Fig. 1.
PCR products (409 bp) of different coronavirus strains using CCV1-CCV2 primers. Lane 1, marker (Gene RulerTM 100 bp DNA Ladder Plus, Fermentas); lane 2, CCV USDA; lane 3, CCV 45/93; lane 4, FIPV; lane 5, TGEV Purdue; lane 6, BCV 9WBL-77; lane 7, IBV M-41; lane 8, fecal sample CCV positive; lane 9, fecal sample CCV positive; lane 10, fecal sample CCV negative; lane 11, fecal sample CCV negative.