Seroprevalence of infectious bovine rhinotracheitis and bovine viral diarrhea virus type 1 and type 2 in non-vaccinated cattle herds in the Pacific Region of Central Costa Rica |
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| Authors: | Eran A Raizman Roman Pogranichniy Maria Negron Megan Schnur Diego E Tobar-Lopez |
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| Institution: | 1.Department of Comparative Pathobiology School of Veterinary Medicine,Purdue University,West Lafayette,USA;2.Indiana Animal Disease Diagnostic Laboratory,Purdue University,West Lafayette,USA;3.Centro de Agriculturea Tropical Investigación y Ense?anza,Torrealba,Costa Rica |
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| Abstract: | The objectives of this cross-sectional study were to estimate the seroprevalence of infectious bovine rhinotracheitis (IBR,
BHV-1) and bovine viral diarrhea virus (BVDV) in a population of non-vaccinated, double purpose, dairy and beef herds in the
Pacific Region of Central Costa Rica. Blood samples were collected from a total of 496 animals from 35 herds. Sera were tested
for antibodies against BHV-1(IBR) and BVDV types 1 and 2 using serum neutralization test. The average number of animals tested
in each herd for each of the viruses was 14. Overall individual seroprevalence was 48%, 27%, and 19% for IBR, BVDV type 1,
and BVDV type 2, respectively. Median within-herd seroprevalence for IBR, BVDV type 1 and type 2 were 43%, 27%, and 24%, respectively. |
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