Which Асп breeds come in Абраш?

Club breed standards describe Абраш for the Першерон.

Асп pattern

Абраш

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

۴ Асп breeds list Абраш. It is in a club standard for ۱ breed.

Breed	SHPF
Першерон	Стандартӣ (“gris fortement pommelé”)

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