Causes:

  • Low average humidity.
  • Inadequate ventilation.
  • Excessive high temperature for a short period.
  • Low average temperature.

Correction:

  • Maintain proper humidity levels throughout incubation cycle.
  • Provide adequate ventilation of the incubator room and proper openings of the incubator ventilators.
  • Guard against temperature surge.
  • Maintain proper temperature throughout incubation cycle.