The Thai Journal of Veterinary Medicine


Enzootic bovine leukosis (EBL) is caused by bovine leukemia virus (BLV) infection. BLV was detected incattle using nested polymerase chain reaction (PCR) assay and were identified BLV infected cattle farms in fiveselected provinces in the Philippines. A total of 300 cattle blood samples were used. BLV Proviral DNA wasextracted and amplified using nested PCR assay targeting the BLV long terminal repeat (LTR). Results showed that11 samples (3.67%) of the 300 cattle blood samples used were positive for BLV infection. This study is considered firstreport of cattle EBL in the Philippines.

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