Stable levels of Coxiella burnetii prevalence in dairy sheep flocks but changes in genotype distribution after a 10-year period in northern Spain

Table 1 Percentage of Coxiella burnetii positive flocks and SNP genotypes identified in bulk tank milk samples collected in 2005 and 2015 in northern Spain

BTM analyses					Single nucleotide polymorphism (SNP)
Year	N	ELISA	PCR	Ref.	N	SNP1	SNP4	SNP8	Ref.
Year	N	Positive (%)	Positive (%)	Ref.	N	Positive (%)	Positive (%)	Positive (%)	Ref.
2005	154	62 (40.3%)	34 (22.1%)	[8, 10]	16	3 (18.8%)	1 (6.3%)	12 (75.0%)	This study
2015	81	26 (32.1%)	19 (23.5%)	This study	12	10 (83.3%)	0 (0.0%)	2 (16.7%)	This study

ISSN: 1751-0147