Influence of increasing acclimation temperature on growth, digestion, antioxidant capacity, liver transcriptome and intestinal microflora of Ussruri whitefish Coregonus ussuriensis Berg

• Published in: Fish & shellfish immunology 2024-08, Vol.151, p.109667, Article 109667
• Main Authors: Ge, Kaibo, Fan, Ze, Huang, Tianqing, Gu, Wei, Wang, Gaochao, Liu, Enhui, Pan, Runlei, Li, Datian, Sun, Yunchao, Yao, Zuochun, Wang, Liwei, Zhao, Cheng, Xu, Gefeng
• Format: Article
• Language: English
• Subjects: Acclimatization; Animals; Antioxidants - metabolism; Digestion; Gastrointestinal Microbiome; Growth performance; Intestinal microflora; Liver; Liver transcriptional responses; Salmonidae - genetics; Salmonidae - physiology; Temperature; Transcriptome; Ussruri whitefish Coregonus ussuriensis Berg
• ISSN: 1050-4648; 1095-9947; 1095-9947
• DOI: 10.1016/j.fsi.2024.109667

For effective restoration, conservation of Ussruri whitefish Coregonus ussuriensis Berg and coping with global climate change, effects of environmental temperature on Ussruri whitefish urgently need to be explored. In current study, the effects of different acclimation temperatures on the growth, digestive physiology, antioxidant ability, liver transcriptional responses and intestinal microflora patterns of Ussruri whitefish were investigated. Ussruri whitefish (15.20 g ± 1.23 g) were reared for 42 days under different acclimation temperatures, i.e., 10, 13, 16, 19, 22 and 25 °C, respectively. Result first determined 28 °C as the semi-lethal temperature in order to design the temperature gradient test. Highest main gain rate (MGR) and specific growth rate (SGR) were observed in fish group having acclimation temperature of 19 °C. Significantly decrease (P