Colors
Chestnut mushroom
Chestnut mushroom is the result of a chestnut base coat diluted by mushroom.

Bay mushroom
Bay mushroom is the result of a bay base coat diluted by mushroom.

Gene
MFSD12 gene
The MFSD12 gene is responsible for the color mushroom in horses.

Presence in horses
The mushroom dilution can be found in Shetland Ponies (and, as a result, also rarely in Miniature Horses).
Learn while playing! Discover how genes shape colors and patterns in our realistic horse breeding game, Horse Reality
