Journal
JOURNAL OF VETERINARY MEDICAL SCIENCE
Volume 67, Issue 3, Pages 349-351Publisher
JAPAN SOC VET SCI
DOI: 10.1292/jvms.67.349
Keywords
CWD; sika deer; surveillance
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Surveillance of chronic wasting disease (CWD) was conducted by performing Western blot analysis of tissue samples from 136 sika deer (Cervus nippon) killed by hunters in the Tokachi district of Hokkaido Island. No prion protein (PrPSc) associated with CWD was detected in any of the samples. To assess amino acid polymorphisms of the sika deer PrP gene, nucleotide sequencing of the PrP gene was performed. The only amino acid polymorphisms detected were 3 silent mutations at nucleotide positions 63, 225 and 408. These results suggest that sika deer in the Tokachi district are genetically homogeneous, and are not infected with CWD.
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