INFLUENZA VACCINE FOR POULTRY

摘要

PURPOSE:To obtain the titled vaccine capable of improving persistent immunological activity of poultry against novel antigen-type virus in a short time, by inactivating influenza virus H5N3 strain or an influenza virus having an antigen common with said viral strain. CONSTITUTION:Influenza virus H5N3 strain or an influenza virus strain having an antigen common with said viral strain is inoculated in chorio-allantoic cavity of an incubating egg and proliferated in an incubator at 33 deg.C. Chorio-allantoic liquid is extracted from the egg, added with formalin and left standing. The liquid is centrifuged to remove residues and the obtained H5N3 supernatant liquid is mixed with aluminum hydroxide gel. The objective inactivated vaccine can be produced by adding a phosphoric acid-buffered saline water to the mixture.