romewhip
Well-Known Member
She actually looks like a first year roan to me, but I'd be real tempted to get the clippers out and clip a couple little patches to see what's underneath, LOL!
Some of the terms are different, true, but the laws of inheritance have not changed. Australia was a great testing ground for color inheritance and proved certain falsehoods observed to be true in the US, especially with sabino inheritance. The reason Australia is/was a good color inheritance laboratory for horses is, they had a limited number of types and generations of offspring could be observed that didn't follow the current understanding of inheritance at the time of writing the book. Taffy/champagne are just names, what in particular do you think is outdated? I believe it was mentioned the eyelashes are not grey, an atypical grey is probably still something different. Its like chestnuts have four genetic subtypes, but being recessive always breed chestnuts, but...there still might be a genetically odd chestnut. And different chestnuts crossed for palomino for example, have different results. There are a lot of misconceptions about color and inheritance even with the breed associations. Personally, one of my mares had a genetically impossible foal and I had to DNA the mare, stallion and foal to get him registered. He got registered all right after the DNA testing but the dun phenotype with a mask, leg barring, stripe down his back, even a divided mane like a fjord with frosting on both sides didn't match the buckskin genotype he had to be according to the registry. His mother was a bay, his father a smutty palomino. He HAD to be a buckskin so that's what he is registered as. I really hope some genetic testing takes place. We should encourage people to post color variants and what is known about their parentage. The registries have the most data to work with but often make it hard to register an atypical foal, possibly skewing the facts. Hopefully one day it will get cheaper to genetically test and breeders will grit their teeth and follow through with all the hoops to jump through to keep their horses registered. As individuals we may only see a couple hundred horses in a lifetime and very few individual types. I probably have personally only have seen maybe a 24 roan foals. Most were QH's and none looked like this filly. This site is great in that we can exchange information.Er no, sorry, Violet, I have to disagree there.So many mistakes and outdated (now) things in the Gower book that it is really just good for the pictures as illustrations. Taffy is an Aus/NZ word not really used by the rest of the world. If you want to learn about colour and colour genetics try The Color Forum Forums | Equine Color Genetics you will be welcomed and learn a lot.
I don't think she is a mutation at all, I think she is probably going to be either a straightforward Roan, or a Roan going Grey- which could account for the atypicality (is that even a word??) of it.
Of course mutations are rare, I just mentioned that as a possibility. I said the laws of inheritance have not changed, identifying genotype based on outward appearance and "labeling" is the problem. I guess I've been privileged to see some really rare mutations in horses like brindle so I wanted to jump to the unlikely possibility of mutation. I just love the oddball and recently bought a really ugly, possibly abused mini. Day one she showed up with a bruised eye and visibly shaking. Her hooves are spread, her coat is faded black sprinkled with bot eggs and her fight/fight reactions are turned up full blast. Anyway, she has a white muzzle with black dots like a mule or pangare/mealy markings with a lighter belly and feet. She has all the appaloosa traits, (striped hooves, white sclera, etc). She also has one white rump spot. I bought her because she was interesting (to me) as I have not seen pangare and appy traits together or whatever she is. I'm looking forward to getting her in tip top condition as any color horse looks great when they are sleek and healthy. Thanks for the suggestion, I will look at rabbitsfizz.Violet-genetic mutations are incredibly rare and should not be even thought of until every reasonable answer has been exhausted. In this case, there are plenty of reasonable answers to go through. These are fuzzy pics and often the longer hair grows in a bit....odd. Our understanding of genetics grows every day because it is science and in science we learn new things every day. Equine color and patterns genetics have really taken off the past 5 years and there are only a few different sources that are accurate. The link that rabbitsfizz posted is a great place to learn-they are with the times.
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