Skip to main content

Table 1 Summary of phage assay counts (PFU mL−1) for three dilutions of MAP-spiked PBS before (PRE) and after (POST) treatment with copper ions at 24 V for 5 min; indicating significant reductions (P = 0.03) in numbers of viable MAP

From: In vitro inactivation of Mycobacterium avium subsp. paratuberculosis (MAP) by use of copper ions

Replicate experiment MAP PBS dilutiona:
10−2 10−4 10−6
PRE POST PRE POST PRE POST
I 5.8 × 108 3.0 × 107 4.5 × 106 < 1 9.1 × 104 < 1
II 4.6 × 108 2.0 × 107 3.0 × 106 < 1 6.3 × 104 4.0 × 103
III 5.6 × 108 < 1 3.3 × 106 < 1 5.3 × 104 < 1
IV 3.5 × 108 < 1 3.1 × 106 < 1 5.0 × 104 < 1
V 3.0 × 108 < 1 3.0 × 106 < 1 3.0 × 104 < 1
VI 7.1 × 108 2.0 × 107 3.0 × 106 < 1 3.0 × 104 < 1
Mean PFU mL−1 ± SD 4.9 × 108 ± 1.5 × 108 1.2 × 107 ± 1.3 × 107 3.3 × 106 ± 5.9 × 105 < 1 5.3 × 104 ± 2.3 × 104 6.7 × 102 ± 16 × 102
  1. aOnly experimental results validated with proper positive and negative control results have been included in this table