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Journal of Agricultural Science and Technology، جلد ۲۷، شماره ۳، صفحات ۶۰۵-۶۱۵
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عنوان انگلیسی How Different Temperatures and Feeding Rates Impact Physiological and Histological Responses of Juvenile Asian Seabass (Lates calcarifer)
چکیده انگلیسی مقاله This study evaluated the interactive impacts of water temperature and feeding rate on digestive enzymes, intestine histology, growth and stress-related genes, and cultivable intestinal microbiota of Asian seabass (Lates calcarifer). For this purpose, 180 fish (85.0±3.0 g) were reared at three different temperatures (20, 27, and 33°C) and two feeding rates (apparent satiation and 2.5% of biomass) with three replications for 6 weeks. The results revealed no significant differences among different treatments regarding the activity of digestive enzymes (P˃ 0.05) of fish reared under different temperatures and feeding rates. The length, width, and thickness of intestinal villi were unaffected by different temperatures and feeding rates (P˃ 0.05). In addition, no variations were found in the total aerobic bacterial count of fish gut from different experimental groups (P˃ 0.05). At the molecular level, IGF-I and HSP70 coding genes were found to be highly expressed in experimental treatments (P< 0.05). To conclude, the present study showed that temperatures between 27 to 33°C were more optimal for Asian seabass, and the different temperatures and feeding rates did not affect the digestive enzymes, intestine histology, and gut microbiota of juvenile Asian seabass after 6 weeks.
کلیدواژه‌های انگلیسی مقاله Asian seabass,digestive enzymes,Feeding rate,Gene expression,Gut Microbiota,Temperature
نویسندگان مقاله Rosa Aghaei Meybodi |
Department of Fisheries, Faculty of Nano and Bio Science and Technology, Persian Gulf University, Bushehr, Islamic Republic of Iran.

Mahmood Nafisi |
Department of Fisheries, Faculty of Nano and Bio Science and Technology, Persian Gulf University, Bushehr, Islamic Republic of Iran.

Ahmad Ghasemi |
Persian Gulf Research Institute, Persian Gulf University, Bushehr, Islamic Republic of Iran.

Reza Davoodi |
Department of Fisheries, Faculty of Nano and Bio Science and Technology, Persian Gulf University, Bushehr, Islamic Republic of Iran.

Vahid Morshedi |
Persian Gulf Research Institute, Persian Gulf University, Bushehr, Islamic Republic of Iran.

Ebrahim Sotoude |
Department of Fisheries, Faculty of Nano and Bio Science and Technology, Persian Gulf University, Bushehr, Islamic Republic of Iran.

Ghasem Rashidian |
Jihoceská univerzita v Ceských Budejovicích, Fakulta rybárství a ochrany vod, Jihoceské výzkumné centrum akvakultury a biodiverzity hydrocenóz, Ústav akvakultury a ochrany vod, Na Sádkách 1780, 370 05 Ceské Budejovice.

نشانی اینترنتی https://jast.modares.ac.ir/article_17037_a1982510e59a9a5a2830ab7945c9a394.pdf
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