Which 馬 breeds come in 青毛?

Club breed standards describe 青毛 for the 克里奧羅馬及田納西走馬.

馬 pattern

青毛

Progressive whitening with age: a horse born colored turns gray and finally white, often dappled or flea-bitten on the way.

32 馬 breeds list 青毛. It is in a club standard for 2 breeds.

Breed	ACCC	ABCCC	TWHBEA
克里奧羅馬	符合標準 (“se aceptan todos los pelajes”)	符合標準 (“Tordilha”)	No ruling
田納西走馬	No ruling	No ruling	符合標準 (“Grey”)

How 青毛 can appear or change over an animal's life.