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CORYVAC™
CORYVAC™ is an inactivated trivalent vaccine against Infectious Coryza caused by Avibacterium paragallinarum serogroups A, B & C.
Target Species – Chickens.
Composition (before inactivation)
Inactivated trivalent water-in-oil emulsion vaccine of Infectious Coryza; at least 1.5×108.0 of Avibacterium paragallinarum serovars A, B, and C.
Indications
For the immunization of chickens to protect against the clinical signs and mortality associated with Infectious Coryza.
Vaccination Program
Birds can be vaccinated from the age of 8 to 16 weeks onwards, as per advice from your poultry veterinarian. A second dose should be given 3-4 weeks later, at least two weeks before the onset of lay.
Onset of immunity: Three weeks after primary vaccination. Duration of immunity: A 2-dose regime triggers protection until 6-8 weeks. A booster dose is required to protect the breeder and layer flocks during the laying period. The vaccine should not be used if chickens are diseased or immunosuppressed. Do not mix with any other veterinary medicinal product.
Dosage
The vaccine dose (0.5 mL/bird) should be administered subcutaneously in the lower part of the neck or intramuscularly in the thigh or breast muscles.
Administration
- Subcutaneous injection: in the lower part of the neck. The needle should be inserted just under the skin in a direction away from the head and in a straight line with the neck.
- Intramuscular injection: in the breast muscles by inserting the needle with a 45° angle to avoid intraperitoneal injection.