Table 3 The prevalence of recovered bacterial pathogens from pneumonic and apparently healthy calves
Isolates | Source of sample | No. of isolates (%) | p-value |
|---|---|---|---|
Pneumonic calves (n = 170) | |||
E. coli | NS | 40 (23.5) | 0.000118* |
P. vulgaris | NS | 21 (12.4) | |
S. aureus | NS | 20 (11.8) | |
P. aeruginosa | NS | 10 (5.9) | |
E. cloacae | NS | 7 (4.1) | |
P. multocida | LT | 3 (1.8) | |
E. aerogenes | NS | 7 (4.1) | |
M. haemolytica | BS | 1 (0.6) | |
Total | 109 (64.1) | ||
Apparently healthy calves (n = 55) | |||
E. coli | NS | 9 (16.4) | |
S. aureus | NS | 6 (10.9) | |
P. vulgaris | NS | 3 (5.4) | |
E. aerogenes | NS | 1 (1.8) | |
Total | 19 (34.5) | ||