Effects of Polyvinyl Chloride (PVC) Microplastic Particles on Gut Microbiota Composition and Health Status in Rabbit Livestock.

According to our data, the Chao1 index showed a significant decrease in diversity between the control and treated groups P1 or P2 in the coecum and faecal samples ( Figure 3 B), and the Shannon index also showed a decreasing trend in the caecum and the faeces in the PVC groups ( Figure 3 A).

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At the phylum level, Proteobacteria (recently Pseudomonadota) increased significantly in the faeces of the high-PVC rabbit group, and within this phylum, the Burkholderiales and Desulfovibrionales orders both had an increasing trend compared to controls ( Supplementary Figure S4C,D ).

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