Fig. 5From: Heat stress impacts the multi-domain ruminal microbiota and some of the functional features independent of its effect on feed intake in lactating dairy cowsFirmicutes-to-Bacteroidetes ratio (A) among the four pair-fed thermal neutral (PFTN) control cows or the heat-stressed (HS) cows and (B) between the two groups of cows. * indicates P < 0.05. P-value: treatment: 0.001; period: 0.002; T × P: 0.198Back to article page