Feeding behaviour and digestive physiology in larval fish: current knowledge, and gaps and bottlenecks in research
Identifieur interne : 001424 ( Istex/Corpus ); précédent : 001423; suivant : 001425Feeding behaviour and digestive physiology in larval fish: current knowledge, and gaps and bottlenecks in research
Auteurs : Ivar R Nnestad ; Manuel Yúfera ; Bernd Uebersch R ; Laura Ribeiro ; Ystein S Le ; Clara BoglioneSource :
- Reviews in Aquaculture [ 1753-5123 ] ; 2013-05.
Abstract
Food uptake follows rules defined by feeding behaviour that determines the kind and quantity of food ingested by fish larvae as well as how live prey and food particles are detected, captured and ingested. Feeding success depends on the progressive development of anatomical characteristics and physiological functions and on the availability of suitable food items throughout larval development. The fish larval stages present eco‐morpho‐physiological features very different from adults and differ from one species to another. The organoleptic properties, dimensions, detectability, movements characteristics and buoyancy of food items are all crucial features that should be considered, but is often ignored, in feeding regimes. Ontogenetic changes in digestive function lead to limitations in the ability to process certain feedstuffs. There is still a lack of knowledge about the digestion and absorption of various nutrients and about the ontogeny of basic physiological mechanisms in fish larvae, including how they are affected by genetic, dietary and environmental factors. The neural and hormonal regulation of the digestive process and of appetite is critical for optimizing digestion. These processes are still poorly described in fish larvae and attempts to develop optimal feeding regimes are often still on a ‘trial and error’ basis. A holistic understanding of feeding ecology and digestive functions is important for designing diets for fish larvae and the adaptation of rearing conditions to meet requirements for the best presentation of prey and microdiets, and their optimal ingestion, digestion and absorption. More research that targets gaps in our knowledge should advance larval rearing.
Url:
DOI: 10.1111/raq.12010
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ISTEX:202917F3EDEB79A13382B35ACA33F03C724623AALe document en format XML
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Feeding success depends on the progressive development of anatomical characteristics and physiological functions and on the availability of suitable food items throughout larval development. The fish larval stages present eco‐morpho‐physiological features very different from adults and differ from one species to another. The organoleptic properties, dimensions, detectability, movements characteristics and buoyancy of food items are all crucial features that should be considered, but is often ignored, in feeding regimes. Ontogenetic changes in digestive function lead to limitations in the ability to process certain feedstuffs. There is still a lack of knowledge about the digestion and absorption of various nutrients and about the ontogeny of basic physiological mechanisms in fish larvae, including how they are affected by genetic, dietary and environmental factors. The neural and hormonal regulation of the digestive process and of appetite is critical for optimizing digestion. These processes are still poorly described in fish larvae and attempts to develop optimal feeding regimes are often still on a ‘trial and error’ basis. A holistic understanding of feeding ecology and digestive functions is important for designing diets for fish larvae and the adaptation of rearing conditions to meet requirements for the best presentation of prey and microdiets, and their optimal ingestion, digestion and absorption. More research that targets gaps in our knowledge should advance larval rearing.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Ivar Rønnestad</name><affiliations><json:string>Department of Biology, University of Bergen, Bergen, Norway</json:string><json:string>Ivar Rønnestad, Department of Biology, University of Bergen, Pb 7803, 5020 Bergen, Norway. 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Feeding success depends on the progressive development of anatomical characteristics and physiological functions and on the availability of suitable food items throughout larval development. The fish larval stages present eco‐morpho‐physiological features very different from adults and differ from one species to another. The organoleptic properties, dimensions, detectability, movements characteristics and buoyancy of food items are all crucial features that should be considered, but is often ignored, in feeding regimes. Ontogenetic changes in digestive function lead to limitations in the ability to process certain feedstuffs. There is still a lack of knowledge about the digestion and absorption of various nutrients and about the ontogeny of basic physiological mechanisms in fish larvae, including how they are affected by genetic, dietary and environmental factors. The neural and hormonal regulation of the digestive process and of appetite is critical for optimizing digestion. These processes are still poorly described in fish larvae and attempts to develop optimal feeding regimes are often still on a ‘trial and error’ basis. A holistic understanding of feeding ecology and digestive functions is important for designing diets for fish larvae and the adaptation of rearing conditions to meet requirements for the best presentation of prey and microdiets, and their optimal ingestion, digestion and absorption. 