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Evaluation of fish meal replacement by Clostridium autoethanogenum protein in diets for juvenile red swamp crayfish (Procambarus clarkii) by Jihong Dai; Tuo Chen; Xiaorui Guo; Zhenyan Dai; Zhigang He; Yi Hu is a Agricultural and Biological Sciences article available to read on EtoBox.
What is Evaluation of fish meal replacement by Clostridium autoethanogenum protein in diets for juvenile red swamp crayfish (Procambarus clarkii) about?
A study was conducted to investigate the potential use of Clostridium autoethanogenum protein (CAP) replacing fish meal (FM) in the diet of red swamp crayfish (Procambarus clarkia). Crayfish were fed with FM-based diet and diets with graded levels of CAP replacing FM at 25%, 50%, 75%, and 100%, respectively. Compared to the FM group, the growth performance and feed utilization of crayfish were not significantly influenced by CAP inclusion. The best weight gain of crayfish was observed in the 25% CAP replacement group. The content of arginine, histidine, tyrosine, cysteine, and hydroxyproline of muscle increased at first and then decreased, showing a quadratic relationship with CAP level. The activity of serum aspartate aminotransferase (AST) linearly increased, while alanine aminotransferase (ALT) firstly decreased and then increased with the increase of CAP level. The activity of serum phenoloxidase, gene expression of cyclophilin A (cypa), hemocyanin A chain-like (hemB), and hemocyanin B chain-like (hemB) in hepatopancreas of crayfish were increased in the 25 and 50% CAP replacement group, but were decreased at 100% replacement level. Enteritis was not observed among all the diet
Who reads Evaluation of fish meal replacement by Clostridium autoethanogenum protein in diets for juvenile red swamp crayfish (Procambarus clarkii)?
It is typically read by researchers, students, and practitioners in Agricultural and Biological Sciences.
- Author
- Jihong Dai; Tuo Chen; Xiaorui Guo; Zhenyan Dai; Zhigang He; Yi Hu
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Agricultural and Biological Sciences (Life Sciences)