Krogh H V
Nord Vet Med. 1983 Oct;35(10):346-52.
Enterotoxigenic Escherichia coli (ETEC) were isolated from 16.4% of diarrheic calves of up to 30 days old. Of 1-2-day-old calves nearly one half (45.0%) harboured ETEC, while this was the case with only 4.9% of 8-day-old calves. Among 206 9-30-day-old calves just three were found to harbour ETEC.
产肠毒素大肠杆菌（ETEC）从16.4%的30日龄以下腹泻犊牛中分离得到。在1 - 2日龄的犊牛中，近一半（45.0%）携带ETEC，而在8日龄的犊牛中这一比例仅为4.9%。在206头9 - 30日龄的犊牛中，仅发现三头携带ETEC。
