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  • Growth parameters, innate immune response and resistance to Listonella (Vibrio) anguillarum of Dicentrarchus labrax fed carvacrol supplemented diets.

    Author(s) : Volpatti, D.Bulfon, C.Tulli, F.Galeotti, M.

    Author Affiliation : Aquaculture and Fish Pathology Research Group, Department of Food Science, University of Udine, Via Sondrio 2, 33100, Udine, Italy.

    Author Email : donatella.volpatti@uniud.it

    Journal article : Aquaculture Research 2013 Vol.45 No.1 pp.31-44 ref.49

    Abstract : The research was aimed to assess the effect of dietary carvacrol (0.025% and 0.05%) on sea basssea bassSubject Category: Organism Names
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    (Dicentrarchus labraxdicentrarchus labraxSubject Category: Organism Names
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    ) growth, immune responseimmune responseSubject Category: Natural Processes
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    and resistance to Listonella anguillarum. FishfishSubject Category: Commodities and Products
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    (69.2±0.22 g) were fed the experimental dietsdietsSubject Category: Miscellaneous
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    for 9 weeks. Dietary carvacrol did not negatively affect fish survival, growth performance, feed intakefeed intakeSubject Category: Properties
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    and feed conversionfeed conversionSubject Category: Miscellaneous
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    ratio (P>0.05) nor carcass yieldcarcass yieldSubject Category: Properties
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    and viscerosomatic, hepatosomatic and mesenteric fat index (P>0.05). Serum and head kidney leucocytes were collected after 1, 4 and 8 weeks of feeding. Carvacrol significantly reduced serum proteins, immunoglobulinsimmunoglobulinsSubject Category: Chemicals and Chemical Groups
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    and lysozymelysozymeSubject Category: Chemicals and Chemical Groups
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    activity (P<0.01) and moderately increased phagocytosis and pinocytosis of head kidney macrophagesmacrophagesSubject Category: Anatomical and Morphological Structures
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    . The release of reactive oxygen species by leucocytes was reduced in carvacrol-fed fish, even if significantly (P<0.05) only in those fed 0.05% carvacrol for 1 week. Dietary carvacrol did not significantly affect the aspecific immune response, although a potential antioxidant activity might be speculated. Moreover, feeding carvacrol provided an appreciable resistance to a challenge with L. anguillarum, when a bacterial dose lower than the Lethal Dose50 was used. Cumulative mortalitymortalitySubject Category: Miscellaneous
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    in fish fed 0.025% carvacrol was significantly lower than that of untreated controls (75% Relative Per cent Survival).

    ISSN : 1355-557X

    DOI : 10.1111/j.1365-2109.2012.03202.x

    Record Number : 20143009913

    Publisher : Wiley-Blackwell

    Location of publication : Oxford

    Country of publication : UK

    Language of text : English

    Indexing terms for this abstract:

    Organism descriptor(s) : bassbassSubject Category: Organism Names
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    , DicentrarchusdicentrarchusSubject Category: Organism Names
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    , Dicentrarchus labraxdicentrarchus labraxSubject Category: Organism Names
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    , sea basssea bassSubject Category: Organism Names
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    , VibriovibrioSubject Category: Organism Names
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    , Vibrio anguillarumvibrio anguillarumSubject Category: Organism Names
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    Descriptor(s) : animal feedinganimal feedingSubject Category: Techniques, Methodologies and Equipment
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    , antioxidantsantioxidantsSubject Category: Chemicals and Chemical Groups
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    , aquacultureaquacultureSubject Category: Disciplines, Occupations and Industries
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    , aquatic animalsaquatic animalsSubject Category: Organism Groups
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    , aquatic organismsaquatic organismsSubject Category: Organism Groups
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    , blood chemistryblood chemistrySubject Category: Miscellaneous
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    , blood proteinsblood proteinsSubject Category: Chemicals and Chemical Groups
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    , blood serumblood serumSubject Category: Anatomical and Morphological Structures
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    , carcass yieldcarcass yieldSubject Category: Properties
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    , carcassescarcassesSubject Category: Commodities and Products
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    , dietsdietsSubject Category: Miscellaneous
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    , disease resistancedisease resistanceSubject Category: Properties
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    , feed conversionfeed conversionSubject Category: Miscellaneous
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    , feed intakefeed intakeSubject Category: Properties
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    , feedingfeedingSubject Category: Techniques, Methodologies and Equipment
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    , feedsfeedsSubject Category: Commodities and Products
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    , fishfishSubject Category: Commodities and Products
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    , globulinsglobulinsSubject Category: Chemicals and Chemical Groups
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    , growth rategrowth rateSubject Category: Properties
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    , immune responseimmune responseSubject Category: Natural Processes
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    , immunoglobulinsimmunoglobulinsSubject Category: Chemicals and Chemical Groups
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    , leukocytesleukocytesSubject Category: Anatomical and Morphological Structures
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    , lysozymelysozymeSubject Category: Chemicals and Chemical Groups
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    , macrophagesmacrophagesSubject Category: Anatomical and Morphological Structures
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    , meatmeatSubject Category: Commodities and Products
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    , mortalitymortalitySubject Category: Miscellaneous
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    , proteinsproteinsSubject Category: Chemicals and Chemical Groups
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    , supplementary feedingsupplementary feedingSubject Category: Miscellaneous
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    Identifier(s) : aquatic species, bacterium, blood plasma proteins, blood serum proteins, death rate, feeding stuffs, gamma-globulins, immune globulins, immunity reactions, immunological reactions, leucocytes, resistance to disease, white blood cells

    Broader term(s) : PerciformesperciformesSubject Category: Organism Names
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    , OsteichthyesosteichthyesSubject Category: Organism Names
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    , fishesfishesSubject Category: Organism Names
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    , vertebratesvertebratesSubject Category: Organism Names
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    , ChordatachordataSubject Category: Organism Names
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    , animalsanimalsSubject Category: Organism Names
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    , eukaryoteseukaryotesSubject Category: Organism Names
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    , MoronidaemoronidaeSubject Category: Organism Names
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    , DicentrarchusdicentrarchusSubject Category: Organism Names
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    , SerranidaeserranidaeSubject Category: Organism Names
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    , VibrionaceaevibrionaceaeSubject Category: Organism Names
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    , VibrionalesvibrionalesSubject Category: Organism Names
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    , GammaproteobacteriagammaproteobacteriaSubject Category: Organism Names
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    , ProteobacteriaproteobacteriaSubject Category: Organism Names
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    , BacteriabacteriaSubject Category: Organism Names
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    , prokaryotesprokaryotesSubject Category: Organism Names
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    , VibriovibrioSubject Category: Organism Names
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