Occurrence and diversity of Eimeria species in cattle in Hamedan province, Iran

https://doi.org/10.17221/7570-VETMEDCitation:Heidari H., Sadeghi-Dehkordi Z., Moayedi R., Gharekhani J. (2014): Occurrence and diversity of Eimeria species in cattle in Hamedan province, Iran. Veterinarni Medicina, 59: 271-275.
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Information on the occurrence, diversity and economic losses due to Eimeria infection on cattle farms is lacking in Western Iran. The principal aim of this study was to determine the prevalence and diversity of Eimeria species in cattle in Hamedan province, Western Iran. In a cross-sectional study performed from June 2010 to April 2013, 400 faecal samples were collected randomly from animals without clinical signs from different cattle farms of Hamedan province and examined for Eimeria species infection using parasitology methods. The overall infection rate of Eimeria species was 8.25%. Nine species of Eimeria were identified including: E. bovis (23.7%), E. zuernii (19.2%), E. canadensis (12.6%), E. ellipsodalis (11.4%), E. alabamensis (10.4%), E. pellita (9.1%), E. auburnensis (6.8%), E. cylindrica (4.6%) and E. bukidnonensis (2.3%). There were statistically significant differences with respect to Eimeria infection and age group (P < 0.0001, OR = 6), although no statistically significant relationships were found for sex (P = 0.35) or faecal consistency (P = 0.587). In conclusion, this study is the first to report the prevalence and diversity of Eimeria species in cattle in Hamedan province. Infection with pathogenic Eimeria spp. was asymptomatic in all animals; this is the reason for the transmission of infection by carriers in this region. Therefore, integrated strategies should be utilised to prevent and control Eimeria spp. infection on cattle farms.  
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