If you breed your red roan with a blue what color foal will get?

This is a bit tricky to answer without knowing what kind of "blue" horse you're talking about! Here's why:

* Roan: Roan is a coat pattern, not a color. Red roan means the horse has a base coat of red (chestnut) with white hairs mixed in.

* Blue: "Blue" could refer to several different horse colors:

* Blue roan: This is a roan pattern with a base coat of blue (grey) with white hairs mixed in.

* Gray: A gray horse starts out another color (like bay or chestnut) and then gets whiter over time, eventually becoming "blue" or almost white.

* Blue-eyed: A horse can have blue eyes even if their coat isn't "blue."

Here are some possibilities for the foal color:

* Red roan x blue roan: This could produce a variety of roans, including red roan, blue roan, bay roan, and even black roan if both parents carry the genes for those base colors.

* Red roan x gray: The foal's color will depend on how much gray the gray parent is carrying and how dominant the red genes are. The foal could be gray, roan, or even red (if the gray parent is only carrying a small amount of gray).

* Red roan x blue-eyed: The foal's color will be determined by the base coat color of the non-roan parent, but the foal could inherit blue eyes from the blue-eyed parent.

To know for sure what color the foal will be, you need to know the complete genotype (genetic makeup) of both parents.

It's best to talk to an experienced horse breeder or veterinarian to get the most accurate information based on your horses' specific lineage.