highly significantp = 0.001
The results indicate a highly significant difference in both the diversity and richness of the gut microbial communities between the two groups of black-necked cranes(Chao1 index: p = 0.001, Shannon index: p = 0.016), with the NPH group exhibited significantly greater diversity and richness in their gut microbial communities compared to the DSB group ( Figs. 3A , 3B ).