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. 2021 Feb 18;9(2):420. doi: 10.3390/microorganisms9020420

Figure 4.

Figure 4

Effect of the OS content on Operational Units (OTUs) (a), Chao 1 (b), and the Shannon (c) and Simpson (d) indexes in FTMR before and after 60 days of fermentation. 0, 0% oat silage; 11, 11% oat silage; 22%, 22, oat silage. Data were analyzed by two-way ANOVA. * indicates p < 0.05; ** indicates p < 0.01.