WilTec 52016, Operation Manual, Page: 8 / 14

© by WilTec Wildanger Technik GmbH Item 52016 Page 8
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Broken egg-
shells
(b) Eggs not turned properly
(b) Turn eggs frequently, at least 4
–
5 times a day; always turn them into oppo-
site direction.
(c) Deficient feeding if high death rate on
days 10 and 14
(c) Check feeding.
(d) Ventilation of the incubator faulty (d) Increase air flow by normal means.
(e) Infectious diseases
(e) Only use eggs from healthy stocks;
check hygiene measures.
4
Eggs which
will not hatch
(a) Insufficient humidity inside incubator
(a) Increase evaporation surface with wa-
ter or sprays.
(b) Too high a humidity at too early a
stage (b) Check humidity temperature measure-
ments.
(c) Problems with the food (c) Check feeding.
5
(a) Too early
a hatching (a) Too high a temperature inside incuba-
tor
(a) (b) (c) Make sure property of tempera-
ture regulation or adjust it properly. (b) Too late a
hatching (b) Too low a temperature inside incuba-
tor
(c) Sticky
chicks
(c) Temperature inside incubator proba-
bly too high
6
Deformed
chicks
(a) Too high a temperature inside incuba-
tor
(a) See 2 (a).
(b) Too low a temperature inside incuba-
tor
(a) See 2 (a).
(c) Eggs turned improperly
(c) See 3 (b); ensure to insert eggs with
wider part first.
7
Chicks with
straddled
legs Breeding inlay too slippery/smooth
Use wire inlay or cover slippery/smooth
ground with e.g., sackcloth.
8
Weak chicks
(a) Incubator or hatchery overheated (a) See 5.
(b) Use of small eggs (b) Only use eggs of average size.
Small chicks (c) Too low a humidity inside incubator (c) See 4.
Heavily
breathing
chicks
(d) Too high a humidity inside incubator (d) See 4.
(e) Possible infectious disease
(e) Bring chicks to a veterinary surgeon for
diagnosis.
(f) Lower temperature during incubation
time.
(f) See 2 (a).
Weak chicks
(g) Ventilation of incubators too low (g) See 3 (d).
(h) Omphalitis (navel infection)
(h) Clean and disinfect incubator as well
as entire equipment.
9
Irregular
hatching
Eggs too different in size and age
Set eggs at least once a week, never keep
them for longer than ten to twelve days be-
fore breeding them, only breed average
sized eggs.
Thoroughly read the instructions
to obtain best hatching
results.