Table 2. Swine-specific primers used for real-time PCR.

Gene	Primer (5' → 3')	Product Length	Tm (°C)
Bacteriodes	F: AACGCTAGCTACAGGCTT	276	54
	R: CAAATGTGGGGGACCTTC
Firmicutes	F: GGAGYATGTGGTTTAATTCGAAGCA	126	59
	R: AGCTGACGACAACCATGCAC
Lactobacillus	F: TGGATCACCTCCTTTCTAAGGAAT	340	55
	R: TGTTCTCGGTTTCATTATGAAAAAATA
Bifidobacteria	F: GCG TGC TTA ACA CAT GCA AGT C	129	55
	R: CAC CCG TTT CCA GGA GCT ATT
Enterobacteria	F: CATTGACGTTACCCGCAGAAGAAGC	190	58
	R: CTCTACGAGACTCAAGCTTGC