Document Type : Original Article

Authors

1 Department of Internal Medicine and Clinical Pathology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran

2 Department of Internal Medicine, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran

3 Student of Dentistry, Faculty of Dentistry, Hormozgan University of Medical Sciences, Bandar Abbas, Iran

Abstract

Leptospirosis, a zoonotic disease, is characterized by fever, jaundice, abortion and hemo-globinuria. It is widespread and the determination of the dominant serotype in the animal species of each region accelerates the control and prevention program. 862 blood samples were prepared from ruminants and equines. Serum antibody of leptospira serovars were determined based on gender and age parameters. Sera were examined by microscopic agglutination test (MAT) with six live serotypes. The overall prevalence was 22.30%, with the highest (37.00%) and the lowest (6.60%) in Holsteins and mules, respectively. The overall male and female incidence were 12.20% and 9.86%, respectively, which was not different. The highest gender infection was in male Holsteins (19.20%) and the lowest were in male Simmentals and mules (1.72%). The highest dilution was 1:100 for pomona and the lowest was for canicola. All animals responded positively to grippotyphosa. The highest infection to one serovar was in Holsteins and the lowest for four serovars were in goats and Simmentals. Males less than 1.5 years old showed the highest infection. Age differences in leptospira infection except for sheep was significant. In conclusion, leptospira infection in ruminants was high compared to equines. Gender differences were not significant. The highest dilution was 1:100, with pomona in ruminants and grippotyphosa in all species. Leptospiral infection was increased with age and the differences among animals except for sheep were significant. Finally, regarding 22.30% infection rate, vaccination is necessary to Holsteins, and preventive measures for others. Health advices would be necessary for human safety.

Keywords

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