An investigation about the rate of bacterial infections in calves with diarrhea around Urmia

objectives: According to industrialization of the farms and modern ways of hygienic methods, diarrhea can cause economical damages, sever to compensate .enteritis can be caused by specificE.coli serotypes . It is very important in the first to the third week .the goal of the study is An investigation about the rate of bacterial infections in calves with diarrhea Matergials & Methods: The sampling was performed from 115 calves around urmia farms. The samples were cultured in selenite -f broth agar for enrichment . Then theu were cultured in ss agar , blood agar and mckancckey . After 24 h incubation in 37 c the results were as below Results & conclusion: from totally 115 samples 27/3% E.coli , 2/1% salmonella and 0/75% shigella was separated. For preventing diarrhea factors three ways are suggested: first reducing exposure of pathogenes. Second making maximum resistant . Third vaccination calves and pregnant cattles. entrobacteriacae is normal flora of the gut and is pathogen for animals and human . Some of them are saprophyte and make theimmune system week. The best way for preventing infections related to this family is observing hygienic principles in the farm.

bacterial, infections, calves, Urmia