Table 2.
Dc values (min) |
|||
---|---|---|---|
Copper (ppm) |
|||
125 | 250 | 500 | |
E. coli | 9.21a (0.03) | 4.6c (0.04) | – |
CNS | – | 14.64d (0.012) | 9.6a (0.01) |
S. aureus | 9.91a (0.01) | 6.37c (0.03) | – |
S. uberis | 23.47b (0.01) | 11.71d (0.02) | – |
a,b,c,dThe same letter indicates no significant difference (p > 0.05) under the same copper concentration. Values in brackets are standard error.