Independent Variable | Percentage of Cpb2-positive farms | Univariable analysisP-value (sample level) | |
---|---|---|---|
Type of operation (sample n = 220) | Farrowing (farm n = 30) | 73 | 0.012 |
Grower-finisher (farm n = 16) | 25 | ||
Other species (sample n = 212) | Not present (farm n = 23) | 57 | 0.004 |
Present (farm n = 23) | 57 | ||
Herd Size (sample n = 217) | Small (<1000) (farm n = 9) | 33 | Referent |
Medium (≥1000-3000) (farm n = 28) | 61 | 0.272 | |
Large (>3000) (farm n = 9) | 67 | 0.018 | |
Sow Flow (sample n = 84) | All-in/all-out (farm n = 16) | 75 | 0.417 |
Continuous (farm n = 14) | 71 | ||
Weanling Flow (sample n = 15) | All-in/all-out (farm n = 23) | 70 | 0.326 |
Continuous (farm n = 8) | 87.5 | ||
Grower-Finisher Flow (sample n = 20) | All-in/all-out (farm n = 27) | 48 | 0.327 |
Continuous (farm n = 13) | 54 | ||
Antibiotic usage (sample n = 66) | Yes (farm n = 7) | 100 | 0.304* |
No (farm n = 23) | 65 | ||
Diarrhea (sample n = 58) | Yes (farm n = 11) | 82 | 0.792* |
No (farm n = 19) | 68 |