In order to produce a silver snow, you need at the very least two snow carrier parents and one parent has to be silver.
A silver snow is thus cscs I- (Silver Lynx). or cscb I- (Silver Mink) or cbcb I- (Silver Sepia).
Until a DNA test is available for Silver then it will be extremely difficult to differentiate some " normal" snows from Silver snows.
There is not a huge amount of difference in some cats.
I know one snow breeder who feels that the Silver influence tends to wash out the colour in snows, but I have no personal experience.
Breeding them is not challenging if you know the genetics, however I feel that many breeders are concentrating more on developing and improving the basic colours they have, rather than chasing "newer" colours just for the sake of it.
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