How many days is used for incubation of an egg to release chick
-
A.
21 -
B.
22 -
C.
20 -
D.
23
Correct Answer: Option A
Explanation
On the 21st day of incubation the chick finishes its escape from the shell. The initial break in the shell is made by the egg tooth. This is referred to as external pipping
There is an explanation video available below.