PayaVax H9

Usage

PayaVax H9 is used to induce immunity in poultry—including broilers, breeders, and layers—against avian influenza caused by the H9N2 subtype.

Dosage and Administration

• Birds under 14 days old: 0.2 mL per bird, administered subcutaneously.

• Birds 14 to 60 days old: 0.3 mL per bird, administered subcutaneously.

• Birds over 60 days old: 0.5 mL per bird, administered subcutaneously or intramuscularly.

• Breeders and layers: Vaccination should be performed 14–21 days before the onset of egg laying (0.5 mL per bird).

Instructions for Use

• Remove the vaccine vial from the refrigerator and allow it to reach room temperature.

• Carefully read the provided instructions.

• Shake the vial several times thoroughly to ensure a uniform solution, then draw the vaccine into the syringe.

Main Components

• Inactivated avian influenza virus H9N2, isolated from a local Iranian strain

• 10⁸ EID₅₀ per dose

Sterile Injection Protocol

Always use sterile equipment for injection to avoid contamination during the vaccination process.

Injection Methods

• Subcutaneous injection: Administer in the lower neck region. Insert the needle under the skin and direct it toward the neck.

• Intramuscular injection: Administer into the pectoral muscles at a 45° angle to prevent accidental injection into the abdominal cavity.

Storage Conditions

• Store at 2–8°C

• Protect from light.

Packaging

• 500 mL bottle containing 2,500 doses