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 |