Effect of tributyrin supplementation in high‐soya bean meal diet on growth performance, body composition, intestine morphology and microbiota of juvenile yellow drum (Nibea albiflora)

• DOI: 10.1111/are.14552
• Publication Date: 2020-02-13T06:50:37Z
• Authors: Peng Tan; Xun Wu; Wenliang Zhu; Bao Lou; Ruiyi Chen; Ligai Wang
• Keywords: Tributyrin; Soya bean

Six equal-protein and equal-lipid diets were formulated: the fish meal (FM) diet, soya bean (SBM) diet with 40% of FM protein replaced by SBM tributyrin (TB) 0.05% (TB0.05), 0.10% (TB0.1), 0.20% (TB0.2) 0.40% (TB0.4) supplemented in SBM-based diet. Each kind was randomly fed to triplicate tanks 20 per tank. Fish apparent satiation twice daily for 56 days. No significant difference weight gain rate (WGR) feed efficiency (FER) observed between FM, TB0.1 TB0.2 (p > .05). Muscle histidine arginine proportion significantly higher than that < Intestine morphology results indicated supplementation 0.1% improved mucosal fold height, microvilli length density when compared those The dietary suppressed pro-inflammatory gene expression, which may be due improvement physical barrier modification microbial communities, such as Acinetobacter, Rhodocyclaceae, Brevundimonas, Sphingopyxis, Hydrogenophaga, Methyloversatilis Devosia. In conclusion, high-soya growth performance, flesh quality intestinal structure integrity yellow drum.