Many dead germs.
|Probable Cause||Suggested Corrective Measure|
| Temperature too high or too low in incubator.
| Check accuracy of thermometer. Operate incubator
at proper temperature
| Lack of ventilation.
| Provide adequate ventilation of the incubator
room and proper openings of the incubator ventilators. Do not recirculate
foul air. Supply 100 percent fresh, tempered air.
| Improper turning of eggs.
|Turn eggs hourly, or, at least, at regular intervals eight times daily.|