HHD 24S - Addressing Early Embryonic Death; Resolving Dead-in-Shell Eggs

(c) Interference among
males during mating
(c) Do not use too many
males; always rear
breeding males together;
erect temporary solid
partitions between
breeding pens or inside
lar e ens
(d) Damaged combs and
wattles among males
(d) See that housing is
comfortable and proper
drinking fountains are
provided for breedin ens
e Male is too old e Re lace old birds
Male is sterile Re lace with another
male
(g) Eggs kept too long
or under the wrong
conditions before
setting
(g) Do not keep
hatching eggs longer
than seven days; store
them in a cool
temperature (10-15.6
0
C) at relative humidity
around 75-
2
Blood
rings,
which
indicate
very early
embryonic
death
(a) Incubator
temperature too high or
low
(a) Check
thermometers,
thermostats and
electricity supply;
follow manufacturer's
instructions
(b) Incorrect
fumigation procedure
(b) Use the correct
amount of fumigant.
Do not fumigate
between
24 and 96 hours after
settin
c As in 1 c As in 1
3
Many
deadin-
shell
(a) As in 2(a)
(a) As in 2(a)
(b) Eggs not properly
turned
(b) Turn the eggs
regularly at least three
to five times a day;
always turn the eggs in