Research Article

The Adjuvant Activity of Epimedium Polysaccharide-Propolis Flavone Liposome on Enhancing Immune Responses to Inactivated Porcine Circovirus Vaccine in Mice

Figure 5

Effect of EPL on the activity of NK cells. Bars in the same day without the same superscripts differ significantly (). H: high dose; M: medium dose; L: low dose.