Figure 2

Characteristics of E. coli (n = 44) and Enterococcus spp. (n = 167) from pre-weaned dairy calves at the time of fecal sample collection by placebo and zinc treatment groups (A) Fecal sample type (B) Age of calf (C) Number of days from recent therapeutic spectinomycin treatment (D) Number of therapeutic spectinomycin treatments received (E) Days from diarrhea onset (positive numbers) and from diarrheal cure (negative numbers) and (F) Diarrhea disease status.