1. This study investigated the impact of melatonin and LPS on goose growth and the intestinal microbiome.2. Geese were injected with a control solution (C), LPS solution (L), melatonin solution (M), and both LPS and melatonin solution (LM), respectively. Faecal samples from each group were used to analyse microbial diversity and function for geese with different treatments.3. The results showed that the M group had a little improvement in growth compared with the C group, but were much higher than the L and LM groups. A clear distinction between M and other groups was seen with regard to alpha and beta diversity in the biome. The dominant bacteria phyla were Firmicutes, Proteobacteria, and Actinobacteria spp. in all groups. Unclassified bacteria were dominant in all groups at the genus level. Significant KEGG enrichment pathways in the M group were involved in processing metabolism and genetic information, while the L group was related to processing metabolism and environmental information.4. This study provided a foundation for future studies targeting the specific effect of important bacterial populations on goose growth performance.

中文翻译：

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褪黑激素和内毒素脂多糖对鹅生产性能和肠道菌群的影响。

1.本研究探讨了褪黑激素和脂多糖对鹅生长和肠道微生物组的影响。2。向鹅分别注射对照溶液（C），LPS溶液（L），褪黑激素溶液（M）以及LPS和褪黑激素溶液（LM）。每组的粪便样本用于分析不同处理方法的鹅的微生物多样性和功能。3。结果表明，与C组相比，M组的生长有所改善，但远高于L组和LM组。在生物群系中α和β的多样性方面，M和其他群体之间有明显的区别。优势菌门是硬毛菌，变形杆菌和放线菌属。在所有组中。未分类的细菌在属水平的所有组中均占优势。M组中重要的KEGG富集途径参与代谢和遗传信息的处理，而L组中涉及代谢和环境信息的处理。4。该研究为今后针对重要细菌种群对鹅生长性能的特定作用的研究提供了基础。