Additional file 2: of Diet may influence the oral microbiome composition in cats AdlerChristina MalikRichard BrowneGina NorrisJacqueline 2016 Alpha diversity metrics per cat. The alpha diversity metrics presented include the Abundance Coverage Estimator (ACE), which estimates species richness, and the Simpson’s Index that estimates species evenness. Abbreviations: Abundance Coverage Estimator (ACE) and standard error (SE). (XLSX 63 kb)