Incubation and Embryology - University of Illinois

Incubation Troubleshooting

Rough, congested or poorly healed navels.

Probable Cause Suggested Corrective Measure
High temperature or wide temperature variations.

Maintain proper temperature levels throughout incubation and hatching cycle.

Excessive humidity in hatcher after transfer.

Use less humidity first 24 to 36 hours after transfer.

Embryos infected prior to transfer or during hatching.

Set only clean, uncracked eggs. Check hatcher sanitation procedures. Make sure hatcher and hatch trays have been thoroughly cleaned, disinfected, after each hatch.

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