Keywords Feline panleukopenia virus;VP2 protein gene;Genetic evolution;Pichia pastoris yeast;Recombinant protein VP2;Recombinant virus;Expression;Immunogenicity;Co-immunization.;

• VP2蛋白;遗传进化;毕赤酵母;重组蛋白;重组病毒;表达;免疫性;联合免疫;