Sex link chickens

[chickenlover96]

ok i am sure that every chicken lover knows about the red sex link and black sexl ink well was wondering what two breeds make them i was thinking leghorn and road island red for the red ones but no idea for the black ones plz help

 

[coppahed]

barred/cuckoo hen and non barred Roo. Australorp Roo and barred rock hens. Search "sex-link" for more in depth info. Some fascanating info out there.