Studies on Escherichia coli in Cattle in Al-Hasa Region Etiology, Prevalence and Pathogencity

Abstract

Seven hundred fifty nice samples from animal cases were examined. Two hundred thirty were females and five hundred twenty nine from males. Generally four different form of the faces were clinically seen the affected cattle during outbreaks, each case was noted to have suffer from the one of the following pictures (1) greenish diarrhea (2) watery diarrhea(3) bad smelly diarrhea (4) apparently normal faeces. The morbidity rate of the disease was noted to range between 17-23%, but mortality rate w