Which Cattle breeds come in Solid?

Club breed standards describe Solid for the Brown Swiss and Jersey.

Cattle pattern

Solid

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

5 Cattle breeds list Solid. It is in a club standard for 2 breeds.

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

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