Colour, laying capacity etc..
Rhode Island Red X ISA Browns
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The offspring will be mostly red; some will have white flecking or white patches on them. They will be excellent layers, although likely not quite as good as your first generation Isa Brown hens. Also unlike first generation Isa Browns (one of a number of labels under which some hatcheries market their Red Sex Links), you will not be able to tell their gender by color.