The cats born from the mating of silver gradient and blue and white depend on the stability of the genes. They may be herringbone British shorthair, silver tabby British shorthair, pure white British shorthair, or British shortblue cats. When breeding cats, the most suitable ones are It is best to choose cats of the same breed of the opposite sex for mating, so that the cats born will have better appearance and will not suffer from physical diseases.