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Iranian Journal of Ichthyology، جلد ۱۲، شماره ۱، صفحات ۰-۰
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عنوان انگلیسی Physiological responses of Starry Sturgeon (<i>Acipenser stellatus</i>) juvenile to thermal stress: exploring the effects of Amygdalin in enhancing Sturgeon resilience
چکیده انگلیسی مقاله The Acipenseridae is a crucial inhabitant of aquatic ecosystems, and environmental adversity can have harmful consequences on their health. Stress-relieving compounds and immune system stimulants are currently used to support fish resistance. This study aimed to investigate the metabolic and immune responses to thermal stress in starry sturgeon juvenile previously exposed to amygdalin as a stress-reducing compound. The juveniles were treated at different temperatures (18°C, 22°C, and 26°C) with or without amygdalin, with three replicates. Blood and liver tissue samples were collected, and various parameters were measured. The results revealed significant differences in serum enzymes, cortisol levels, antioxidant capacity, and immune system components among the different groups. It was evident that fish pre-treated with amygdalin and kept at 22 °C (A+T22) and 26 °C (A+T26) experienced a significant decline in ALT (alanine aminotransferase, AST (aspartate aminotransferase) and T-AOC (Total Antioxidant Capacity) levels compared to those who did not undergo such treatment (fish kept at 22 and 26°C). Moreover, when comparing amygdalin-exposed fish at 26°C with their counterparts who were not exposed to amygdalin, there was a noticeable decrease in ALP and cortisol levels. Thermal stress has an adverse effect on the immune parameters of starry sturgeon. However, when amygdalin is administered, it has the potential to enhance fish resilience against thermal stressors by increasing immunity, particularly in C3 and IgM. In conclusion, amygdalin could serve as a beneficial agent for fish by mitigating stress levels and enhancing their resilience against thermal stressors.
کلیدواژه‌های انگلیسی مقاله Metabolic response,Sturgeon,Immunity,Stress
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نشانی اینترنتی http://ijichthyol.org/index.php/iji/article/view/1039
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