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Feeding success depends on the progressive development of anatomical characteristics and physiological functions and on the availability of suitable food items throughout larval development. The fish larval stages present eco‐morpho‐physiological features very different from adults and differ from one species to another. The organoleptic properties, dimensions, detectability, movements characteristics and buoyancy of food items are all crucial features that should be considered, but is often ignored, in feeding regimes. Ontogenetic changes in digestive function lead to limitations in the ability to process certain feedstuffs. There is still a lack of knowledge about the digestion and absorption of various nutrients and about the ontogeny of basic physiological mechanisms in fish larvae, including how they are affected by genetic, dietary and environmental factors. The neural and hormonal regulation of the digestive process and of appetite is critical for optimizing digestion. These processes are still poorly described in fish larvae and attempts to develop optimal feeding regimes are often still on a ‘trial and error’ basis. A holistic understanding of feeding ecology and digestive functions is important for designing diets for fish larvae and the adaptation of rearing conditions to meet requirements for the best presentation of prey and microdiets, and their optimal ingestion, digestion and absorption. 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Email: <email>ivar.ronnestad@bio.uib.no</email></line></lineatedText></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:RAQ.RAQ12010.pdf"></link></linkGroup></publicationMeta><contentMeta><titleGroup><title type="main">Feeding behaviour and digestive physiology in larval fish: current knowledge, and gaps and bottlenecks in research</title><title type="shortAuthors">I. 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Feeding success depends on the progressive development of anatomical characteristics and physiological functions and on the availability of suitable food items throughout larval development. The fish larval stages present eco‐morpho‐physiological features very different from adults and differ from one species to another. The organoleptic properties, dimensions, detectability, movements characteristics and buoyancy of food items are all crucial features that should be considered, but is often ignored, in feeding regimes. Ontogenetic changes in digestive function lead to limitations in the ability to process certain feedstuffs. There is still a lack of knowledge about the digestion and absorption of various nutrients and about the ontogeny of basic physiological mechanisms in fish larvae, including how they are affected by genetic, dietary and environmental factors. The neural and hormonal regulation of the digestive process and of appetite is critical for optimizing digestion. These processes are still poorly described in fish larvae and attempts to develop optimal feeding regimes are often still on a ‘trial and error’ basis. A holistic understanding of feeding ecology and digestive functions is important for designing diets for fish larvae and the adaptation of rearing conditions to meet requirements for the best presentation of prey and microdiets, and their optimal ingestion, digestion and absorption. More research that targets gaps in our knowledge should advance larval rearing.</p></abstract></abstractGroup></contentMeta><noteGroup xml:id="raq12010-ntgp-0001"><note numbered="no" xml:id="raq12010-note-0001">Re‐use of this article is permitted in accordance with the Terms and Conditions set out at <url href="http://wileyonlinelibrary.com/onlineopen#OnlineOpen_Terms">http://wileyonlinelibrary.com/onlineopen#OnlineOpen_Terms</url></note></noteGroup></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Feeding behaviour and digestive physiology in larval fish: current knowledge, and gaps and bottlenecks in research</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Feeding behaviour and digestive physiology in larval fish: current knowledge, and gaps and bottlenecks in research</title></titleInfo><name type="personal"><namePart type="given">Ivar</namePart><namePart type="family">Rønnestad</namePart><affiliation>Department of Biology, University