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. 2018 Apr;217:58–63. doi: 10.1016/j.vetmic.2018.03.001

Table 3.

Estimated probability (%) of detection for different pooling ratios dependent on the CT value of a single positive sample.

Probability (%) of detection of a single positive animal
Assay Pooling ratio CT 27 CT 30 CT 33 CT 36
7–12 dpi 13–30 dpi 3–6 dpi 0–2 dpi
Hofmann neat 100 99.94 98.69 76.14
1:2 99.98 99.61 91.58 31.48
1:5 99.92 98.13 68.86 8.54
1:10 99.78 94.95 44.25 3.24
1:20 99.08 82.02 16.16 0.81



VetMAX neat 100 99.99 99.65 92.26
1:2 100 99.90 97.60 63.19
1:5 99.98 99.49 89.21 25.88
1:10 99.94 98.60 74.79 11.13
1:20 99.75 94.46 41.87 2.95