1. nicalandia

    Using a French Black copper Marans Roo on other breeds (isa brown, RIR) to increase egg production but keep dark eggs? Is it possible?

    As they should. Anyone who says other wise does not understan how egg color genetics work.
  2. nicalandia

    Using a French Black copper Marans Roo on other breeds (isa brown, RIR) to increase egg production but keep dark eggs? Is it possible?

    Its Possible, depending on the Quality of the Maran Sire The F1 hens(Maran/ISA Brown) will lay a lot of Very dark eggs.
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