Primitive markings#Dorsal stripe

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As a dorsal stripe or Aalst frost a mostly dark compared to the rest coloring drawing in the fur of many mammals is called. It runs as a narrow line along the spine. The term also generally a dark dorsal stripe.

A familiar example is Skunks. The dorsal stripe but also occurs in many farm and domestic animals such as donkeys, horses, cattle, goats, dogs, cats or rodents, partly on some fur and color variations.

In horses, the dorsal stripe is caused by the Falbgen; the gene Smutty can generate a pseudo- dorsal stripe.