I first noticed 2 weeks ago a BR Rooster with these black spots on comb, was out of town for a week and today noticed all 5 of my BR roosters have splotches and spots of deep black on there combs and waddles and on some it is worse then others. Now my RIR and LH Roosters that live with them don't seem to have any of this on them. The BR's were born end of May this year and the LH and RIR were born month later. Can anyone help with this issue please?
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