The Application of Single-Cell Ingredients in Aquaculture Feeds—A Review

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ID: 112019
2020
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Abstract
Single-cell ingredients (SCI) are a relatively broad class of materials that encompasses bacterial, fungal (yeast), microalgal-derived products or the combination of all three microbial groups into microbial bioflocs and aggregates. In this review we focus on those dried and processed single-cell organisms used as potential ingredients for aqua-feeds where the microorganisms are considered non-viable and are used primarily to provide protein, lipids or specific nutritional components. Among the SCI, there is a generalised dichotomy in terms of their use as either single-cell protein (SCP) resources or single-cell oil (SCO) resources, with SCO products being those oleaginous products containing 200 g/kg or more of lipids, whereas those products considered as SCP resources tend to contain more than 300 g/kg of protein (on a dry basis). Both SCP and SCO are now widely being used as protein/amino acid sources, omega-3 sources and sources of bioactive molecules in the diets of several species, with the current range of both these ingredient groups being considerable and growing. However, the different array of products becoming available in the market, how they are produced and processed has also resulted in different nutritional qualities in those products. In assessing this variation among the products and the application of the various types of SCI, we have taken the approach of evaluating their use against a set of standardised evaluation criteria based around key nutritional response parameters and how these criteria have been applied against salmonids, shrimp, tilapia and marine fish species.
Reference Key
glencross2020fishesthe Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Brett D. Glencross;David Huyben;Johan W. Schrama;Glencross, Brett D.;Huyben, David;Schrama, Johan W.;
Journal fishes
Year 2020
DOI
10.3390/fishes5030022
URL
https://www.mdpi.com/2410-3888/5/3/22/htm
Keywords
bacteria protein microalgae yeast oils fungal raw materials biofloc

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