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How to Increase Your Egg Hatch Rate to 90%+

10 May 2026

How to Increase Your Egg Hatch Rate to 90%+
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Maximizing Your Hatch Rate

A good hatch rate is 80-90%. If you are getting less, here are proven ways to improve.

1. Egg Selection

  • Use eggs from healthy, well-fed breeding stock
  • Select medium-sized eggs (avoid very large or small)
  • Discard cracked, dirty, or misshapen eggs
  • Use eggs less than 7 days old
  • Store at 12-15°C before incubation
  • 2. Temperature Management

  • Maintain 37.5°C (99.5°F) throughout incubation
  • Use a calibrated thermometer to verify your controller
  • Avoid opening the incubator unnecessarily
  • Ensure good air circulation for even heating
  • 3. Humidity Control

  • Days 1-17: 50-55% relative humidity
  • Days 18-21 (lockdown): 65-75% relative humidity
  • Use a hygrometer to monitor
  • Add warm water to humidity trays
  • 4. Egg Turning

  • Turn eggs at least 3 times daily (automatic is best)
  • Stop turning on day 18
  • Mark eggs with X and O to track turning
  • 5. Candling Schedule

  • Day 7: Remove clear (infertile) eggs
  • Day 14: Remove dead embryos
  • Day 18: Final check before lockdown
  • 6. Lockdown Protocol (Day 18-21)

  • Stop turning eggs
  • Increase humidity to 70%
  • Do NOT open the incubator
  • Maintain temperature
  • Wait 24-48 hours after first pip before assisting
  • Common Causes of Low Hatch Rate

  • Old or infertile eggs
  • Temperature fluctuations
  • Low humidity during hatching
  • Power outages without backup
  • Poor ventilation
  • Conclusion

    Consistency is key. A quality incubator with automatic turning and stable controls makes achieving 90%+ hatch rates much easier.

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