Merck Animal Health Corvac 3 Vaccine

The Merck Animal Health Corvac-3 vaccine provides broad-spectrum protection against disease caused by Avibacterium paragallinarum (coryza serotypes A, B or C) and is approved for use in chickens five weeks of age or older by subcutaneous injection. It has optimum antigen content and provides dependable development of immunity against the disease. It comes in a 500-ml (1,000 doses) presentation.

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