A serological survey on leptospirosis in aborted dairy cattle in industrial farms of Hamedan suburb, Iran

Authors

  • A. Bahari Department of Veterinary Medicine, Faculty of Paraveterinary Sciences, Bu-Ali Sina University, Hamedan, Iran
  • A. Sadeghi-Nasab Department of Veterinary Medicine, Faculty of Paraveterinary Sciences, Bu-Ali Sina University, Hamedan, Iran
  • B. Dadmehr Applied Science Education Center of Amarlou, Jirandeh, Iran
  • G. Abdollahpour Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
  • M. Yavari Department of Veterinary Medicine, Faculty of Paraveterinary Sciences, Bu-Ali Sina University, Hamedan, Iran
  • S. Sattari Tabrizi Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
Abstract:

Leptospirosis is a zoonosis of worldwide distribution, caused by Leptospira interrogans. It is a well known cause of bovine reproductive losses such as abortion, infertility, stillbirth and birth of weak calves. Inthis research, the relationship between the seroprevalence rate of Leptospira spp. infection and abortion inindustrial dairy farms of Hamedan province, Iran was studied. A total of 80 blood samples were taken fromaborted cows in six dairy farms. Sera were tested for antibodies against 6 serovars of Leptospira interrogans(hardjo, pomona, canicola, grippotyphosa, icterohaemorrhagiae and ballum) using microscopic agglutination test (MAT). Antibodies were detected in 18 (22.5%) of the aborted cows, including 17 (21.25%) against L. canicola and 1 (1.25%) against L. pomona. It is concluded that dogs (shepherd and stray) and wild carnivores may have an important role to maintain and transmit the L. canicola infection to the cattle population in this region, therefore, vaccination of cattle and shepherd dogs should be applied.

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Journal title

volume 12  issue 4

pages  337- 339

publication date 2011-12-20

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