. 2022 Mar 24;9:802051. doi: 10.3389/fvets.2022.802051

Table 7.

Effects of CAT on the intestinal microbial composition of 30-day old yellow broilers.

Items	Jejunum			Cecum
	CON	R1	R2	CON	R1	R2
Total bacteria	9.50 ± 0.59	10.25 ± 0.1.11	9.52 ± 3.45	11.20 ± 0.24^b	12.06 ± 0.54^a	12.16 ± 0.69^a
Firmicutes	8.75 ± 0.39^b	8.70 ± 1.23^b	10.40 ± 0.59^a	10.65 ± 0.34^b	11.28 ± 0.62^ab	11.56 ± 0.80^a
Bacteroidetes	8.06 ± 6.74^b	8.78 ± 1.25^ab	9.28 ± 1.20^a	10.47 ± 0.55^b	11.37 ± 0.45^a	11.38 ± 0.69^a
Clostridium cluster IV	–	–	–	10.46 ± 0.28^b	11.17 ± 0.26^a	10.75 ± 0.63^ab
Clostridium cluster XIVα	6.75 ± 0.50	6.90 ± 0.39	6.42 ± 0.61	10.81 ± 0.53^b	11.58 ± 0.48^a	11.28 ± 0.70^ab
Lactobacillus	8.90 ± 0.51^c	10.30 ± 1.04^b	11.37 ± 0.32^a	9.81 ± 0.57^b	11.44 ± 0.77^a	9.85 ± 1.14^ab
Escherichia coli	7.21 ± 0.49	6.73 ± 0.76	6.49 ± 0.99	9.93 ± 0.70^a	9.32 ± 1.15^ab	8.82 ± 0.94^b

Data are the mean ± SEM (n = 8). CON-broilers fed the basal diet, R1-broilers fed the basal diet supplemented with 150 U/kg of CAT, R2-broilers fed the basal diet supplemented with 200 U/kg of CAT.

^a,b,c

Values within the same intestinal segment and the same row with different letters differ (p < 0.05).