Fig. 1

A fragment of the N gene from VHSV with a length of 505Â bp amplified by PCR. Lane 1: Control sample without injection, Lane 2: Sample with virus injection: 505Â bp fragment associated with the N-gene region of the VHSV virus. Lane3: Sample with physiological saline injection, and Lane 4: 100Â bp molecular weight marker (Tekaposist Company, Iran)