14. Trouble Shooting Failures With Egg Incubation
incubation of eggs fails, indications are often available that a
well trained professional uses for diagnosing the causes for
failure. The information listed below includes the more common
symptoms for incubation failures, the causes for each symptom,
and the recommended corrective measures
Symptoms of incubation/breeder management problems include:
Clear eggs with no visible embryonic development.
Blood rings in incubated eggs.
Many dead embryos at an early stage.
Chicks fully formed, but dead without pipping.
Pipped eggs, but died without hatching.
Early hatching (may have
Late hatching or not hatching uniformly.
Embryos sticking or adhering to shell.
Crippled and malformed chicks.
Abnormal, weak, or small chicks.
Chicks with labored breathing.
Large, soft-bodied mushy chicks;
dead on trays; bad odor.
Rough or unhealed navels on chicks
hatch; eggs do not
starting to pip until 21st day or later
Draggy hatch, some chicks early
Short down on chicks.
Excessive yellow down color.