The #1 Reason Your Chicks Die Before Hatching (And How to Fix It!)

Hatching eggs is exciting but frustrating when your chicks develop inside the egg but never hatch. 😩 You wait for 21 days, only to find fully formed chicks that never make it out—what went wrong?

The truth is, most failed hatches happen because of hidden mistakes that people don’t even realize they’re making! If you’ve ever had a poor hatch rate, keep reading because I’m going to expose the biggest mistakes that kill your chicks before they hatch—and how to fix them!
By following these expert tips, you can boost your hatch rate to 90% or more! Let’s dive in. 🚀🐣

The #1 Reason Your Chicks Die Before Hatching (And How to Fix It!)

🔥 1. Wrong Temperature Kills More Chicks Than You Think!

Did you know that just 1°F too high or too low can completely ruin your hatch? Temperature control is the #1 most important factor in hatching success!

If your incubator is:
⚠️ Too hot (above 102°F) – Chicks develop too quickly and die before hatching.
⚠️ Too cold (below 97°F) – Chicks grow too slowly, become weak, and fail to hatch.

Fix It: Always use a high-quality digital thermometer (not just the one that comes with the incubator). Keep temperature at:

  • 99.5°F (37.5°C) for forced air incubators
  • 101°F (38.3°C) for still air incubators

Pro Tip: Place a second thermometer inside your incubator to ensure accuracy!


💦 2. Wrong Humidity = Shrink-Wrapped or Drowned Chicks!

Humidity is the second most critical factor after temperature. If it’s wrong, your chicks either dry out inside the shell or drown before hatching!

💧 Too Low Humidity (<45%) – The inner membrane becomes too tough, and the chick gets stuck inside, unable to break out.
💦 Too High Humidity (>75%) – Excess moisture drowns the chick before it can hatch.

Fix It:

  • Keep humidity at 45-50% during incubation.
  • Raise it to 65-75% from Day 18 (lockdown period) until hatching.

Pro Tip: Use a digital hygrometer (not just the incubator's display) to track humidity accurately!


🌀 3. You’re Not Turning the Eggs Enough!

If you don’t turn your eggs often, the embryo sticks to the shell, causing deformities or death before hatching.

Fix It:

  • Turn eggs 3-5 times daily (at least every 8 hours).
  • If using an automatic egg turner, make sure it works properly!

Stop turning eggs on Day 18 to let the chick position itself for hatching.


🦠 4. Deadly Bacteria Inside the Incubator! (Hidden Killer!)

Many people forget that an incubator is the perfect place for bacteria to grow—warm, humid, and full of organic material (like eggs).

If bacteria get inside an egg, the chick will die before hatching!

Fix It:

  • Sanitize your incubator before every hatch! Use a mild bleach solution or white vinegar to clean it thoroughly.
  • NEVER wash eggs with water! It removes the protective “bloom” coating, allowing bacteria to enter.
  • Keep hands clean and dry before handling eggs!


5. DO NOT Open the Incubator During Hatch! (Biggest Mistake!)

Many people can’t resist opening the incubator when they hear chirping or see movement inside the eggs. DON’T DO IT!

Every time you open the incubator, humidity drops suddenly, and chicks get shrink-wrapped inside their shell—trapped and unable to break out!

Fix It: From Day 18 until all chicks have hatched, NEVER open the incubator!


🔥 6. Poor Ventilation = Suffocated Chicks!

Did you know chicks breathe through the eggshell? As they grow, they need more oxygen. If the incubator isn’t ventilated properly, chicks suffocate before hatching!

Fix It:

  • Keep ventilation holes open throughout incubation.
  • Avoid overcrowding eggs—this blocks airflow and reduces oxygen levels.


🔍 7. Are Your Eggs Even Fertile?

A common beginner mistake is trying to hatch infertile eggs and waiting 21 days for nothing!

Fix It:

  • Candle your eggs on Day 7 and Day 14 – If you see blood vessels and movement, it’s fertile. If the egg is clear, toss it!


🛑 8. Incubating Bad Eggs! (NEVER Use These!)

Not all eggs are good for hatching. Some eggs are too old, cracked, or misshapen, leading to weak or dead chicks.

Fix It:

  • Use fresh eggs (less than 7 days old) for best hatch rates.
  • Avoid dirty, cracked, or misshapen eggs.


9. Hatching Takes Time – DON’T Rush It!

Many people panic when chicks take too long to hatch. Some hatch on Day 20, while others may need until Day 22!

Fix It: Be patient! As long as the chick is alive and moving, let nature take its course!


🎯 10. The Ultimate Secret to a 95%+ Hatch Rate!

If you follow these expert tips, you can boost your hatch rate to 90% or more!

Keep temperature stable (99.5°F - 101°F)
Maintain proper humidity (45-50% incubation, 65-75% hatching)
Turn eggs 3-5 times daily
NEVER open the incubator after Day 18!
Candle eggs on Day 7 & 14 to remove infertile ones
Keep your incubator clean and ventilated


🚀 Your Turn! What’s Your Biggest Hatching Struggle?

Have you ever had eggs that developed but didn’t hatch? What happened? Drop a comment below! Let’s chat and solve your hatching problems together!

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