By Dr. Maral Rahmani
PoultryMed Veterinary Services
April 2025
Introduction
In poultry production, what happens between flocks is just as important as flock management itself. Downtime—also known as the “empty period”—is the intentional gap between removing one flock and placing the next. Though it may feel like lost time, this period is critical for breaking disease cycles, improving flock health, and protecting long-term productivity.
Why is downtime important?
Pathogens like bacteria, viruses, and parasites can survive in litter, dust, or hidden corners of equipment—even after cleaning. Without adequate downtime, incoming birds can be exposed to residual infections from the previous flock. This increases the risk of early mortality, delayed growth, and disease outbreaks.
Key benefits of proper downtime
- Disease control: Gives pathogens time to die off in the absence of a host.
- Improved cleaning: Allows for thorough drying after washing and disinfection.
- Reduced medication use: Healthier environments often reduce the need for treatments.
- Better bird performance: Clean starts lead to stronger, more resilient flocks.
How much downtime is enough?
While it varies depending on the operation, a minimum of 14 days is often recommended for commercial systems. This should include removal of all organic matter, complete washing and drying of barns, and disinfection with a proven product. In smaller flocks, even a few days of rest can make a noticeable difference.
Final Thoughts
Downtime may not generate revenue, but it protects your investment. Think of it as resetting the environment—a clean slate for the next flock to thrive.

