FAN, HENRY H.,KUMAR, MAHESH,LA RAGIONE, ROBERTO MARCELLO,WOODWARD, MARTIN JOHN
申请号：
CA2524942
公开号：
CA2524942C
申请日:
2004.05.12
申请国别(地区):
CA
年份:
2012
代理人:
摘要：
A genetic deletion mutant live E. coli vaccine suitable for mass applicationto poultry, including chickens, is provided. Also provided is a safe andeffective method to protect poultry against the ravages of Escherichia colibacillosis infection and disease in which a live mutant aroA- gene deleted E.coli immunogen is administered to chickens, turkeys and the like via massapplication routes such as coarse sprays and drinking water.
