Low average temperature. Low humidity at hatching time. Excessive high temperature for short period. Hatching too early, with bloody navels Temperature too high. Temperature too low.
Temperature is too high.
Cripple chicks Abnormalities in development. Poor nutrition of hens. Incubator temperature too high. For more information, contact your University of Maine Cooperative Extension county office . Cooperative Extension and other agencies of the U.S.D.A. provide equal opportunities in programs and employment.