Effects of Taurine and Enzymatic Cottonseed Protein Concentrate Supplementation in Low-Fishmeal Diet on Growth, Liver Antioxidant Capacity, and Intestinal Health of Golden Pompano (<i>Trachinotus ovatus</i>)
Zhanzhan Wang,
Shuling Liao,
Zhong Huang,
Jun Wang,
Yun Wang,
Wei Yu,
Heizhao Lin,
Zhenhua Ma,
Zhenyan Cheng,
Chuanpeng Zhou
Affiliations
Zhanzhan Wang
College of Fisheries, Tianjin Agricultural University, Tianjin 300392, China
Shuling Liao
School of Life Science, Guangzhou University, Guangzhou 510006, China
Zhong Huang
Key Laboratory of Aquatic Product Processing, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
Jun Wang
Key Laboratory of Aquatic Product Processing, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
Yun Wang
Key Laboratory of Aquatic Product Processing, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
Wei Yu
Key Laboratory of Aquatic Product Processing, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
Heizhao Lin
Key Laboratory of Aquatic Product Processing, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
Zhenhua Ma
Key Laboratory of Efficient Utilization and Processing of Marine Fishery Resources of Hainan Province, Sanya Tropical Fisheries Research Institute, Sanya 572018, China
Zhenyan Cheng
College of Fisheries, Tianjin Agricultural University, Tianjin 300392, China
Chuanpeng Zhou
Key Laboratory of Aquatic Product Processing, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
This study was conducted to investigate the impacts of the dietary addition of taurine and enzymatic cottonseed protein concentrate (ECPC) in low-fishmeal diet on the growth performance, plasma biochemical indices, hepatic antioxidant capacity, intestinal anti-inflammatory capacity, intestinal microflora, and muscle quality of golden pompano (Trachinotus ovatus). A total of three isonitrogenous diets were given to 225 golden pompanos (5.6 ± 0.14 g). They were randomly divided into nine cages (1.0 m × 1.0 m × 1.5 m; three cages per treatment) with equal stocking numbers of twenty-five fish per cage. The results indicated that the CSM-TC group significantly increased the growth performance of juvenile T. ovatus (p GH, GHR1, GHR2, IGF1, IGF2, and MyoG were significantly higher in fish fed with CSM-TC. The results showed that CSM-TC significantly increased the activities of alkaline phosphatase, complement 3, and complement 4 enzymes (p Nrf2, HO-1, and GSH-Px were significantly higher in fish fed with CSM-TC. The results showed that dietary CSM-TC increased the activities of intestinal chymotrypsin, lipase, and α-amylase enzymes. A CSM-TC diet significantly increased the relative expressions of IL-10, ZO-1, Occludin, Claudin-3, and Claudin-15 (p p < 0.05). In conclusion, a high-fermented cottonseed meal diet can have detrimental effects on physiological health in golden pompano, while adding 1% ECPC and 0.25% taurine can improve hepatic and intestinal health via attenuating inflammation and oxidative stress.