Journal
PESQUISA VETERINARIA BRASILEIRA
Volume 26, Issue 4, Pages 211-216Publisher
REVISTA PESQUISA VETERINARIA BRASILEIRA
DOI: 10.1590/S0100-736X2006000400005
Keywords
BVDV-1; BVDV-2; Pestivirus; phylogenetic analysis
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Nineteen isolates of bovine viral diarrhea virus (BVDV) from Brazil were genetically characterized through partial nucleotide sequencing and analysis of the 5'UTR region. The isolates were grouped as BVDV-1 (11/19), BVDV-2 (6/19) or atypical pestivirus (2/19). Among the BVDV-l, eight isolates were classified as subgenotype BVDV-1 a, whereas most (4 out of 6) BVDV-2 belonged to subgenotype 2b. Two isolates from aborted fetuses were not classified into any genetic group, being considered atypical BVDVs. Genetic diversity among Brazilian BVDV isolates may be responsible far vaccination and diagnostic failure and therefore may influence the control strategies for BVDV infection in the country.
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