Which Ngựa breeds come in Đốm vòng?

Club breed standards describe Đốm vòng for the Percheron.

Ngựa pattern

Đốm vòng

Rings of darker hair around lighter centers over the body, as in dapple gray horses. The Dachshund's dapple is the merle pattern.

4 Ngựa breeds list Đốm vòng. It is in a club standard for 1 breeds.

Breed	SHPF
Percheron	Đạt chuẩn (“gris fortement pommelé”)

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