What Is Egg Candling?
Egg candling is the process of shining light through the shell to observe embryo development inside the egg during incubation.
Candling helps incubators monitor fertility, embryo growth, and hatch progress throughout the incubation cycle.
Why Candling Matters During Incubation
Candling allows incubators to identify developing embryos and remove non-viable eggs before contamination problems occur.
Regular candling improves incubation monitoring and supports healthier hatch conditions.
Best Time to Candle Eggs
Many incubators candle eggs around days 7 and 14 to monitor embryo development and incubation progress.
Candling too frequently may increase unnecessary egg handling and stress.
Signs of Healthy Embryo Development
Healthy developing eggs often show visible blood vessels, embryo movement, and gradual darkening inside the shell during incubation.
Embryo growth becomes easier to observe as incubation progresses.
Identifying Non-Viable Eggs
Clear eggs without visible development, blood rings, or unusual discoloration may indicate non-viable embryos.
Removing unhealthy eggs helps reduce contamination risks inside the incubator.
How to Candle Eggs Safely
Eggs should be handled gently during candling to avoid unnecessary stress or shell damage.
Dark rooms and proper candling lights help improve visibility during embryo inspection.
Common Candling Mistakes
Common mistakes include candling eggs too often, handling eggs roughly, and misinterpreting embryo development signs during incubation.
Careful observation improves candling accuracy and hatch management.
Best Practices for Better Candling Results
- Candle eggs in a dark room
- Handle eggs carefully during inspection
- Use proper candling lights for visibility
- Candle eggs around days 7 and 14
- Remove non-viable eggs when necessary
Conclusion
Proper egg candling helps monitor embryo development and improve incubation management throughout the hatch cycle. Careful candling practices support healthier embryos, cleaner incubator conditions, and better hatch success overall.
Recommended Incubator
Zemiro incubators feature a built-in egg candling light, making it easy to monitor embryo development without additional tools.
https://zemirotech.com/collections/built-in-egg-candler
https://zemirotech.com/products/56-egg-professional-incubator