REPUBLIC OF KOREA (MANAGEMENT: MINISTRY OF AGRICULTURE, FOOD AND RURAL AFFAIRS)
发明人:
AN, Dong Jun,IM, Sung In,CHOE, Se Eun,CHO, In Soo,JEOUNG, Hye Young,SONG, Jae Young,KIM, Jae Jo,HAN, Gyoo Ha,HYUN, Bang Hun,KIM, Byoung Han
申请号:
WO2016KR15504
公开号:
WO2017116177(A3)
申请日:
2016.12.29
申请国别(地区):
世界知识产权组织国际局
年份:
2018
代理人:
摘要:
The present invention relates to an attenuated swine fever virus live marker vaccine strain and a vaccine composition for oral administration using same and, more particularly, to: an attenuated swine fever virus live marker vaccine strain (CSFV BErns attenuated C-P50) obtained by alternately and continuously culturing the conventional swine fever virus vaccine strain Flc-LOM-BErns between cells; a vaccine composition for oral administration comprising same; and a method for serologically differentiating between swine infected outdoors with swine fever virus and swine inoculated with the attenuated swine fever virus live marker vaccine strain. The safety of the attenuated swine fever virus live marker vaccine strain, CSFV BErns attenuated C-P50, according to the present invention has been enhanced by mitigating side effects, such as abortions/stillbirths in pregnant sows, which are problems of conventional swine fever virus vaccine strains. Also, the vaccine composition for oral administration according to th