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Prevalence of The Main Infectious Causes of Abortion in Dairy Cattle in Algeria

Salima-Yamina Derdour,1 Fella Hafsi,1 Naouelle Azzag,1 Safia Tennah,1 Abdelouahab Laamari,1 Bernard China,2 and Farida Ghalmi1

  • 1Research Laboratory Management of Local Animal Resources, Higher National Veterinary School, El Alia, Oued Smar, 1615, Algiers, Algeria

    2Scientific Institute for Public Health, 1050, Brussels, Belgium


Abortion in cattle is a major source of economic losses for the agriculture sector. It can be due to infectious or non-infectious factors. Among infectious factors, parasites, bacteria, viruses, and fungi can be involved. The present work investigated the prevalence of the main infectious agents of abortion in Algerian cattle.

Altogether 278 non-aborting and 82 aborting cows were analysed.

The prevalence ranged from 0% for Tritrichomonas foetus to 15% for Neospora caninum. Additionally, a case-control study was performed to find the association between the presence of the pathogens and the occurrence of abortion in cows. The odds ratios were significant for Neospora caninum, bovine herpes virus 4, BVD virus, Brucella abortusSalmonella Dublin, Leptospira interrogans serovar Hardjo, and Coxiella burnetii.

The pathogens enumerated here could be major causes of abortion among Algerian cattle.