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PCR detection of a novel herpesvirus POL gene in the heart tissue; elephant No. 1. Gel electrophoretic separation of first-round PCR products by using Codehops primers LGH2595/2597 (550 bp). Photograph of ethidium bromide stained agarose gel. Lanes 1 to 4, undiluted DNA samples from No. 1. Lane 1, whole blood; 2, heart; 3, intestine; 4, spleen; 5, EEHV1B positive control; 6, no DNA negative control.
