Reduction of withdrawal period for certain chicken vaccines

2026-01-15

The Canadian Food Inspection Agency (CFIA), through the Canadian Centre for Veterinary Biologics (CCVB), has revised the withdrawal period for certain licensed poultry vaccines against infectious bronchitis and infectious bursal disease from 21 days to 7 days, effective February 2, 2026. This change is expected to improve poultry health and welfare without impacting food safety.