| Title | Description | Host | Host Type | Outcomes |
|---|---|---|---|---|
| Herd size | Largest vs small herd size. Largest = > 3000 slaughter pigs in the herd in a year. Small = 1 - 200. Largest = > 3000 slaughter pigs in the herd in a year. | Swine | Grower-finisher | 1 |
| Herd size | Moderate vs small herd size. Moderate = 201 - 1000 slaughter pigs in the herd in a year. Small = 1 - 200. | Swine | Grower-finisher | 1 |
| Tetracycline use | Prescription of tetracycline in the 12 months previous to sampling | Swine | Grower-finisher | 1 |
| Tetracycline use | Prescription of tetracycline in the 3 months previous to sampling | Swine | Grower-finisher | 1 |
| Herd size | Large vs largest herd size. Large = 1001 - 3000 slaughter pigs in the herd in a year. Largest = > 3000 slaughter pigs in the herd in a year. | Swine | Grower-finisher | 1 |
| Treatment incidence rate | Number of ADD/100 slaughter pig-days at risk | Swine | Grower-finisher | 1 |
| Herd size | Small vs largest herd size. Small = 1 - 200 slaughter pigs in the herd in a year. Largest = > 3000. | Swine | Grower-finisher | 1 |
| Herd size | Moderate vs largest herd size. Moderate = 201 - 1000 slaughter pigs in the herd in a year. Largest = > 3000 slaughter pigs in the herd in a year. | Swine | Grower-finisher | 1 |
| Interval | Time span, in days, between last prescription and sampling date | Swine | Grower-finisher | 1 |
| Herd size | Large vs small herd size. Large = 1001 - 3000 slaughter pigs in the herd in a year. Small = 1 - 200. | Swine | Grower-finisher | 1 |