Which Лошадь breeds come in В яблоках?

Club breed standards describe В яблоках for the Першерон.

Лошадь pattern

В яблоках

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

4 Лошадь breeds list В яблоках. It is in a club standard for 1 breed.

Breed	SHPF
Першерон	По стандарту (“gris fortement pommelé”)

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