Table 1. List of primers and PCR conditions used in this study.

Target gene	Primers	Sequence (5´- 3´)	PCR Conditions	Product (bp)	Reference
16S	MD16S1	ATCTAATGGCTTAACCATTAAAC	95°C/10 min, 35 cycles: 95°C/30s, 59°C/90s, 72°C/1 min, and 72°C/10 min.	857 for Campylobacter genus identification.	(18, 19)
rRNA	MD16S2	GGACGGTAACTAGTTTAGTATT
mapA	MDmapA1	CTATTTTATTTTTGAGTGCTTGTG		589 for C. jejuni species identification.	(18)
	MDmapA2	GCTTTATTTGCCATTTGTTTTATTA
ceuE	col3	AATTGAAAATTGCTCCAACTATG		462 for C. coli species identification.	(18)
	MDcol2	TGATTTTATTATTTGTAGCAGCG
PCR-RFLP (gyrA) C. jejuni	cjgyrAM1	AAATCAGCCCGTATAGTGGGTGCTGTTATAGGTCGTTATCACCCACACATGGAGGT	94°C/5 min, 30 cycles: 94°C/1 min, 51°C/1 min,72°C/45s, and 72°C/7 min.	179 detection gyrA (C. jejuni).	(15, 22)
	cjgyrA2	TCAGTATAACGCATCGCAGC
PCR-RFLP (gyrA) C. coli	colgyrA	AAATCTGCTCGTATAGTAGGGGATGTTATCGGTAAGTATCATCCACATGGCGGT	94°C/5 min, 30 cycles: 94°C/1 min, 55°C/1 min,72°C/45s, and 72°C/7 min.	179 detection gyrA (C. coli).	(13, 15)
	colgyrA2	TCAGTATAACGCATCGCAGC