Technique for concentrating chicken ND-IB-AI-EDS tetrad oil emulsion killed vaccine antigen
2006
The present invention provides a technique for preparing concentrated inactivated oil emulsion vaccine four chicken ND-IB-AI-EDS during viral antigens. The main contents of the process are: the newcastle disease virus (of NDV), infectious bronchitis virus (IBV), H9 subtype avian influenza virus (AIV), respectively, the internal pressure type hollow fiber ultrafilter, after a coarse filter, fine filter , ultrafiltration, concentrating receipt four steps, three viral antigens after concentration and decreased egg drop syndrome virus (EDSV) was prepared by mixing four inactivated oil emulsion vaccine chicken ND-IB-AI-EDS is used.
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