Prevalence of bovine viral diarrhea disease investigated with indirect ELISA method in dairy Holstein cows of Tabriz region

A Davasaz Tabrizi; P Zare; Y Davoudi; S Mosaferi; ئ Alamdari

Prevalence of bovine viral diarrhea disease investigated with indirect ELISA method in dairy Holstein cows of Tabriz region

2011

A Davasaz Tabrizi | P Zare | Y Davoudi | S Mosaferi | ئ Alamdari

Bovine viral diarrhea suppresses the immune system and makes animals susceptible to other diseases. Considering that the most common form of this disease is the chronic form, it is not considered seriously in our country. Since in many dairy herds there are many infertility cases without any specific cause and there are no vaccinations or control programs against bovine viral diarrhea in dairy farms of Tabriz, the need to investigate the prevalence of this disease in dairy farms across the region becomes obvious. Venous blood samples were obtained from 508 Holstein cows of dairy of Tabriz. Sera were maintained until testing at temperature of -20°C. Serum samples were tested using indirect ELISA and commercial kits for inspecting specific antibodies of bovine viral diarrhea. From the total of 508 cows that were studied, 95 cases (18.7 percent) had antibodies against bovine viral diarrhea.

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