Which 山羊 breeds come in 双色?

Club breed standards describe 双色 for the 晕厥山羊和波尔山羊.

山羊 pattern

双色

Two colors in clearly separate areas: in cats and dogs usually a color with white; in koi and goldfish two colors on the body.

2 山羊 breeds list 双色. It is in a club standard for 2 breeds.

Breed	MYOTONIC GR	ABGA
晕厥山羊	符合标准 (“All colors are acceptable, all combinations, and all patterns or markings”)	No ruling
波尔山羊传统型	No ruling	符合标准 (“traditional (white bodied with a red head)”)