Poultry H9N2 Vaccine Description
Avian Influenza H9 (H9N2) is one of the most economically significant poultry diseases, causing:
- Respiratory symptoms
- Egg production decline
- Increased susceptibility to secondary infections
This inactivated H9 vaccine (Strain NJ01) is developed to provide reliable protection for both chickens and ducks, supporting intensive poultry farming systems.
The vaccine offers:
- Strong immunogenicity
- Flexible immunization schedules for different production stages
- Compatibility with large-scale vaccination programs
It is especially suitable for:
- Layer farms
- Broiler operations
- Duck farms
- Integrated poultry production systems
Immunization Program
Chickens
- Single Dose:
- 10–12 days → ~6 weeks immunity
- 3–5 weeks → ~4 months immunity
- Two-Dose Program (Recommended):
- Primary: 10–12 days
- Booster: 7 weeks
- Immunity: up to 6 months
Ducks
- Single Dose:
- 8–12 days → ~3 weeks immunity
- 3–5 weeks → ~3 months immunity
- Two-Dose Program (Recommended):
- Primary: 8–12 days
- Booster: 5 weeks
- Immunity: up to 5 months
- Breeding Ducks:
- Vaccinate 1–2 weeks before laying
- Booster every 5 months
Dosage & Administration
- Route:
- Intramuscular injection
- Subcutaneous injection (neck dorsal region)
Dosage:
Chickens
- <5 weeks: 0.3 mL
- ≥5 weeks: 0.5 mL
- Booster: 0.5 mL every 6 months
Ducks
- <5 weeks: 0.3 mL
- ≥5 weeks: 0.5 mL
- Pre-laying: 0.8 mL
- Booster: 0.8 mL every 5 months
Composition
- Inactivated H9 avian influenza virus (NJ01 strain): ≥ 10⁸.⁰ ELD50/0.1 mL (before inactivation)
Product Characteristics
- Appearance: Milky white emulsion
- Stable oil-adjuvanted formulation
- Strong and consistent immune response
Safety & Adverse Reactions
- Generally no visible adverse reactions
- Safe for use in healthy poultry
Precautions
- Use only in healthy birds
- Do NOT:
- Freeze
- Expose to high temperatures
- Before use:
- Bring to room temperature
- Shake thoroughly
- Do not use if:
- Emulsion breaks (demulsification)
- Product deteriorates
- Use aseptic techniques during vaccination
- After opening:
- Use within the same day
- Withdrawal period:
- Do not use within 21 days before slaughter (broilers)
- Dispose of vaccine materials safely
Packaging & Specification
- Specifications:
- 250 mL/bottle
- 500 mL/bottle
- Packaging:
- 40 bottles/carton
- 20 bottles/carton
Storage & Shelf Life
- Storage: 2–8°C
- Do NOT freeze
- Shelf Life: 24 months
