Table 4.
Frequency of coinfections across all sample types. PCR results were categorized as positive if pathogen was detected in ⩽40 quantification cycles on either instrument.
|
M. haemolytica
|
P. multocida
|
H. somni
|
M. bovis
|
|||||
|---|---|---|---|---|---|---|---|---|
| PCR | Culture | PCR | Culture | PCR | Culture | PCR | Conv PCR | |
| Mannheimia haemolytica | (136) | (63) | 98 | 27 | 38 | 1 | 27 | 7 |
| Pasteurella multocida | x | x | (119) | (88) | 36 | 6 | 24 | 7 |
| Histophilus somni | x | x | x | x | (48) | (14) | 20 | 6 |
| Mycoplasma bovis | x | x | x | x | x | x | (54) | (23) |
Conv PCR = conventional PCR; x = 185 total samples. Numbers in parentheses are the total number of positives detected.