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Dietary onion and ginger enhance growth, hemato-immunological responses, and disease resistance in brown-marbled grouper, Epinephelus fuscoguttatus

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Associated URL
www.bioflux.com.ro
Date
2012
Author
Apines-Amar, Mary Jane S.
Amar, Edgar C.
Faisan, Joseph P., Jr.
Pakingking, Rolando V., Jr.
Satoh, Shuichi
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370
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Abstract
A 12-week (September to December 2009) feeding trial was conducted to evaluate theimmunostimulatory effects of different substances administered orally through the diet in the brown-marbled grouper, Epinephelus fuscoguttatus. Five experimental diets containing either onion, ginger, β–glucan, or vitamin C and a control diet (without immunostimulants) were fed to the fish weighing about 44 g for 12 weeks. Onion-fed fish showed significantly increased weight gain, hematocrit, and total Ig compared to the control group; however, leukocyte differential count and ROS production were unaffected. Ginger-fed fish likewise significantly increased total Ig, ROS production and lysozyme activity. However, it did not affect growth and hematocrit value. β-glucan significantly increased growth and total Ig but had no effect on the other parameters. Vitamin C significantly increased hematocrit, total Ig and ROS production but did not increase growth. Upon challenge with a bacterial pathogen Vibrio harveyi, mortality was significantly reduced in the onion, ginger and vitamin C-fed fish but not in the β–glucan-fed fish. This study demonstrated that onion and ginger could positively affect the innate immune responses and protect grouper against Vibrio harveyi infection.
Keywords
disease resistance innate immunity ginger grouper onion
URI
http://hdl.handle.net/10862/1726
Suggested Citation
Apines-Amar, M. J. S., Amar, E. C., Faisan, J. P., Jr., Pakingking, R. V., Jr., & Satoh, S. (2012). Dietary onion and ginger enhance growth, hemato-immunological responses, and disease resistance in brown-marbled grouper, Epinephelus fuscoguttatus. Aquaculture, Aquarium, Conservation and Legislation, 5(4), 231-239. http://hdl.handle.net/10862/1726
Subject
immunity; immunization; vitamin C; ascorbic acid; lymphocytes; disease resistance; ginger; onions; groupers; pathogenicity; innate immunity
Taxonomic term
Epinephelus fuscoguttatus
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  • AQD Journal Articles [1248]

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    Growth, plasma cortisol, liver and kidney histology, and resistance to vibriosis in brown-marbled grouper, Epinephelus fuscoguttatus fed onion and ginger 

    Apines-Amar, Mary Jane S.; Amar, Edgar C.; Faisan, Joseph P., Jr. (Bioflux, 2013)
    The health-promoting effects of dietary onion and ginger were studied in brown marbled grouper, Epinephelus fuscoguttatus. An eight-week feeding trial was conducted to evaluate the effects of dietary onion and ginger on ...
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    Dietary onion or ginger modulates the stress response and susceptibility to Vibrio harveyi JML1 infection in brown-marbled grouper Epinephelus fuscoguttatus juveniles 

    Amar, Edgar C.; Apines-Amar, Mary Jane S.; Faisan, Joseph P., Jr. (American Fisheries Society, 2018)
    Onion Allium cepa and ginger Zingiber officinale have health‐promoting properties that qualify them as functional foods. The effect of repeated acute stressors was examined in juvenile Brown‐marbled Grouper Epinephelus ...
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    Temporal changes in innate immunity parameters, epinecidin gene expression, and mortality in orange-spotted grouper, Epinephelus coioides experimentally infected with a fish pathogen, Vibrio harveyi JML1 

    Amar, Edgar C.; Faisan, Joseph P., Jr.; Apines-Amar, Mary Jane S.; Pakingking, Rolando V., Jr. (Elsevier, 2017)
    Changes in innate immunity parameters and epinecidin mRNA transcript levels were examined to characterize the non-specific immune response of E. coioides to pathogenic V. harveyi JML1 isolated from affected cage-cultured ...

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