TABLE 4.
Recovery of heat-injured fecal enterococci from cow feces with KF Streptococcus selective agar, directly and with the agar underlay methoda
| Time | Log CFU/ml
|
||
|---|---|---|---|
| KF, direct | KF, overlay | KF, agar underlay | |
| Before heat treatment | 5.67 ± 0.09a | 5.84 ± 0.16a | 5.76 ± 0.11a |
| After heat treatment | 4.58 ± 0.18b | 5.20 ± 0.32c | 5.14 ± 0.29c |
a
Data represent means ± standard deviations of three measurements before or after treatment (80°C for 30 s). Values followed by different letters are statistically different (P < 0.05).