Fig. 1From: Evaluation of ruminal methane and ammonia formation and microbiota composition as affected by supplements based on mixtures of tannins and essential oils using RusitecBoxplots of the prokaryotes diversity indices of the rumen microbiota of treatments. A Chao1 index. B ACE index. C Simpson index. D Shannon index. NC, negative control; PC, positive control; Q-2, supplement Q-2; C-10, supplement C-10. a,bBoxplots of treatments without common letter are significantly different at P < 0.05Back to article page