David J. Hampson;Tom La;Matthew I. Bellgard;Nyree D. Phillips
发明人:
David J. Hampson,Tom La,Matthew I. Bellgard,Nyree D. Phillips
申请号:
US13129375
公开号:
US09011878B2
申请日:
2009.11.13
申请国别(地区):
US
年份:
2015
代理人:
摘要:
The present invention relates generally to vaccine strains of Brachyspira hyodysenteriae. In particular, the present invention relates to isolated live vaccine strains of B. hyodysenteriae lacking one or more virulence factors. The present invention also relates to methods of identifying and preparing vaccine strains, as well as vaccine compositions against diarrhoeal diseases and methods and kits for diagnosing same.