| Title | Description | Host | Host Type | Outcomes |
|---|---|---|---|---|
| Chlortetracycline use | Chlortetracycline used as one of several antimicrobials. >0 to < or = 0.04 g/swine kg-month | Swine | Weaners | 1 |
| Chlortetracycline use | Chlortetracycline used as one of several antimicrobials. >0.04g/swine kg-month | Swine | Weaners | 1 |
| Oxytetracycline use | Oxytetracycline used as one of several antimicrobials | Swine | Weaners | 1 |
| Oxytetracycline use | Oxytetracycline used as one of several antimicrobials | Swine | Grower-finisher | 1 |
| Chlortetracycline use | Chlortetracycline used as one of several antimicrobials. >0.04g/swine kg-month | Swine | Grower-finisher | 1 |
| Ceftiofur use | Ceftiofur used as one of several AMs | Swine | Weaners | 1 |
| Florfenicol use | Florfenicol used as one of several antimicrobials | Swine | Grower-finisher | 1 |
| Florfenicol use | Florfenicol used as one of several antimicrobials | Swine | Weaners | 1 |
| Chlortetracycline use (MMD > 0.04 vs MMD = 0) | In-feed chlortetracycline use, obtained from monthly listings of feedgrade antibiotics used (via formulations)(January 2004 - December 2007). MMD (mean monthly dosage) > 0.04 vs MMD = 0 g/swine kg-month. Both groups received other AMs. Samples = composite | Swine | Sows | 1 |
| Chlortetracycline use | Chlortetracycline used as one of several antimicrobials. >0 to < or = 0.04 g/swine kg-month | Swine | Grower-finisher | 1 |
| Ceftiofur use | Ceftiofur used as one of several AMs | Swine | Grower-finisher | 1 |