Population Diversity of Campylobacter jejuni in Poultry and Its Dynamic of Contamination in Chicken Meat

Table 1

Distribution of flaA and peptide types according to rearing cycle from farms A, B, and C.

	Peptide type	flaA type	12/12/2011	12/02/2012	10/05/2012	17/07/2012	Proportion	Number of strains
Farm A	1	1266	—	23 (24.46%)	—	—	9.23%	23
		260	1 (1.38%)	—	—	—	0.4%	1
		34	1 (1.38%)	—	—	—	0.4%	1
		49	—	—	1 (2.94%)	27 (55.10%)	11.24%	28
	368	1638	1 (1.38%)	67 (71.27%)	3 (8.82%)	19 (38.77%)	36.14%	90
	5	259	—	—	—	1 (2.04%)	0.4%	1
	8	117	—	—	—	1 (2.04%)	0.4%	1
		287	19 (26.38%)	—	17 (50.00%)	—	14.45%	36
		67	—	1 (1.03%)	4 (11.76%)	—	2%	5
	2	612	1 (1.38%)	—	—	—	0.4%	1
	10	1284	—	—	3 (8.82%)	—	1.21%	3
		1429	8 (11.11%)	—	—	—	3.21%	8
	103	327	1 (1.38%)	—	—	—	0.4%	1
	11	14	37 (51.38%)	1 (1.03%)	3 (8.82%)	—	16.46%	41
		17	3 (4.16%)	2 (2.12%)	2 (5.82%)	—	2.81%	7
		30			1 (2.94%)	1 (2.04%)	0.8%	2
	Total		72	94	34	49		249
			19/09/2011	17/11/2011	—	—
Farm B	1	36	18 (15.65%)	106 (96.36%)	—	—	55.11%	124
		49	—	3 (2.72%)	—	—	1.33%	3
	11	11	1 (0.86%)	—	—	—	0.44%	1
	3	161	1 (0.86%)	—	—	—	0.44%	1
		5	—	1 (0.90%)	—	—	0.44%	1
	33	222	53 (46.08%)	—	—	—	23.55%	53
	8	287	42 (36.52%)	—	—	—	18.22%	42
	Total		115	110	—	—		225
			31/03/2012	12/06/2012	—	—
Farm C	1	260	—	9 (10%)	—	—	4.1%	9
		23	—	1 (1.11%)	—	—	0.5%	1
		265	—	72 (80%)	—	—	32.9%	72
	8	117	3 (2.32%)	—	—	—	1.4%	3
		287	11 (8.52%)	2 (2.22%)	—	—	5.9%	13
	2	21	—	3 (3.33%)	—	—	1.4%	3
	33	222	1158 (89.14%)	—	—	—	52.5%	115
	9	239	—	3 (3.33%)	—	—	1.4%	3
		Total	129	90	—	—		219