It's a cockerel.
The "strain" if you will is definitely a sex-link. However HIS coloring is caused by a breeding of two sex-links together. When two red sex-links (male and female) are bred together, that is the coloration you get.
The "strain" if you will is definitely a sex-link. However HIS coloring is caused by a breeding of two sex-links together. When two red sex-links (male and female) are bred together, that is the coloration you get.