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Detection of bovine leukemia virus in beef cattle kept in the Central Coast Regions of Vietnam.


ABSTRACT: Bovine leukemia virus (BLV) is the etiologic agent of enzootic bovine leucosis. Our previous study showed the BLV existence in cattle kept in the Red River Delta Region of Vietnam. However, no positive samples were identified in beef cattle. Besides, information related to the BLV circulation in the remained parts of Vietnam is limited. Therefore, we tested the existence of BLV in 48 beef cattle kept in the Central Coast Regions. Nested PCR targeting the BLV-env-gp51 confirmed the prevalence of 14.6% in investigated regions. Phylogenetic analysis suggested the co-existence of genotypes 1 and 10. The close relationship between strains found in Vietnam, Thailand, Myanmar, and China was revealed suggesting the possibility of BLV transmission through the movement of live cattle.

SUBMITTER: LE DT 

PROVIDER: S-EPMC9887213 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature

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Detection of bovine leukemia virus in beef cattle kept in the Central Coast Regions of Vietnam.

LE Dung Thi DT   Nguyen Son Vu SV   LE Thu Anh Nu TAN   Nguyen Van Huu VH   LE Phung Dinh PD   Dinh Dung Van DV   Duong Hai Thanh HT   Vu Hai Van HV   Fujimoto Yuri Y   Kunieda Tetsuo T   Haga Takeshi T  

The Journal of veterinary medical science 20221201 1


Bovine leukemia virus (BLV) is the etiologic agent of enzootic bovine leucosis. Our previous study showed the BLV existence in cattle kept in the Red River Delta Region of Vietnam. However, no positive samples were identified in beef cattle. Besides, information related to the BLV circulation in the remained parts of Vietnam is limited. Therefore, we tested the existence of BLV in 48 beef cattle kept in the Central Coast Regions. Nested PCR targeting the BLV-env-gp51 confirmed the prevalence of  ...[more]

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