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OJVRTM

Online Journal of Veterinary Research©

Volume 20(2):65-74, 2016.

 

 Survey of bovine immunodeficiency and leukemia virus co-infections.

 

Azam Mokhtari1*, Mohammadreza Mahzounieh1

 

Department of pathobiology, Faculty of veterinary medicine, Shahrekord University, Shahrekord, Iran

ABSTRACT

Mokhtari A,  Mahzounieh M., Survey of bovine immunodeficiency and leukemia virus co-infections, Onl J Vet Res., 20(2):65-74, 2016.  infection with Bovine immunodeficiency virus (BIV) together with consequent immunosuppression, might predispose cattle to be infected by other agents such as bovine Leukemia virus (BLV). We describe the incidence in Iran of co-infection with BLV and BIV in 2290 blood samples from Holstein cows detected by ELISA and PCR tests. Thirty five BIV positive samples were selected for investigation of BLV and  55 BIV negative samples from homogeneous cattle from the same farms were tested and of 90 cattle, 11 (12.22%) samples had BIV and BLV proviral DNA and were positive to ELISA test. Only one sample (1.11%) was BLV positive. There was a statistically significant relationship between BIV status and BLV infection using Pearson’s correlation coefficient; (p=0.0001, r=0.42).

Key words: Bovine, immunodeficiency, leukemia virus, co-infection.

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