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<p>Under identical environmental conditions, spotted seabass (<i>Lateolabrax maculatus</i>) with an average weight of (4.3±0.02) g were fed a diet containing defatted <i>Tenebrio molitor</i> larvae meal (DTM; Tianchongyou F88) and exhibited divergent growth patterns. This study aimed to compare the differences between fast-growing (FG) and slow-growing (SG) individuals. The results revealed that the final body weight, weight gain rate, and specific growth rate were significantly higher in the FG group than in the SG group (<i>P</i>&lt;0.05). Additionally, immune markers, including lysozyme, complement 3, and complement 4, were significantly higher in the FG group than in the SG group (<i>P</i>&lt;0.05). Moreover, the FG group demonstrated a significant increase in total antioxidant capacity and superoxide dismutase activity compared to the SG group (<i>P</i>&lt;0.05). Intestinal health was also improved in the FG group, with significantly greater intestinal villus number, height, and muscle layer thickness, indicating better intestinal tissue integrity. Furthermore, the FG group exhibited higher chitinase activity (<i>P</i>&lt;0.05) and a greater number of goblet cells (<i>P</i>&lt;0.05) than the SG group. In addition, the FG group had a higher abundance of potential probiotics, such as <i>Bacillus</i> and <i>Paenibacillus</i>, which may enhance the utilization of DTM by the spotted seabass. In conclusion, these findings suggest that the superior growth performance of the FG group can be attributed to improved intestinal health, enhanced immune function, and increased antioxidant capacity.</p>

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Comparative Analysis of Immune Function and Intestinal Health of Lateolabrax maculatus Fed with Defatted Tenebrio molitor Larvae Meal Diet and Showing Different Growth Rates

  • 期刊论文

  • 发表日期：

    2026年8月4日

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  • Jin Huang,
  • Kefu Liu,
  • Ling Wang,
  • Xueshan Li,
  • Kai Song,
  • Ruijuan Ma,
  • Kangle Lu,
  • Kequan Chen,
  • Guijuan Yu,
  • Chunxiao Zhang

摘要

Under identical environmental conditions, spotted seabass (Lateolabrax maculatus) with an average weight of (4.3±0.02) g were fed a diet containing defatted Tenebrio molitor larvae meal (DTM; Tianchongyou F88) and exhibited divergent growth patterns. This study aimed to compare the differences between fast-growing (FG) and slow-growing (SG) individuals. The results revealed that the final body weight, weight gain rate, and specific growth rate were significantly higher in the FG group than in the SG group (P<0.05). Additionally, immune markers, including lysozyme, complement 3, and complement 4, were significantly higher in the FG group than in the SG group (P<0.05). Moreover, the FG group demonstrated a significant increase in total antioxidant capacity and superoxide dismutase activity compared to the SG group (P<0.05). Intestinal health was also improved in the FG group, with significantly greater intestinal villus number, height, and muscle layer thickness, indicating better intestinal tissue integrity. Furthermore, the FG group exhibited higher chitinase activity (P<0.05) and a greater number of goblet cells (P<0.05) than the SG group. In addition, the FG group had a higher abundance of potential probiotics, such as Bacillus and Paenibacillus, which may enhance the utilization of DTM by the spotted seabass. In conclusion, these findings suggest that the superior growth performance of the FG group can be attributed to improved intestinal health, enhanced immune function, and increased antioxidant capacity.