| Influence of β-glucan on innate immunity and resistance of Lutjanus guttatus to an experimental infection of dactylogyrid monogeneans. | |
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MedLine Citation:
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PMID: 21711364 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The present study investigated the effect of β-1,3/1,6-glucan on growth, haematology, innate immunity and resistance against dactylogyrids on the spotted rose snapper (Lutjanus guttatus). Fish were fed during five weeks with commercial diet (control group) and same diet supplemented with three levels of β-glucans (0.05%, 0.1% y 0.5%/kg feed). The results showed that at concentrations of 0.05% and 0.1%, fish growth was enhanced and in week 2 and 4, an increased of cellular responses as: percentage of monocytes, neutrophils, respiratory burst activity, and nitric oxide activity were observed. In diet with 0.5%β-glucans, changes were registered at the end of the experiment. 0.05%β-glucans showed the best response to most of the analyzed parameters at week 2. In a second trial, diet with 0.05%β-glucans was chosen to prove its effect on the resistance of infected fish with monogeneans. The results showed that fish reduce significantly the number of dactylogyrids and parameters as: WBC, percentage of lymphocytes, neutrophils and eosinophils were increased. In addition, WBC and percentage of thrombocytes increased in the control (+). The β-glucans has the potential to be use in diet formulations of the spotted rose snapper and to limit the adverse effects of dactylogyrids. |
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Authors:
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O B Del Rio-Zaragoza; E J Fajer-Ávila; P Almazán-Rueda |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-6-29 |
Journal Detail:
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Title: Parasite immunology Volume: - ISSN: 1365-3024 ISO Abbreviation: - Publication Date: 2011 Jun |
Date Detail:
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Created Date: 2011-6-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7910948 Medline TA: Parasite Immunol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Blackwell Publishing Ltd. |
Affiliation:
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Centro de Investigación en Alimentación y Desarrollo (CIAD), A.C., Unidad Mazatlán en Acuicultura y Manejo Ambiental. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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