Antimicrobial susceptibility pattern of <i>Escherichia coli</i> isolated from dairy calves with diarrhoea in Akaki Kality, Addis Ababa, Ethiopia

Calf diarrhoea, the eighth most common cause of death in this age group, affects over 75% newborn calves under three weeks old. Fifty with diarrhoea from nine intensive dairy farms were assessed during study period. Of these, 72% (n =36) positive for E. coli There was a strong link between prevalence calf and groups. Therefore, those one month 1.3 more likely to be infected than months age. The Antibiogram test revealed that isolated highly responsive antibiotics tetracycline, chloramphenicol, sulfamethoxazole, streptomycin doxycycline, but less susceptible drugs amoxicillin, ceftazidime, nitrofurantoin, kanamycin resistant cefotaxime vancomycin. Results interviews regular observations area indicate young impacted by which accounted about half all health issues calves. recovery rate significantly higher week These findings supported hypothesis level excessive would detrimental output.