of fishmeal and fish oil. Considering these factors, this review also outlines initiatives that are searching for substitutes for fishm eal and fish oil so as to position the industry to meet the challenge of securing aquafeed for sustaining aquaculture. A brief overview of coping strategies to strengthen national capacity to address the issue of aquafeed supply and to mitigate rising prices of aquafeed ingredient is given. These strategies include policies, research and private sector and farmers’ initiatives.
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    This report summarizes the proceedings and outcomes of the “Expert workshop on local alternative ingredients, aquafeed supply and feeding management” convened in Abbassa, Egypt, from 3 to 5 December 2023. The workshop brought together acknowledged aquafeed experts from African countries, governmental agencies, universities, development organizations, private industry and farmers. The workshop was jointly organized by the FAO Fisheries and Aquaculture Division (NFI) and WorldFish Egypt and hosted by the WorldFish Centre in Abbassa, Egypt. The workshop objectives were to: i) exchange and share knowledge of the use of local alternative ingredients, aquafeed supply and feeding management; ii) showcase technological advances and innovations in local alternative ingredients, aquafeed supply and feeding management; iii) identify country-specific challenges and issues in local alternative ingredients, aquafeed supply and feeding management; iv) identify national and regional needs for technical assistance and capacity building on local alternative ingredients, aquafeed supply and feeding management; and v) recommend strategies to address identified development priorities, knowledge products on local alternative ingredients, aquafeed supply and feeding management. The workshop was divided into an overview, country presentations, technical and producer sessions. The country presentation session included presentations from Cameroon, Egypt, Ghana, Kenya, Malawi, Nigeria, United Republic of Tanzania, Uganda and Zambia. The farmers’ experiences were presented by small farmers from Egypt, Kenya, Nigeria and Sierra Leone and experiences from Egyptian aquafeed industries. Following a general plenary discussion, the participants identified seven primary issues that currently constrain aquafeed production and feeding management in African aquaculture, namely: i) limited access to information on alternative feed ingredients (availability and accessibility); ii) poor feed preparation, processing, handling and storage at the farm level; iii) inadequate monitoring of on-farm feeding and farm performances; iv) inadequate investment and operating capitals for small-scale feed producers and farmers; v) inadequate knowledge and skills of farmers and extension workers in improved farm-made feed production, feeding management and farm performances; vi) poor feed quality and availability; and vii) lack of appropriate legal and policy frameworks required for sustainable aquaculture development including quality aquafeed manufacturing. Recommendations were proposed and classified under four categories: i) governance, ii) research and development, iii) capacity building, and iv) value chain.
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    Consistent with the need to provide safe food for young children, particularly during the complementary feeding period between 12 and 36 months and the period of rapid development to age 59 months, the Food and Agriculture Organization of the United Nations (FAO) convened an Expert Working Group the FAO Headquarters, Rome, Italy, from 6 to 9 November 2017. The meeting addressed questions related to protein quality evaluation in two distinct products used to feed children in different conditions: Ready to Use Therapeutic Food (RUTF) and Follow up Formula for Young Children (FUF-YC). Specific meeting objectives were: • To determine the appropriate comparative protein or amino acid reference pattern to define protein quality for use in FUF-YC and RUTF. • To provide guidance on the preferred protein quality assessment methodology that should be stipulated with the standards for FUF-YC and RUTF. • To provide guidance on the measurement of protein and amino acid digestibility. • To provide the appropriate reference amino acid profiles and the amino acid composition of common ingredients used for FUF-YC and RUTF. • To provide cost implications for countries to use PDCAAS in FUF-YC and RUTF. This report provides future research recommendations including the need to generate data on the true ileal digestibility for different protein sources so that Digestible Indispensable Amino Acid Score (DIAAS) values can be used in the future.

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