J. O'brien, J. N. Campbell
Jan 11, 1975
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Quality indicators
Journal
Veterinary Record
Abstract
When framycetin sulphate was fed at prophylactic levels to pigs, resistance to this antibiotic was induced within days in the enteric E coli. The E coli of the gut did not become fully susceptible again until six to seven weeks after the anitbiotic was withdrawn from the diet.