Talk:American White and American Creme Horse Registry

Pertinent source

Sturtevant AH (1912) A critical examination of recent studies on coat colour inheritance in horses. J Genet 2: 41–51. [1]

Mr W. P. Newell has supplied me with information about an interesting family of white horses. The ordinary white horse is of course merely an old faded-out gray, but this is a family of real whites. Mr Newell gave Professor W. E. Castle some information about these horses, on the basis of which Professor Castle considered the colour to be an extreme spotted condition dominant to the ordinary colours.[1] I have now some further information, which makes the case an interesting one. These horses are said to be somewhat variable in colour. To use my informant's words: "The colour of skin is white or so-called pink, usually with a few small dark specks in skin. Some have a great many dark spots in skin. These latter usually have a few dark stripes in hoofs; otherwise the hoofs are almost invariably white. Those that do not have dark specks in skin usually have glass or watch eyes, otherwise dark eyes....I have one colt coming one year old that is pure white, not a coloured speck on him, not a coloured hair on him, and with glass eyes." The term "glass eye" means a white eye. Therefore the colt described above is almost an albino in appearance. However, his sire is one of the dark-eyed somewhat spotted whites, his dam being a brown Trotter. Since "glass" eyes occur not infrequently in pigmented horses it seems probable that this white-eyed albino (?) is really an extreme case of spotting, plus an entirely independent "glass" eye. Mr Newell writes that white mated to white gives about 50% white to 50% pigmented. He reports only three matings of white to white. The results of these were, one white, one roan, and one gray.

This quote pertains to the American White Horse. The Mr W. P. Newell is the original owner of "Old King", founder of this breed. This quote gives us insight into his background and breeding. Countercanter (talk) 00:13, 2 April 2009 (UTC)

Connection to "White horse"

It should also be noted that the stallion whose progeny ratios were used for Pulos & Hutt's 1969 paper on homozygous lethal white spotting (available online [2]) was Snow King, a grandson of Old King. Countercanter (talk) 00:34, 2 April 2009 (UTC)

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