Relative abundance of 10 most abundant bacterial genera on eggshells at day 3 and day 18, in 9 incubated nests (A) and 3 control nests (B).

<p>Relative abundances (%, mean +SE) of 10 major bacterial genera, among 1590, accounted for more than 50% of sequences in 9 incubated nests (A) and 3 control nests (B) at day 3 and day 18. Asteriks represent significant difference (<i>P</i><0.05) between at day 3 and day 18 by paired t-tests.