The growth of single-cell protein in aquafeed

The growth of single-cell protein in aquafeed

Year of publication 2022

Place of publication Bangkok, Thailand ;

Pages 8p.

Publisher FAO ;

Product type Brochure, flyer, fact-sheet

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Synopsis (short abstract) This review describes the use of feedstock yeasts and bacteria for acquaculture feed, with an emphasis on those sourced from carbon dioxide, ethanol and brewery by-products for their comparatively low costs and sustainability credentials. The scope of application of single-cell protein based feeds and their outcome, are benefits are presented. Aquaculture competes with fish meal use in the diets of swine, poultry and pets, and fish meal production cannot match the growth of all of these industries without jeopardizing forage fish stocks. While fish meal has been partially replaced with ingredients from as soy, this has raised environmental sustainability and fish welfare questions. A number of companies have emerged in the alternative protein sector including producers of proteins from single-cell organisms such as bacteria, yeast and microalgae. Proteins made from single-cell organisms are being produced in growing quantities for aquafeeds. Currently, there are aquafeed producers in Asia, Europe and North America lead this field. A considerable reduction in price and increase in volume will be required before single-cell proteins are widely used by aquafeed producers and aquatic farmers.

Cite this content as:

FAO. 2022. The growth of single-cell protein in aquafeed. Bangkok.

Language English

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Project

Aquaculture development and coordination programme. Fish feed technology. Lectures presented at the FAO/UNDP Training Course in Fish Feed Technology, Seattle, Washington, 9 October - 15 December 1978 1980

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The need for developing suitable feeds based on locally available inexpensive ingredients has been widely recognized. Since lack of trained personnel is the main constraint in the development of fish feed technology in developing countries, the FAO/UNDP Aquaculture Development and Coordination Programme (ADCP) organized a special training course in fish feed technology at the College of Fisheries, University of Washington, Seattle, with a view to forming a small corps of fish feed specialists wh o could then be the focal points for future feed development programmes in their respective countries. The first report of the training course was presented in the report ADCP /REP/79/8. This present volume represents the edited texts of lectures presented by different specialists. Some additional material has been included for more complete coverage of the subject. Together, these texts may be considered to constitute a manual on fish feed technology, even though they were not prepared for that purpose. Twenty-six papers are included, under the general headings: (1) Digestion, physiology and anatomy; (2) nutritional bioenergetics; (3) nutritional biochemistry; (4) feedstuffs; (5) feed formulation; (6) feed manufacturing technology; (7) practical diets; and (8) quality control. Appendices include conversion tables, electrical data, and details on pelletability of selective feedstuffs, pellet die specifications, and equipment requirements for an 8 ton an hour feed mill.
Meeting

Promote responsible production and use of feed and feed ingredients for sustainable growth of aquaculture in Asia-Pacific. Asia-Pacific Fishery Commission Thirty-fifth session (APFIC)
Cebu, the Philippines, 11-13 May 2018
2018

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Aquaculture has been one of the fastest growing food production sectors in the past three decades globally. The annual growth rate was at an average of 8 percent from 1984 to 2014. As the major contributor to the world aquaculture production, Asia achieved an average annual growth of 8.4 percent in the same period, and the production reached 92.8 tonnes in 2014, accounting for 91.7 percent. Currently, Asian aquaculture supplies some 60 percent of food fish for consumption while contributing significantly to rural livelihood. The rapid production growth has been largely attributed to intensification of production with increasing dependence on artificial feeding. Finfish and crustacean are two major groups of cultured aquatic animals that require artificial feeding, in the forms of commercial feeds, farm-made feeds, and fresh feeds. Their global production reached 56.8 million tonnes in 2014, including some 6.92 million tonnes of crustacean and 49.9 million tonnes of finfish. With silver carp, catla and bighead (filter feeder on plankton) excluded, it was estimated that 38.8 million tonnes of finfish out of the total 49.9 million tonnes were produced through entire or partial feeding based on the feeding habit and common culture practices. Therefore, aquaculture commodities produced through partial or complete feeding accounted for 45.2 percent globally in 2014, while it was only 42.5 percent 10 years ago. The total production of aquaculture species depending on artificial feeding has increased by 97.9 percent in the past 10 years.
Brochure, flyer, fact-sheet

Is the time ripe for using insect meal in aquafeeds? 2022

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Feed cost shares the highest proportion in aquaculture production cost. It could range from 40 percent to 70 percent of the total cost. Insects can convert agricultural food wastes into larvae and these larvae can be fed to aquatic animals, potentially reducing feed costs. More and more companies are producing the larvae of insects such as mealworms and black soldier fly for use in aquafeeds, but the sector has a long way to go before it can match either the volume or price of fish meal. Food wastes, particularly in Asia, have multiple-use options, so insect production facilities have to compete for a regular waste supply. On the other hand, farming of insects requires minimal land area, limited water use and its greenhouse gas emissions are reported to be relatively low. The inclusion of insect meal in aquafeeds could have health benefits for a variety of farmed species. It is a valuable alternative to the use of fish meal.

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