发明公开
EP1064947A1 IN OVO VACCINATION OF 1 TYPE MAREK'S DISEASE VIRUS 有权
在OVO IMMUNISIERUNG GEGEN DAS TYP 1 MAREK'S KRANKHEITSVIRUS

IN OVO VACCINATION OF 1 TYPE MAREK'S DISEASE VIRUS
摘要:
The preset invention provides a method for immunizing chickens which comprises inoculating into growing egg a composition comprising either cell-free attenuated viruses of Marek's disease type 1 or cells infected with attenuated viruses of Marek's disease type 1 capable of producing cell-free viruses. The present invention also provides a method for immunizing chickens which comprises inoculating into growing egg a mixed vaccine comprising said composition plus another vaccine from at least one microorganisms selected from the group consisting of viruses other than virus of Marek's disease type 1, bacteria and protozoan.
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