Effects of salinity and temperature on the metabolic and immune parameters of the banana shrimp Fenneropenaeus merguiensis (De Man, ۱۹۸۸)
Publish place: Iranian Journal of Fisheries Sciences، Vol: 19، Issue: 4
Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JIFRO-19-4_027
تاریخ نمایه سازی: 1 اسفند 1400
Abstract:
This study investigated the activities of metabolic and immune enzymes in the hepatopancreas and muscle of the banana shrimp Fenneropenaeus merguiensis at different salinities (۱۰, ۱۵, ۲۰, ۲۵, and ۳۰ ‰) and temperatures (۲۱, ۲۴, ۲۷, ۳۰, and ۳۳°C). The shrimp (mean initial weight, ۱.۷۲±۰.۲۵ g) were cultured at different salinities or different temperatures for ۱۵ d. All treatments were conducted in triplicate. Results showed that glutamic pyruvic transaminase (GPT) and glutamic oxaloacetic transaminase (GOT) activities in the hepatopancreas were the highest at a salinity of ۲۰‰ (p<۰.۰۵). The GOT and succinate dehydrogenase (SDH) activities in the muscle were the highest at a salinity of ۲۵ ‰ (p<۰.۰۵). The GOT and GPT activities in the hepatopancreas at a temperature of ۲۴ºC were significantly higher than those at the other temperatures (p<۰.۰۵). The highest SDH activity in the muscle was observed at a temperature of ۲۷ ºC (p<۰.۰۵). Different immune enzymes showed different responses to salinity and temperature. The highest superoxide dismutase (SOD) activity in the hepatopancreas, and the highest acid phosphatase (ACP) activity in the muscles was observed at a temperature of ۲۴°C (p<۰.۰۵). By contrast, the lowest ACP activities in the hepatopancreas and muscles were observed at salinities of ۲۵ and ۲۰ ‰, respectively (p<۰.۰۵). These results indicated that suitable salinity and temperature can increase the metabolic enzyme activities, but the relationship of immune enzymes activities and ambient conditions is indeterminate.
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Authors
S.P. Yang
Guangdong Ocean University
H.L. Liu
Fisheries College, Guangdong Ocean University, Zhanjiang, China
W.J. Guo
Fisheries College, Guangdong Ocean University, Zhanjiang, China
C.G. Wang
Fisheries College, Guangdong Ocean University, Zhanjiang, China
C.B. Sun
Guangdong Ocean University
S.F. Chan
Fisheries College, Guangdong Ocean University, Zhanjiang, China
S.C. Li
Fisheries College, Guangdong Ocean University, Zhanjiang, China
Z.H. Tan
Fisheries College, Guangdong Ocean University, Zhanjiang, China
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