Which Конь breeds come in У яблыках?

Club breed standards describe У яблыках for the Percheron.

Конь pattern

У яблыках

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

4 Конь breeds list У яблыках. It is in a club standard for 1 breed.

Breed	SHPF
Percheron	Па стандарце (“gris fortement pommelé”)

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