Prevalence of antibodies to BVD virus in milk tanks, dairy farms in Tabriz with history of abortions in 90-1389

Subject Areas : Veterinary Clinical Pathology

منصور Khakpour ¹ , هیوا Ahmadi ² , A.R Monadi ³ , صمد Mosaferi ⁴

1 - Department of Patobiology, Faculty of Veterinary Medicine, Tabriz Branch, Islamic Azad University, Tabriz, Iran
2 - Graduate of Veterinary Medicine, Tabriz Branch, Islamic Azad University, Tabriz, Iran
3 - Department of Patobiology, Faculty of Veterinary Medicine, Tabriz Branch, Islamic Azad University, Tabriz, Iran
4 - Department of Clinical Sciences, Faculty of Veterinary Medicine, Tabriz Branch, Islamic Azad University, Tabriz, Iran

Received: 2012-05-27 Accepted : 2012-09-05 Published : 2012-05-21

Keywords: Tabriz, Elisa, Bovine viral diarrhea,

Abstract :

Bovine viral diarrhea (BVD) is the most important bovine viral disease across the world. The virus belongs to Flavi viridae and of Pesti virus genus which causes to various syndromes. The virus affects the reproduction, respiratory, digestive, cardiovascular, immunity, lymphatic, muscular  and central nervous systems .Today, different tests (virus isolation, RT-PCR, capturing ELISA, direct and indirect ELISA  and immune fluorescence test) have be designed in order to diagnosis viral infection of cattle’s viral diarrhea. This study aimed at demonstrating the importance of the disease in cattle’s abortion of Tabriz suburb’s cattle pens in 89-90 by measurement antibody titre of produced milk. ELISA test was used in the present study since ELISA test of bulk milk is one of the diagnostic methods in cattle pens according to the regulations of counyry veterinarian organization for controlling BVD-MD disease. The results demonstrated that there were 9 positive and 11 negative samples of 20 milk samples. The results suggest that of the rate of milk tanks contamination of Tabriz suburb is about 45% in 89-90 which shows relatively 2% resistant contamination in cattle pens of the region.   

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