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Figure 1 | BMC Microbiology

Figure 1

From: Distribution and characterization of ampicillin- and tetracycline-resistant Escherichia colifrom feedlot cattle fed subtherapeutic antimicrobials

Figure 1

Feeding and antibiotic administration timeline. Numbers indicate day of the feeding period and B, C, D, and E represent points where fecal samples were collected from cattle. Silage-based diets were fed for 115 d, followed by 21 d of transition to the grain-based diet, which was then fed until shipment of cattle to market. Shaded areas indicate the periods that antimicrobials were included in the diet.

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