Are Bresse chicks supposed to be born with blue legs or this will be obtined later?

[CSKA]

Hello:

Are Bresse chicks supposed to be born with blue legs or this is a trait that will be obtained later as they grow?

 

[Rose the Legbar]

Many blue legged chicken breeds have their legs start out as a pinkish yellow color then change to blue in the next few weeks.

 

[CSKA]

Many blue legged chicken breeds have their legs start out as a pinkish yellow color then change to blue in the next few weeks.

thank you