Infectious Coryza (Serotype A) Inactivated Vaccine
Preventing Infectious Rhinitis of Chicken caused by A Type Avian bacillus. Chickens under 42 days old immunized for 3 months; Chickens over 42 days old immunized for 6 months. If 42 days old first immunized and 110 days old second immunity, the immune periodis 19 months.
