《Tab.1 Neutralization antibody titer》

《Tab.1 Neutralization antibody titer》   提示:宽带有限、当前游客访问压缩模式
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《Construction and Immunogenicity of Recombinant Lactococcus lactis Expressing S1 Protein of Porcine Epidemic Diarrhea Virus(PEDV)》


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Blood samples were collected from ear vein before each immunization to separate serum,and blood samples were collected from heart to get serum and intestinal mucus on the 10thday after the third immunization(0,14,28 and 42 d).The serum and intestinal mucus were diluted with fixed virus,and neutralizing antibody titer of samples was determined on cells.Since controls were satisfied,the average neutralization antibody titers PD50of serum at various stages were 0,1∶2,1∶16,1∶40,and the neutralization antibody titer of serum after the third immunization was the highest.The neutralization antibody titer in small intestinal mucus was 1∶8(Tab.1).