Unfortunately there's not much, if any info out there about breeding Guineas or info about breeding for certain colors. All of what I have learned over the years is mainly based on my own personal experiences from breeding my own birds, hatching hundreds and hundreds of keets from their eggs (close to 2000 keets), knowing which genes are dominant and recessive and understanding how those genes work in different breedings/match-ups. I'm still learning and have a lot more to learn, but I can typically tell people what should or can hatch... but there's always hidden recessives that show up in the hatches too, especially when dealing with some of the more recessive varieties/colors. The fact that Guineas can carry so many hidden genes can really vary the outcomes of the hatches tho. I don't mind surprises, except when I am trying to hatch something specific, lol.I wish I could find info on colors. Like if you breed this to this you get this kinda thing. What colors produce what. I have searched the internet but not really anything that I have found.
Hmm, if your male Guinea is obsessed with your Cornish Hen, then maybe he's not breeding any of your Guinea Hens at all and a Rooster has stepped up to the plate with the White Hen, lol. Can't wait to find out what you hatch.