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Depth of colour in chinchillas
Topic Started: Feb 14 2016, 03:05 PM (176 Views)
redbunny
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I've a line of chinchilla ND which goes back maybe nine years. All started from an outstanding show buck which was very successful on the table and cost a great deal and a very typey doe from a second show breeder. Both have what I'd call a dark chinchilla coat. I've line bred these and only ever brought in one more similarly coloured doe from a third breeder. Here's the issue. Most youngsters have coats like their parents. However, now and again these lighter coated animals appear. They almost have a brownish tinge. In all other respects (type and temperament) they are true to the line. Any thoughts would be gratefully received. Thank you.

Posted Image
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sidd-says-gimme
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sidd says stay gold
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Might be a sable chinchilla - a shaded version of chin.
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redbunny
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Sidd do you have a possible gene sequence for that? I'd be very interested in looking into that. Do you think either of these colours would make a difference on the show table? I have to say that I prefer the dark version.
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sidd-says-gimme
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I unfortunately don't know sequences, sorry. I'm sure Neubunny can chime in soon! It's just a chinchilla with the chl shaded gene though.

At least here, most breeds don't accept sable chinchilla.
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redbunny
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Still a very useful piece of information. I'll have a think about clarifying this with a special mating....trouble is I've nothing really that looks typey compatible if you know what I mean.
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NeuBunny
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Sable chin (aka 'shagouti')= A-B-chl-D-E-

There's also a 'seal' version A-B-chlchlD-E- which are very hard to identify because they look pretty much like regular chins (like seals, they don't really 'shade') except a bit faded (as a seal is faded compared to a black - and as with seals, some of them are really dark, some more obviously brownish).

If one of your originals was hiding a chl gene (chdchl) and the others were all purebred chin (chdchd) linebreeding will cause the occassional seal chin to pop out. You won't get the 'shagouti' version if the line isn't hiding the more recessive genes (shaded are chlch or chlc).
Edited by NeuBunny, Feb 18 2016, 09:46 AM.
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sidd-says-gimme
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sidd says stay gold
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Do you have a picture of the entire bunny? :)
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redbunny
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I'll get a photo.
I've never heard of a shagouti before. Thanks for the genome.
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NeuBunny
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lol - 'shagouti' is shorthand for 'shaded agouti' ... usually a pejorative.
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wildrabbits
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Could the dark chinchilla coloring pictured be linked to black chinchilla genotype with wideband and/or satin genes instead of cchl??

http://www.rabbitcolors.info/int/en/entry/show.html?id=496

http://www.rabbitcolors.info/int/en/entry/show.html?id=818

I am still trying to identify why I have had a couple lops that went from a chinchilla color to a pearl color with age...??? I think I posted pics of the brother but just did a trade for his sister who had the same color change occur...?? Thinking AacchdcchlEe was the cause..shouldn't cchdcchl be lighter in color than cchdcchd????
Edited by wildrabbits, Mar 7 2016, 04:54 PM.
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