Created a sex-link but don't know which is a boy and which is a girl! Cream Legbar rooster X Black

Well, I sold all of the first batch of hybrid chicks off as "green egg layers" to someone who bought all of my Buff Orpingtons from the same hatch and wanted more chicks. The second batch went terribly so I only got 5 hybrid chicks. Out of that mix two were barred (and turned out to be pullets), one was solid cinnamon and turned out to be a cockerel and two had very Cream Legbar-like
looks.


The one with the blurred pattern and white head spot was indeed a cockerel and the striped one was indeed a pullet. As they mature the male looks like it has some Crele pattern with lots of Rhode Island Red type coloring. The pullet seems to be getting a "wild type" female pattern. Well, I "think" that wild-type pattern is auto-sexing (sex specific) and I'm really curious what the chances are that the auto-sexing genes would be passed on with a mating of these two. I found this recipe for making a legbar and it does seem that some color/pattern results are sex specific (in that second generation crossing the Black barred cockerel with the Brown Leghorn pullet) with the brown unbarred chicks being pullets. If you change that Brown Leghorn male in the first cross with a Rhode Island Red male then the Black Star would be that unbarred black pullet in the next generation.



I have no idea what the cross will be from the pair that I have kept to breed but they should lay green eggs and have a bit more meat than a Cream Legbar and if I get auto-sexing in the next generation then I think I'll keep them and if there are just a few that seem to have the auto-sexing genes then I'll probably pick a good cockerel and pullet out of the batch and see if I can get auto-sexing. If so, I like the name "Starbar". I'll add photos when all of their feathers come in.
 
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