Fig. 2From: Effects of long-distance transportation on blood constituents and composition of the nasal microbiota in healthy donkeysPrincipal coordinate analysis (PCoA) of the nasal microbiota of healthy donkeys (n = 14) before and after transport based on Bray-Curtis (a) and weighted UniFrac (b) algorithms. BN: Before transport, blue; AN after transport, redBack to article page