The prevalence of camel brucellosis and associated risk factors

Camel brucellosis is a widespread and critical zoonotic infection caused by Brucella abortus melitensis that negatively impact dairy meat products. The current meta-analysis covers studies published over course of 40 years, between 1 January 1980 April 2021, aiming to investigate the global prevalence spp. in camels related risk factors different camel-keeping areas. Chi-squared test (I2 index) was applied evaluate heterogeneity studies. A random-effect model (REM) estimated pooled among subgroups. literature search on camel performed available databases, including CABI, PubMed, Embase, Web Science, Cochrane, Scielo, Scopus, Science Direct. total 56 publications, comprising 205 data reports, were evaluated. Our results showed overall world 9.23%. lowest highest rates infections reported Oman (0.34%, 95%CI: 0.18–0.55) Sudan (37.41%, 25.27–50.31), respectively. According factors, subgroup analysis location, sex, herd size, age, mixed rearing with other animals could be considered main impacting occurrence camels. dromedary (Biovar 1, 2, 3), 3, 5, 6), suis. study represented remarkable differences male (6.83% 41 studies) female (9.64% 62 However, present meta-epidemiological would help improve control surveillance approaches prevent spread herds.