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. 2021 Oct 21;12:717723. doi: 10.3389/fimmu.2021.717723

Figure 6.

Figure 6

The effect of heat stress on the microbial diversity of pig colon. CON and C indicate no heat stress group, HS and T indicate heat stress treatment, 1, 7, 14, 21 indicate day 1, 7, 14, and 21 groups respectively, n = 3; “*” indicates p < 0.05, and “**” indicates p < 0.01. (A) inter-group Alpha diversity analysis of Shannon index, Simpson index, Ace index and Chao Index; (B) principal component analysis between samples; (C) species composition heat map between samples.