Table 1 Number of observed species, richness (Chao1 and ACE) and diversity estimators (Shannon, Simpson and Fisher’alfa) in control (C), organic acid (O) and polyphenols (P) dietary treatments

3,420^b

3,731^b

5.9

0.99

645^β

3,834^b

4,214^{a, b}

6.1

0.99

691^{α, β}

7,164^a

6,927^a

6.1

0.98

890^α

653.1

711.8

0.22

(0.99–0.98)

78.2

0.03

0.06

0.90

0.93

0.07