鸡传染性鼻炎多价灭活疫苗的研制及免疫试验

Development of Polyvalent Inactivated Vaccine to Infectious Coryza and Immunity Test

介绍鸿传染性鼻炎多价灭活苗研制程序。疫苗安全可靠，免疫后两周产生免疫力，免疫期半年以上，保护率93．75％，疫苗于4℃保存有效期一年。

Procedures for development of polyvalent inactivatled vaccine for infectious coryza was de-peribed. The vaccine is safe and reliable. Immunity was induced in chickens 2 weeks after vaccination with a du-ration over half a year and a protection rate of 93. 75 %. The shelf-life of the vaccine at 4℃ is one year.