Swine | Sows
2
S2 (Sows 18 weeks after end of treatment, these are 6 month old first parity sows) vs S1 (Sows 10 weeks after end of treatment, these are 4.5 month old gilts). These herds were subjected to the same metaphylactic program when they were post-weaning piglet
| Resistance | Microbe | Outcome | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Trimethoprim / | Escherichia coli |
|
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| Sulfamethoxazole / | Escherichia coli |
|