Table 4.

Performance of two paratuberculosis tests (fecal culture and fecal PCR) at two different culture incubation times in 580 dairy goats in Ontario, Canada

	Standard Incubation Time		Extended Incubation Time
	Fecal culture (95 % PI)	Fecal PCR (95 % PI)	Fecal culture (95 % PI)	Fecal PCR (95 % PI)
Sensitivity	23.1 % (15.9-34.1)	31.9 % (22.4-43.1)	42.7 % (33.0-54.5)	30.5 % (23.3-38.8)
Specificity	98.9 % (98.0-99.5)	93.3 % (89.0-97.1)	98.8 % (97.8-99.5)	93.4 % (90.0-96.5)

PI = probability interval