Serological study on leptospiral infection in camels (Camelus dromedarius): A provincial study

Authors

1 Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahid Chamran University, Ahvaz-Iran

2 Department of Agriculture, Payame Noor University, Tehran-Iran and Graduated of Veterinary Medicine, Faculty of Veterinary Medicine, Shahid Chamran University, Ahvaz-Iran

3 Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Tehran, Tehran-Iran

4 Department of Laboratory Sciences, School of Paramedicine, Shahid Sadoughi University of Medical Sciences, Yazd-Iran

Abstract

BACKGROUND: Leptospirosis as a common zoonotic diseases has a worldwide distribution. OBJECTIVES: To Investigate of seroprevalence leptospiral infection in slaughtered camels (Camelus dromedarius) province of Yazd, Iran. METHODS: Blood samples were collected  from 128 camels. Sera were initially screened at serum dilution of 1:100 against six live antigens of (Leptospira interrogans serovars pomona, canicola, hardjo, ballum, icterohaemorrhagiae, grippotyphosa) using microscopic agglutination test. The values ||“| 50% in a dilution l:100 were considered as positive ones. Sera with positive values were titrated against reacting antigens in serial dilutions from l:100 to 1:400. RESULTS: Antibodies against one or more serovars were shown in 30 (32.4%) sera at dilution |“|1:100. Among the positive sera, pomona (57.9%) canicola (23.7%), hardjo (10.5%), grippotyphosa (5.3%) and icterohaemorrhagiae (2.6%) were the most frequent serovars,respectively. Furthermore antibodies against more than one serovar were found in 8 (26.6%) of positive sera. CONCLUSIONS: It seems that leptospiral with various serovars could be considered as a prevalent infection in camels of the central part of Iran.

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