Table 8.

Number (proportion; 95% CI) of ELISA positive primiparous and multiparous cows subsequently testing fPCR positive for Mycobacterium avium subsp. paratuberculosis from a study on a NZ, pastoral dairy farm over 4 seasons (2013–2016)

Number (Proportion; 95% CI) of ELISA positive cows testing fPCR positive
Season	Primiparous	Multiparous	p-value of difference
2013–2014	13 / 39 (33%; 18.5–48.1)	44 / 258 (17%; 12.5–21.6)	0.413
2014–2015	2 / 13 (15%; 0.0–35.0)	24 / 95 (25%; 16.5–34.0)	0.700
2015–2016	5 / 16 (31%; 8.5–54.0)	7 / 34 (21%; 7.0–34.2)	0.500