I wanted to add photos for clarification of what I was talking about with the single dose and the double dose of the barring gene. Please remember, the double dose for barring is what makes the male Barred Rock appear so much lighter than the female of the same breed.
Sex-Link male (single dose barring):
Production Barred Rock male (double dose barring):
With exhibition birds...there is no possible way that a sex-link male can be confused with a barred rock male:
Sex-Link male (single dose barring):
Production Barred Rock male (double dose barring):
With exhibition birds...there is no possible way that a sex-link male can be confused with a barred rock male:
