Using qPCR and sequencing of the VP3 protein-encoding gene, GPV is identified as the causative agent of high mortality among geese between 2018 and 2019. 
qPCR
Using qPCR and sequencing of the VP3 protein-encoding gene, GPV is identified as the causative agent of high mortality among geese between 2018 and 2019. 
sequencing
The VP3 sequences were also compared with the similar GenBank sequences phylogenetically. 
GenBank