Dongxiang or Lushi - Page 2
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That would be interesting to see what would come from an araucana based bird and a Chinese blue egg breed. From the current research available the gene injected by the retrovirus actually activates the blue egg gene. Although both breeds essentially have the same activation code added to their DNA, the location of this code is different. This means that the South American and Asian blue egg chickens developed the ability to lay blue eggs independently.
This could mean that a hybrid would essentially have an enhanced blue egg ability... or because the code is just code that activates the already existing gene, it could be that there is no gain in blue colour.