Table 1. Binary and quantitative test responses for the PCR tests performed in bulk tank milk (PCR BTM) and indoor dust samples (PCR DUST) according to the stratified population.
PCR BTM (n = 380) and PCR DUST (n = 380) tests were performed in 95 dairy cattle herds in the Finistère department, France between November 2012 and April 2014.
| Test | Test | |||
|---|---|---|---|---|
| PCR BTM | PCR DUST | Total | PCR BTM | PCR DUST |
| Binary response (+ positive;—negative) | Quantitative response a (Q1,median,Q3) | |||
| + | + | 146 | 642,4494,16140 | 2,6,48 |
| + | - | 48 | 240,1704,10020 | - |
| - | + | 70 | - | 1,3,15 |
| - | - | 116 | - | - |
| Total | 380 | 514,3604,14280 | 1,5,35 | |
a calculated among positive test responses