Fig. 1From: Transition of microbiota in chicken cecal droppings from commercial broiler farmsDifferences in microbial richness and diversity among ages, feed types, and farms. Box plots show the number of OTUs (a), Chao1 index (b), Simpson index (c), and Shannon index (d). *P < 0.05; **P < 0.01; ***P < 0.001Back to article page