Fig. 1From: Antibiotic treatment in feedlot cattle: a longitudinal study of the effect of oxytetracycline and tulathromycin on the fecal and nasopharyngeal microbiotaTimeline for fecal and nasopharyngeal sampling. Experimental sampling days are indicated above the line and antibiotic injection is noted at day 0. The number of animals in each treatment group is displayed at the top of the figureBack to article page