| frequency and risk-factors analysis of escherichia coli o157:h7 in bali-cattle. | cattle are known as the main reservoir of zoonotic agents verocytotoxin-producing escherichia coli. these bacteria are usually isolated from calves with diarrhea and/or mucus and blood. tolerance of these agents to the environmental conditions will strengthen of their transmission among livestock. a total of 238 cattle fecal samples from four sub-districts in badung, bali were used in this study. epidemiological data observed include cattle age, sex, cattle rearing system, the source of drinking ... | 2017 | 28506793 |