Fig. 2From: Long-term and combined effects of N-[2-(nitrooxy)ethyl]-3-pyridinecarboxamide and fumaric acid on methane production, rumen fermentation, and lactation performance in dairy goatsPrincipal coordinates analysis (PCoA) of ruminal bacterial community based on Bray-Curtis dissimilarity among treatments. The ellipses around each treatment group are based on 80% confidence. CON, Control; FUM, Fumaric acid; NPD, N-[2-(nitrooxy)ethyl]-3-pyridinecarboxamide; FN, FUM + NPDBack to article page