Newcastle Disease and Infectious Bronchitis Live Bivalent Vaccine (LaSota strain, H52 strain). The Newcastle disease part uses the classic LaSota strain, and the infectious bronchitis part uses the H52 strain, effectively preventing both classical and atypical Newcastle disease and respiratory infectious bronchitis.  

- Purified seed antigen: Uses continuous centrifugation and ultrafiltration technology to remove impurities during production, making the antigen purer.  
- Unique cultivation process: Ensures each dose contains 10 times the standard antigen content.  
- Selected SPF eggs, pure and safe: Made from SPF eggs free of 24 types of pathogens.  
- Special diluent: Multiple immune boosters enhance the vaccine's immunity by 100%.  

Usage and dosage: Administer via nasal drops or drinking water. (1) Suitable for chickens over 21 days old. (2) Dilute the vaccine according to the label instructions with saline, injectable water, or good quality cooled boiled water. Nasal drops: 1 drop (0.03 ml) per chicken. Drinking water: double the dose. The required drinking water amount depends on the age of the chickens; 20~30 days old: 10~20 ml; adult chickens: 20~30 ml.  

Package specification: 10 bottles/box