Fig. 7

Alpha diversity in the ileal mucosa of Jungle Fowl (JF), Athens Canadian Random Bred (ACRB), 1995 Random Bred (1995), and 2015 Modern Random Bred (2015) chicken lines raised under thermoneutral (TN) or heat stress (HS) condition on d 56. Shanon’s diversity index for genetic lines (A). Shanon’s diversity index for ambient temperature (B). Boxplots show the quartiles, median, and extremities of the values