(A) Villus height (µm), (B) villi diameter (µm), (C) crypt depth (µm), and (D) villus height/crypt depth ratio of broiler chickens at 42 d. Abbreviations: GTE300 and GTE400, infected with Eimeria and treated with 300 and 400 mL green tea extract; GTP200, GTP300, GTP400, and GTP500, infected with Eimeria and treated with 200, 300, 400, and 500 mL green tea phytosomes; NC, negative control, noninfected, and untreated; PC, positive control, infected with Eimeria and untreated; SC, infected with Eimeria and treated with salinomycin. a–gMeans in the same row with different superscripts differ significantly (P < 0.05, 0.01, 0.001, or 0.0001).