Table 2.

Detection of C. burnetii DNA on farms using different sampling methods

Farm no.	Detection of C. burnetii DNA in each sample type
	Bulk			Vacuum			Sponge
	No. of samples	No. of PCR-positive samples	% positive	No. of samples	No. of PCR-positive samples	% positive	No. of samples	No. of PCR-positive samples	% positive
1	14	2	14.3	0	0	NAa	0	0	NA
2	14	6	42.9	0	0	NA	0	0	NA
3	20	19	95	0	0	NA	0	0	NA
4	30	29	96.7	0	0	NA	0	0	NA
5	56	46	82.1	3	3	100	5	5	100
6	92	42	45.7	5	3	60	14	11	78.6
7	131	101	77.1	7	7	100	0	0	NA

^aNA, not applicable.