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Factual, precise, useful: thanks from our people too. Questo articolo in inglese è preciso, didascalico e utile. Sul sito ci sono altre cose interessanti, vedremo di tenerlo d’occhio.
Other Patterns of White Hairs in Horses
Another interesting post about horse’s colours. In inglese, ma un post interessante come quello sul roano, questa volta a proposito del bianco sul manto dei cavalli
This week will be a bit of a catch-all, covering a variety of patterns of white hairs that are neither grey, classic roan, face and leg markings, or associated with white spotting. (Varnish roan, for instance, is a leopard gene pattern, and sabino and dominant white may also produce roaning as part of the pattern.) The genetics of none are well understood. Following Sponenberg, I will list and describe them here. Sorry for the lack of photos, but I haven’t even seen all of these patterns myself.
The first, frosty, may be a variant of classic roan, as it is found in the same breeds. In this pattern, the roaning is most pronounced over bony areas such as the hips, and roaning may affect the mane, tail and head as well as the body. “Squaw manes” and “squaw tails” with white hair mixed in often indicate the frosty pattern…
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Horse Bite (gif)
Senza parole (e senza cervello)
The Roan Gene in Horses
This is pretty interesting for our readers… Piuttosto interessante per i nostri lettori. Cercheremo di tradurlo presto.
Roan, like grey, is a pattern gene which sprinkles white hair over an otherwise normally pigmented animal. However, the pattern of white hair, the progression with age and the response to scarring are quite different from grey.
It should be pointed out that horsemen use the word “roan” quite loosely. In Thoroughbreds, for instance, it is used as a synonym for grey, particularly rose grey. There are several forms of roan covered by this loose usage, but the one discussed here is classic roan, which is due to the dominant roan gene. Frosty roan, varnish roan, roaned, rabicano and the roaning caused by some white spotting patterns will be discussed separately.
In classic roan the head, legs, mane and tail remain fully pigmented but there is an admixture of white hairs on the body of the horse. Foals are born roan or shed their foal coat to roan, and…
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Rancho Comancho 