Abstract
Bovine immunodeficiency virus (BIV) has a worldwide distribution, but its prevalence in different regions of Iran is unknown. In this study, for the first time, the presence of BIV infections is detected by using the PCR method in Iranian water buffalo in East Azerbaijan. For this matter, blood samples were taken from 83 randomly selected buffaloes slaughtered in Tabriz industrial slaughterhouse from June to October 2012. All of the animals were clinically examined before sampling. Viral Gene-spin™ Viral DNA/RNA Extraction Kit was used to extract the DNA, and PCR was performed on the extracted DNA using oligonucleotiode primers specific for the gag gene region of the BIV virus. The prevalence of BIV in buffaloes was 2.4% (2 of 83), which is less than the prevalence of BIV in Pakistan (10.3%) and India (19%). The low prevalence observed in this study may be due to our small sample size.
Highlights
Bovine immunodeficiency virus (BIV) is a lentivirus
BIV was originally isolated from an 8-year-old dairy cow with persistent lymphocytosis, progressive weakness and wasting and was appointed in 1972 as R29 [6]
As there is no data on BIV in Iranian buffaloes, we conducted the prevalence of this infection in Azerbaijan
Summary
Bovine immunodeficiency virus (BIV) is a lentivirus. Lentiviruses are a widely disseminated group of exogenous non-oncogenic retroviruses, which include visna-maedi virus of sheep, equine infectious anaemia virus (EIAV), caprine arthritis encephalitis virus (CAEV), bovine immunodeficiency virus (BIV), feline immunodeficiency virus (FIV) and jembrana disease virus (JDV). As there is no data on BIV in Iranian buffaloes, we conducted the prevalence of this infection in Azerbaijan. Prevalence of Bovine Immunodeficiency Virus Infection in Buffaloes (Bubalus bubalis) slaughtered in Tabriz industrial slaughtered house in East Azerbaijan province of Iran from June to October 2012.
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