From: Characterization of Shiga toxin – producing Escherichia coli infections in beef feeder calves and the effectiveness of a prebiotic in alleviating Shiga toxin - producing Escherichia coli infections
Percent O157 STEC
Percent Non-O157 STEC
Season
Day 0
Day 35
Spring (n = 56)
7
27
36
77
Summer(n = 61)
11
87
40
72