Determine the antimicrobial resistance of E. coli from cattle reared with various antibiotic usage regimens. Are these intervention strategies that can reverse antimicrobial resistance?
Approach: 1. Will culture approximately 1000 cattle fecal samples for E. coli. 2. E. coli will be tested for antibiotic sensitivities. 3. Resistant bacteria will be genotypically characterized. 4. Antibiotic usage practices will be altered and cattle populations re-distributed to reduce antibiotic resistance.