For horses since the time of Hippocrates, it is customary to distinguish four main suits: redhead, gray, black, bay.
The remaining suits are considered to be derived from these four basic suits.
Recently, however, abroad it is customary to base the classification of stripes on genetics. American scientist Dr. Phillip Sponenberg (D. Phillip Sponenberg, ‘Equine Color Genetics’, 2003) singles out: black, bay, and red as the main stripes.
Monochrome or bicolor (plain). Continue reading