The Sooty, or Smutty, Gene
Sooty palomino mustang from Salt Wells Creek HMA in Wyoming
The Smutty, or Sooty genetic modifier causes some black hairs to become mixed into body coat, sometimes creating dappling or brindle striping.
Sooty Palomino owned by Kristi Cantor
Sooty Palomino Appaloosa colt at Palomino Valley in August, 2001
COUNTERSHADING is a form of the Sooty / Smutty gene which mimics the dorsal stripe associated with Dun:
right: true dun dorsal stripe
|BRINDLE results when Sootiness is grouped by the Brindle gene into irregular "drippy" or "tiger" stripes|
Brindle horse the owned by Charpilloz family
For more about Brindle, click here:
|SOOTINESS IS OFTEN SEASONAL|
Much sooty coloring comes and goes with the seasons. Many buckskins produce dun-like dorsal shading and facial and shoulder darkening during springtime. But it fades away with summer.
Benny in his Springtime Sooty Phase
Benny in summer after the sootiness sheds away
This Internet Adoption horse from Wyoming is about as "Sooty" as they come!
The Base Colors: Red Black
The Dominant Genes: Agouti (Bay) Appaloosa Black Brindle Grey Pangare (Mealy) Roan Roan-like Variations Sooty/Smutty The Pinto Patterns: Tobiano The Overo Group: Frame Sabino Splash
The Dilution Genes (Partial Dominants): Champagne Creme Dun Silver (Silver Dapples)
The Recessive Genes: Red Flaxen
Other Colors & Issues: White Overo Lethal White