Fig. 4From: Rumen fermentation and microbiota in Shami goats fed on condensed tannins or herbal mixturePrincipal component analysis (PCA). The PCA was conducted using the data of the RGR,feed intake,rumen fermentation parameters, predicted methane production, and relative abundances of dominant ruminal bacteria and archaea of goats fed different diets. Black dots are for group C, blue triangles are for group T, and red squares are for group HMBack to article page