«AVIVAC-CORYZA»

About the product

The vaccine is prepared from the antigens of A paragallinarum serotypes A and B and oilbased adjuvant. The vaccine has the appearance of a homogeneous white or pinkish white water-in-oil emulsion. The vaccine is available in glass or plastic 20 to 500 cm³ vials containing 40 to 1000 doses of the product.

Biological properties

Immunity to infectious coryza develops 14 to 28 days after double immunization and lasts at least 6 months. The vaccine is innocuous and non-reactogenic; it possesses no therapeutic properties.

Indications for use

The vaccine is used for the prevention of infectious coryza at affected farms and farms where there is a risk thereof. Only clinically healthy birds can undergo vaccination. Replacement chicks and young layers are subject to vaccination at the age of 30 or older followed by revaccination at the age of 90 to 110 days old, but not later than 3 to 4 weeks before the egg-laying period. The vaccine is administered percutaneously into the lower third of the neck at the dose of 0.5 cm³ per bird. Broilers can be vaccinated at the age of 1 day or older. The injection site must be treated with a disinfectant solution. Needles and syringes must be sterilized by boiling in distilled water for 15 minutes. Before use the vials with the vaccine must be incubated at temperature between 20 and 22°C for 3–4 hours. Before and during immunization the vials containing the vaccine are intermittently shaken in order to keep the emulsion uniform. The vaccine is compatible with antibiotics, sulfanilamides, vitamins and probiotic preparations if the latter are administered orally. In high-risk geographical zones, birds must receive antibiotics in addition to the vaccine to ensure protection while immunity develops. Antibiotics must be administered at the doses determined on the basis of the known sensitivity parameters, in accordance with approved treatment schemes.

Storage requirements

The shelf life of the vaccine is 12 months from the date of manufacture, if stored and transported in a dark dry place in original or transport packaging at a temperature between +4 and +8°C.