a decreasing trendP > 0.05
Similarly, other genera, namely Olsenella , Streptococcus , Bifidobacterium , Prevotella_7 , Lactobacillus , Actinomyces , Leptotrichia , Selenomonas_3 and Veillonella showed a decreasing trend to different degrees, indicating their sensitivity to SDF intervention ( P > 0.05).