Table 3.

Summary of laboratory results from flocks with suspected chlamydial arthritis

Laboratory Test	Result	Flock 1	Flock 2	FIock 3	Flock 4	Flock 5
		N = 10	N = 6	N = 30	N = 22	N = 101
Chlamydia CFT	Positive	7	6	4	7	31
	Negative	3	0	26	15	70
Conjunctival qPCR	Positive	10	5	1	0	11
	Negative	0	0	29	22	90
Rectal qPCR	Positive	10	5	9	1	2
	Negative	0	1	21	21	99
Vaginal qPCR	Positive	7	2	0	0	2
	Negative	0	3	16	14	50
E. rhusiopathiae joint culture	Positive	–	–	1	–	–
	Negative	–	–	1	–	–