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Effects of dietary green tea ( Camellia sinensis L) on acute stress responses in sturgeon hybrid ( Huso huso ♂ × Acipenser ruthenus ♀)
Author(s) -
Ebrahimi Viyan,
Salati Amir Parviz,
Azarm Hamid Mohammadi,
Hasanpour Soleiman
Publication year - 2017
Publication title -
aquaculture research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.646
H-Index - 89
eISSN - 1365-2109
pISSN - 1355-557X
DOI - 10.1111/are.12908
Subject(s) - huso , sturgeon , biology , camellia sinensis , aquaculture , zoology , beluga , fishery , fish <actinopterygii> , botany
In aquaculture practices, fish commonly confront environmental alterations and unavoidable stresses. Thus, any substance that could attenuate stress responses could be potentially used in aquaculture. A total number of 90 hybrid sturgeons ( Huso huso ♂ × Acipenser ruthenus ♀) with an average weight of 212.6 ± 0.7 g were fed experimental diets containing 0, 50 and 100 mg kg −1 green tea ( Camellia sinensis L) for 6 weeks. Subsequently 15 fish from each treatment were exposed to air for 5 min prior to transfer to the recovery tank. Followed by blood sampling after 1, 2, 5 and 12 h, Serum cortisol increased in all treatments, but the intensity was significantly lower in fish fed green tea compared to the control group. Similarly, the green tea diet attenuated the increase in serum levels of glucose and lactate in comparison to the control. Our results showed that green tea could be added to fish diet to attenuate stress responses in Sturgeon hybrid ( Huso huso ♂ × Acipenser ruthenus ♀).