When they get the injections from a rooster's comb, the rooster does have to be killed. They can get rid of a rooster's comb without killing it but it has to be on the first day that it is born.
The thing on a rooster's head is called a comb.
A rooster
It is called a comb.
A rooster's comb is mainly used for regulation of body heat.
A rooster's comb is a red, fleshy growth on the top of its head.
It's called a rose comb usually a rooster breed from Spain.
If they have a comb
The thing on a rooster's head is called a comb.
A rooster
it is on top of their heads
It is called a comb.
Red.
A rooster's comb is mainly used for regulation of body heat.
"With the zigzag comb"
A Leghorn rooster is a large white bird with a red comb.
The prepositional phrase in the sentence is "with the zigzag comb," which provides additional information about the White Leghorn rooster.
"With the zigzag comb"