Agga, G. E. and Scott, H. M. and Amachawadi, R. G. and Nagaraja, T. G. and Vinasco, J. and Bai, J. and Norby, B. and Renter, D. G. and Dritz, S. S. and Nelssen, J. L. and Tokach, M. D. (United States of America)
Preventive Veterinary Medicine (2014)
isolationA total of 160 weaned pigs (PIC 1050 barrows; PICNorth America, Hendersonville, TN) of three weeks oldobtained from a commercial breeder farm were randomlydistributed by block (initial body weight) to pens (5 perpen). The treatmentgroups consisted of control (16.5 ppm of copper sulfate(CuSO4)), elevated copper (125 mg/kg of feed), CTC (CTC50; Alpharma, Fort Lee, NJ; at 550 mg/kg of feed), or copperplus CTC (elevated copper and CTC as above).
AST Method: Broth Microdilution
Reference explicitly reports AST breakpoints: True
Reference reports using a MIC table: True
Is Excluded: False
| Country | Sub-Region | Sub-Region Detail |
|---|---|---|
| United States of America | None | Kansas |
| ID | Note | Resolution |
|---|
| Title | Host | Host | Production Stage | Description | ROs |
|---|---|---|---|---|---|
| CTC Use | Swine | Weaners | Farm | Chlortetracycline Use (550 mg/kg of feed) | 16 |
| Elevated Copper and CTC Use | Swine | Weaners | Farm | Elevated Copper and Chlortetracycline Use (125 mg/kg of feed vs 16.5 ppm; 550 mg/kg of feed) | 16 |
| Elevated Copper Supplementation | Swine | Weaners | Farm | Elevated Copper Supplementation (125 mg/kg of feed vs 16.5 ppm) | 2 |
| Elevated Copper Supplementation | Swine | Weaners | Farm | Elevated Copper Supplementation (125 mg/kg of feed) vs 16.5 ppm | 14 |