Changes in Bacterial Population of Gastrointestinal Tract of Weaned Pigs Fed with Different Additives

Table 2

Effect of the diet on the microbial diversity (Shannon-Weaver index) in the distal jejunum and proximal colon digesta. The pigs were fed with a control diet (CT) or with the same diet with avilamycin (AB), sodium butyrate (AC), or with a mixture of plant extracts (XT). Different letters (a, b, c) show significant differences among treatments for the same tract (𝑃<0.05).

Shannon-Weaver index	AC	AB	CT	XT	SEM*	P value diet	P value day	P value diet ∗ day
Distal jejunum	1.32	1.26	1.23	1.22	0.028	0.07	0.0004	0.77
Proximal colon	1.48^a	1.39^bc	1.42^b	1.37^c	0.002	0.002	0.098	0.34

∗SEM: standard error of the mean.