Which Ganado vacuno breeds come in Unicolor?

Club breed standards describe Unicolor for the Jersey y Pardo Suizo.

Ganado vacuno pattern

Unicolor

One color all over with no pattern or white: self in rabbits, cavies, rats and canaries; a tongue or hoof of one even color.

5 Ganado vacuno breeds list Unicolor. It is in a club standard for 2 breeds.

Breed	PDCA	BROWN SWISS USA
Jersey	Estándar (“with or without white markings”)	No ruling
Pardo Suizo	Estándar (“solid brown”)	Estándar (“solid Brown”)

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