Khezzani, Bachir2020-10-072020-10-072020http://dspace.univ-msila.dz:8080//xmlui/handle/123456789/19643The main objective of this paper El-Oued province by analyzing a series of statistical data. The results show that 37.9% of the teste danimalshad a positive result. The highest further more, the high incidence rate has been reported in cattle Females are more exposed to brucell incidence characterized by a strong fluctuation with an upward trend. In addition, the highest incidence rate was reported in the spring at 2.74 per 100,000 authorities are making enormous efforts to limit in the study area. This situation requires a series of urgent and specific therapeutic measures.Algeria; Brucellosis;El-Oued; Epidemiology; Livestock; Prevalence;IncidenceArticle