Problems That May Be Encountered During Incubation - Borotto REAL Series Instruction Manual

13 - Problems that may be encountered during incubation

PROBLEM
Clear eggs. There are no
blood vessels (through
candling)
Blood rings visible in
candling
Many dead embryos or
chicks that die before
pipping
The eggs explode
Chicks with lower limb
malformations
POSSIBLE CAUSE
Non-fecundated eggs due to too many
or too few males, old or infertile
Egg storage was too long before
incubation
The temperature in the egg storage
room was too high or low
Inadequate egg care before incubation
Low egg collection frequency
Breeders are inbred
Old eggs
Aged parents
Nutritional deficiencies
Eggs have travelled long distances
Incorrect humidity during incubation
The incubator has been opened several
times during hatching
The incubator has been operating in
excessively hot or cold premises
Bacterial contamination from a dirty
incubator
Eggs with high bacterial contamination
Other causes
The eggs are dirty
Incorrect humidity during incubation
Inbred breeders
SUGGESTION
Only use young, zestful and unrelated
males and not exceeding 3 years of age
Do not store the eggs longer than 7 days
Ensure the temperature in the egg
storage room is between 14°C and 18°C
Check proper egg storage
Collect the eggs more often throughout
the day
The breeders must not be related
(the male MUST NOT be the female's
brother)
Store the eggs for 7 days at most
The parents must not be older than 3
years
Feed parents with adequate feed (use
parents feed)
Incubate local eggs
Comply with the information provided
on filling the water trays
Open once a day at most to remove
properly dry chicks
Ensure the room temperature is
between 20°C and 25°C
Remove scale and disinfect the
incubator before use, refer to Chapter
15
Ensure the eggs are properly clean
READ CHAPTER 8, section regarding
"BOROTTO RECOMMENDS"
ADHERE TO CHAPTERS 8 and
9 – 9.2 – 9.3 – 9.4 – 11 – 14 -14.1
Incubate clean eggs
Adhere to the information provided
regarding humidity management in
table 9.3.
The parents must not be related
Page 16 of 20
Rev 09