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EquiGenes

Get to know horses, from coat colors to history

Learn how horse coat colors are inherited, explore possible foal coats and discover the beginnings of horse domestication.

Coat calculator

Describe the mare and stallion by their observed coats or complete genotype pairs. See which coats their foal could inherit, with explanations of what the percentages mean.

Try the calculator

Explore EquiGenes

Explore EquiGenes

Learn about coat colors and inheritance, explore possible foal coats, understand genetic health or discover the beginnings of horse domestication.

Close-up of the head of a brown-and-white horse

Understanding coat colors

From base colors to dilutions and white patterns, learn what makes up a coat, how it is inherited and what a DNA test can tell you.

Read the guide
Chestnut mare grazing beside a light-colored foal in a meadow

Coat calculator

Describe the mare and stallion by their observed coats or complete genotype pairs. See which coats their foal could inherit, with explanations of what the percentages mean.

Try the calculator
A person examining a horse’s foreleg in a stable

Genetic health

How can a healthy horse pass on an inherited condition? Explore inheritance, DNA testing and the connections between coat colors and health.

Explore genetic health
Three riders on horses in an open grassland

Domestication and expansion

Discover what archaeology and ancient DNA reveal about early horse breeding and the spread of domestic horses.

Read the introduction

Coming soon

More content on breeds, populations and equid history is in preparation.

Breeds and populations
An initial breed directory is available. Detailed profiles, population comparisons by country and genetic study summaries are in preparation.
Equid history
Articles on equid evolution and the roles of horses in travel, work, sport and culture.