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The effects of neomycin and oxytetracycline alone or combined upon the incidence of salmonellosis in broiler chickens

Williams BJ

Poultry science, 1985

Abstract

Chickens were orally inoculated with Salmonella typhimurium and fed rations medicated with either 200 g/ton neomycin sulfate, 200 g/ton oxytetracycline, or a combination of 200 g/ton neomycin sulfate plus 200 g/ton oxytetracycline for 16 days. The incidence of salmonellosis was lower in chickens fed the combined antibiotics, and the numbers of viable S. typhimurium in feces were significantly fewer than in chickens receiving only one antibiotic. Chickens fed the combination also gained significantly more weight on less feed than those fed only one antibiotic.

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