Which Horse breeds come in Greying?

Club breed standards describe Greying for the Criollo and Tennessee Walking Horse.

Horse pattern

Greying

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

32 Horse breeds list Greying. It is in a club standard for 2 breeds.

Breed	ACCC	ABCCC	TWHBEA
Criollo	Standard (“se aceptan todos los pelajes”)	Standard (“Tordilha”)	No ruling
Tennessee Walking Horse	No ruling	No ruling	Standard (“Grey”)

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