GREYS and GREY GREENS
Because the Grey is dominant, it is quite easy to produce them in quantity. In the earlier days of the variety, they were mated to Light Greens to improve size and type, and as Grey is dominant to the wild type this gave in the first generation Grey Greens. Greys of the light, medium and dark shades (named Grey blues, Grey Cobalts and Grey Mauves) were mated to Skyblues, etc., and they still are, although there is no objection to pairing Grey Green to Grey or Grey to Grey, providing the birds suit each other as to pedigree, shape, etc. Generally speaking, I prefer the light and medium Greys and Grey Greens to the dark shade; in fact, I do not know of anyone who is deliberately trying to produce Dark Greys. The darker shades are not much if at all, handicapped in competition. If the breeder wishes to avoid breeding Dark Greys he must take care not to put together two birds which can have any youngsters possessing the dark factor in double dose. A few examples are: -- Medium or Dark Grey x Mauve, Medium or Dark Olive, Medium or Dark Grey X Dark Green, Medium or Dark Grey X Cobalt, Medium or Dark Grey X Medium, or Dark Grey. The practice followed by many Grey breeders is whether to mate light Grey (occasionally Medium Grey) to Light Grey, or Light Grey (very occasionally Medium Grey) to Skyblue. All this, of course, applies equally to Greys and Grey Greens. The mating of Light Grey to Blue is good, and by this method one can build up a family of related Greys and Skyblues, and breed winners of both varieties. But if the owner has a good strain of Skyblues, it might be advisable to continue to treat this as a separate line altogether. Thus he will have two families of Blues, (a) his ordinary Skyblue family, and (b) his Grey-Skyblue family. When founding his line of Greys and Skyblues linked therewith, there is no reason why he should not select some birds from line "(a)" for crossing but it might be disadvantageous to him to mate their youngsters back into his ordinary Skyblue line. This system just described can be employed equally well in Grey Green production, Light Greens and/or Light Greens/blue being utilised as the colour cross. There is no objection to pairing Grey Green or Grey Green/blue to Grey. Actually Greys and Grey Greens are now so good in show properties that there is no reason why a family should not consist of these two varieties only, probably improved if Opaline Greys and Opaline Grey Greens are also utilised.
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