of Bergen, Bergen, Norway</affiliation><affiliation>Ivar Rønnestad, Department of Biology, University of Bergen, Pb 7803, 5020 Bergen, Norway. Email:</affiliation><affiliation>E-mail: ivar.ronnestad@bio.uib.no</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Manuel</namePart><namePart type="family">Yúfera</namePart><affiliation>Instituto de Ciencias Marinas de Andalucía (ICMAN‐CSIC), Puerto Real, Cádiz, Spain</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Bernd</namePart><namePart type="family">Ueberschär</namePart><affiliation>Helmholtz Centre for Ocean Research Kiel – GEOMAR, Kiel, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Laura</namePart><namePart type="family">Ribeiro</namePart><affiliation>Aquaculture Research Center of Portuguese Institute of Sea and Atmosphere, Olhão, Portugal</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Øystein</namePart><namePart type="family">Sæle</namePart><affiliation>National Institute of Nutrition and Seafood Research (NIFES), Bergen, Norway</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Clara</namePart><namePart type="family">Boglione</namePart><affiliation>Department of Biology, University of Rome ‘Tor Vergata’, Rome, Italy</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="review-article" displayLabel="reviewArticle"></genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><dateIssued encoding="w3cdtf">2013-05</dateIssued><dateCreated encoding="w3cdtf">2012-10-01</dateCreated><dateCaptured encoding="w3cdtf">2012-04-15</dateCaptured><dateValid encoding="w3cdtf">2012-08-23</dateValid><copyrightDate encoding="w3cdtf">2013</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract>Food uptake follows rules defined by feeding behaviour that determines the kind and quantity of food ingested by fish larvae as well as how live prey and food particles are detected, captured and ingested. Feeding success depends on the progressive development of anatomical characteristics and physiological functions and on the availability of suitable food items throughout larval development. The fish larval stages present eco‐morpho‐physiological features very different from adults and differ from one species to another. The organoleptic properties, dimensions, detectability, movements characteristics and buoyancy of food items are all crucial features that should be considered, but is often ignored, in feeding regimes. Ontogenetic changes in digestive function lead to limitations in the ability to process certain feedstuffs. There is still a lack of knowledge about the digestion and absorption of various nutrients and about the ontogeny of basic physiological mechanisms in fish larvae, including how they are affected by genetic, dietary and environmental factors. The neural and hormonal regulation of the digestive process and of appetite is critical for optimizing digestion. These processes are still poorly described in fish larvae and attempts to develop optimal feeding regimes are often still on a ‘trial and error’ basis. A holistic understanding of feeding ecology and digestive functions is important for designing diets for fish larvae and the adaptation of rearing conditions to meet requirements for the best presentation of prey and microdiets, and their optimal ingestion, digestion and absorption. More research that targets gaps in our knowledge should advance larval rearing.</abstract><note type="funding">Research Council of Norway - No. 199482; No. 190019; </note><note type="funding">EC FP7 - No. LIFECYCLE‐ 222719; </note><note type="funding">Spanish Ministry of Science and Innovation MICINN + FEDER/ERDF</note><note type="funding">Italian Ministry of Agricultural, Forestry and Alimentary Policy</note><subject><genre>keywords</genre><topic>absorption</topic><topic>digestion</topic><topic>gut</topic><topic>ingestion</topic></subject><relatedItem type="host"><titleInfo><title>Reviews in Aquaculture</title></titleInfo><titleInfo type="abbreviated"><title>Rev Aquacult</title></titleInfo><genre type="journal">journal</genre><subject><genre>article-category</genre><topic>Review</topic></subject><identifier type="ISSN">1753-5123</identifier><identifier type="eISSN">1753-5131</identifier><identifier type="DOI">10.1111/(ISSN)1753-5131</identifier><identifier type="PublisherID">RAQ</identifier><part><date>2013</date><detail type="volume"><caption>vol.</caption><number>5</number></detail><detail type="supplement"><caption>Suppl. no.</caption><number>s1</number></detail><extent unit="pages"><start>S59</start><end>S98</end><total>40</total></extent></part></relatedItem><identifier type="istex">202917F3EDEB79A13382B35ACA33F03C724623AA</identifier><identifier type="DOI">10.1111/raq.12010</identifier><identifier type="ArticleID">RAQ12010</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2013 Wiley Publishing Asia Pty Ltd© 2013 Wiley Publishing Asia Pty Ltd</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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