Which Undulat breeds come in Skifergrå?

Club breed standards describe Skifergrå for the Undulat.

Undulat color

Skifergrå

A dark blue-gray: slate legs and beaks in poultry, slate turkeys, slate blue cavies, slate-gray nose leather, and the slate-gray skin of hairless Xoloitzcuintli and Peruvian Inca Orchids.

2 Undulat breeds list Skifergrå. It is in a club standard for 2 breeds.

Breeds whose standards accept Skifergrå

Breed	WBO	ABS	COM	BS UK
Undulat	Standard (“Slate (Blue)”)	Standard (“Slate”)	Standard (“Slates”)	Standard (“SLATE (BLUE)”)
UndulatSkifer	Standard (“Slate (Blue)”)	Standard (“Slate”)	Standard (“Slates”)	Standard (“SLATE (BLUE)”)

See all Undulat colors, patterns and markings