The Intestinal Eukaryotic and Bacterial Biome of Spotted Hyenas: The Impact of Social Status and Age on Diversity and Composition.

Adult female hyenas have a bacterial microbiome which is more diverse than and differs in composition from that of juveniles Consistent with our prediction, the bacterial microbiome of juvenile hyenas contained a significantly lower number of genera (lower richness; Mann-Whitney U-test, U = 184.5, n = 42, p = 0.012), had a lower diversity ( U = 174.5, n = 42, p = 0.034) and showed a trend toward lower evenness ( U = 168, n = 42, p = 0.063) than that of adults (Figure 3A ).

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