Metagenomic analysis revealed the effects of goat milk feeding and breast feeding on the gut microbiome of Amur tiger cubs.

•First time to use metagenomic analyze the effects of different milk feeding patterns on gut microbiome of Amur tiger cubs.•Goat milk feeding and breast feeding can change the composition and functional structures of gut microbiota in Amur tiger.•Breastfed Amur tiger cubs and goat milk-fed Amur tiger cubs have distinct microbiotas in their guts.