The effects of dietary oregano essential oil on the growth performance, intestinal health, immune, and antioxidative responses of Nile tilapia under acute heat stress

Climatic changes are impacting the aquaculture industry and result in low productivity and high economic loss. Herein, we evaluated the long-term acute heat stress on the productivity and performances of Nile tilapia and the ameliorative role of oregano essential oil. Fish were raised in outdoor con...

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Bibliographic Details
Published in:Aquaculture 2022-02, Vol.548, p.737632, Article 737632
Main Authors: Magouz, Fawzy I., Amer, Asem A., Faisal, Alaa, Sewilam, Hani, Aboelenin, Salama M., Dawood, Mahmoud A.O.
Format: Article
Language:English
Subjects:
Aquaculture
Climate change
Heat shock protein 70
Medicinal herbs
Oxidative stress
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Summary:Climatic changes are impacting the aquaculture industry and result in low productivity and high economic loss. Herein, we evaluated the long-term acute heat stress on the productivity and performances of Nile tilapia and the ameliorative role of oregano essential oil. Fish were raised in outdoor concrete tanks during the summer season under high water temperature (32 °C) and fed four test diets supplemented with oregano essential oil at 0, 0.25, 0.5, and 1 g/kg for eight weeks. The final weight, weight gain, and specific growth rate were markedly enhanced (P 
ISSN:0044-8486
1873-5622
DOI:10.1016/j.aquaculture.2021.737632