Abstract
Abstract Bovine viral diarrhea (BVD) is a viral disease of cattle with a high economic impact. To estimate the seroprevalence of Bovine viral diarrhea virus (BVDV) infection of cattle on smallholder farms we included 78 smallholder farms in the Belgrade epizootiological area where 318 blood serum samples from cattle were collected, and subsequently tested. The samples were analyzed using a commercially available competitive enzyme immunoassay (ELISA) for the detection of antibodies against BVDV. The obtained results showed an overall seroprevalence of 3.8% whereas the seroprevalence on herd level varied from 0% to 80%. The obtained results showed a relatively low seroprevalence of BVD infection on smallholder farms on the territory of Belgrade city.
Highlights
Bovine viral diarrhea (BVD) is a highly contagious viral disease of cattle with a high economic impact due to decreased performance and milk production, reproductive disorders and increased mortality
The most BVD seropositive cows were located in the municipality Surčin (7 cows), following Barajevo (3 cows) and Sopot (2 cows), while the highest seroprevalence at herd level was observed precisely in the municipality Surčin (80%)
The true seroprevalence of Bovine viral diarrhea virus (BVDV) on smallholder farms within the implied Belgrade municipalities ranges from 0% to 76.9%
Summary
Bovine viral diarrhea (BVD) is a highly contagious viral disease of cattle with a high economic impact due to decreased performance and milk production, reproductive disorders and increased mortality. Based on the International Committee on Taxonomy of Viruses (ICTV), Bovine viral diarrhea virus (BVDV) is classified as a member of the family Flaviviridae, genus Pestivirus [1]. BVDV causes digestive, reproductive, and respiratory disorders that range from mild to severe ones [2]. BVDV primarily affects cattle, some other species like small ruminants and pigs can be infected, as well. The disease is present in wildlife affecting wild boars and other wild ruminants [3]. Some EU countries are free or almost free from BVD [5], while others, before launching eradication programs, had reported relatively high BVD seroprevalance, in Croatia
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