HHD 24S - Troubleshooting Hatching Failures; Causes of Malformed and Spraddling Chicks

the reverse direction
each time
(c) Breeding stocks'
nutrition is deficient if
deaths are high in
days 10 and 14
(c) Check that feeding
is sound
(d) Incubator's
ventilation faulty
(d) Increase
ventilation by normal
means
(e) Infectious diseases
(e) Use eggs only from
healthy stock; check
that hatchery hygiene
is sound and carried
out regularly
4
Piped
eggs
failing to
hatch
(a) Insufficient
moisture in the
incubator
(a) Increase the
evaporating surface of
water or the sprays
(b) Too much moisture
at earlier sta es
(b) Check wet-bulb
readings
c Nutrition roblem c Check flock feedin
5
(a)
Hatching
too soon
(a) Incubator's
temperature too hi h
(a) (b) (c) Ensure the
temperature regulating
gear is working and set
at the correct
operating temperature
when the control
switches off
(b)
Hatching
too late
(b) Incubator's
temperature too low
(c) Sticky
chicks
(c) Incubator's
temperature robabl
too hi h
6
Malformed
chicks
(a) Incubator's
temperature too high
(a) As in 2(a)
(b) Incubator's
temperature too low
(b) As in 2(a)
(c) Eggs set
incorrectly or not
ro erl turned after
settin
(c) As in 3(b); also,
take care to set the e s
broad-end u
7
Spraddling
chicks
Hatching trays too
smooth
use wire-meshed tray
floors or cover
slippery floors with