Pipped eggs, but
died without
hatching
Increase humidity during the hatching period.
Increase ventilation rate in incubator and/or
room, but avoid drafts.
Improper setting of eggs
causing malpositioned
embryos
Set eggs with small end down. Turn eggs
properly but avoid turning within 3 days of
hatching.
Early hatching (may
have bloody navels)
High incubation
temperatures
Follow recommended incubation temperatures.
Check equipment for proper function. Guard
against electrical surges or high incubator room
temperatures.
Store eggs at 60 Degrees F. and 60% R.H. Turn at
least 3 times daily.
Late hatching or not
hatching uniformly
Low incubation
temperatures
Follow recommended incubation temperatures.
Old or improperly stored
eggs
Gather eggs frequently, cool immediately and
store eggs properly. Do not store longer than 7
days.
Sticky embryos
(embryos may be
smeared with egg
contents)
High average incubation
humidity
Follow recommended incubation humidity. Check
size of air cell as an indicator for adjusting humidity
condition.
Low incubation
temperature
Follow recommended temperature settings.
Avoid cross breeding. May need to secure different
breeding stock.
Increase ventilation rate in incubator and/or room,
but avoid drafts.
Improper fumigation of eggs
Fumigate eggs by following the procedure
carefully.
Embryos sticking or
adhering to shell
Low incubation humidity
(especially during
hatching)
Increase incubation humidity by increasing water
evaporation. Embryos dried too much.
Excessive ventilation rate
Reduce ventilation rate but maintain minimum air
exchange to prevent suffocation of embryos.
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