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Veterinary Research Forum، جلد ۱۵، شماره ۶، صفحات ۳۰۳-۳۰۸
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عنوان انگلیسی An outbreak of Akabane disease in a cattle herd on the Mughan plain, Iran
چکیده انگلیسی مقاله In November 2021, an investigation was conducted into an outbreak of abortion, stillbirth, and the birth of calves with congenital abnormalities (arthrogryposis and hydranencephaly) at a dairy farm in Dasht-e-Mughan city, Ardabil province. A total of 70 cows experienced these issues. To determine the cause of the outbreak, post-mortem brain tissue samples were collected from two calves affected by hydranencephaly, which occurred shortly after their birth. Polymerase chain reaction (PCR) testing was conducted for multiple viruses, including bovine viral diarrhea (BVD), border disease, Akabane, Schmallenberg, and bluetongue viruses (BTVs). The samples were positive only for Akabane virus. Serum samples were collected from a group of 60 cattle, consisting of 45 adult cows and 15 younger calves aged between 8 to 10 months. These samples were analyzed to detect the presence of antibodies against the Akabane and Schmallenberg viruses. Both of these viruses are known to be responsible for causing abortion, stillbirth, and congenital abnormalities in calves. Among 45 cows that tested by competitive enzyme-linked immunosorbent assay (cELISA), 26.66% and 33.33% exhibited antibodies against Akabane and Schmallenberg viruses, respectively. Notably, 20.00% of cows co-exhibited antibodies for both viruses. Despite PCR evidence implicating Akabane virus as the principal etiology of clinical signs observed in the affected herd, the high co-seropositivity to Schmallenberg virus, warrants a thorough investigation into potential viral interactions. Further research is required to determine the source of the virus and their transmission routes. This information could facilitate the refinement of disease control strategies and improving the management of reproductive challenges in such affected herds.
کلیدواژه‌های انگلیسی مقاله Akabane virus,Cattle,cELISA,RT-PCR,Schmallenberg
نویسندگان مقاله Yousef Davoudi |
Department of Veterinary, Sarab Branch, Islamic Azad University, Sarab, Iran

Mohammad Nouri |
Department of Clinical Sciences, College of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran

Mohammad Rahim Haji Hajikolaie |
Department of Clinical Sciences, College of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran

Shobeir Yazdani Paraei |
Department of Clinical Sciences, College of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran

Amir Javadi |
Health Deputy of General Department of Veterinary Medicine in Qazvin Province, Qazvin, Iran

Saleh Esmaeilzadeh |
Department of Clinical Sciences, College of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran

نشانی اینترنتی https://vrf.iranjournals.ir/article_712938_b293df41b34c4e4b5ab54c0f3e24a963.pdf
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