Suppressed (cryptic) tobianos


Before I get back to talking about Dun, I wanted to pass along the link to another recent study, “Crypto-tobiano horses in the Hucul breed“. I made a post several years ago about the presence of white markings on the faces of some tobianos (“Opening a Can of Worms“), and mentioned the primitive Hucul breed. This new paper, published in the Czech Journal of Animal Science, discusses the possibility of a separate modifier that serves to limit white patterning in tobianos. I have suspected for some time that this is also the case in the Icelandic, Shetland and Miniature Horse breeds, so I hope there may be renewed interest in further studies of this.

(To tie this back into the post from yesterday, note the usage of “white spotting” as a generic term in this paper.)

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