A Meta-Analysis of the Prevalence of Leptospirosis and its Serovars in Livestock Population of Iran
2020
Hassani, Masoud | Nayeri Fasaei, Bahar
BACKGROUND: Leptospirosis is a zoonotic disease with a worldwide spread, which is very important from two aspects, health concerns in human societies and economic losses due to abortion, stillbirth, birth of weak calves, Milk-drop syndrome and mastitis and death. The prevalence of an infection at the herd or animal level is a key issue that determines whether the infection should be considered important and which measures and policies should be made and applied. OBJECTIVES: The aim of this search is a meta-analysis study of the prevalence of leptospirosis and serovars of leptospira interrogans in Iran. METHODS: The search was carried out by relevant literature search from 1997 to 2017 and by keywords: Iran, leptospira, cattle, sheep, goats, buffaloes, camel, and their combination in data banks of Magiran, SID, Iranmedex, PubMed and Google scholar. In this study, 39 articles were finally accepted. For statistical analysis, prevalence rates were entered in the Comprehensive Meta Analysis (CMA) software. RESULTS: The prevalence of leptospirosis in apparently healthy ruminants was 21.5% (95% CI: 17.8-25.8) and Grippotyphosa, Pomona and Canicola were the most prevalent. CONCLUSIONS: According to the high prevalence of pomona in our results, using this serovar in produced vaccines inside the country, applying preventive methods to control infection in herd dogs and gaining a share of the health system budget can have a good effect on for leptospira control program.
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