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How to breed BEW
Topic Started: Oct 22 2015, 08:50 PM (290 Views)
Romanswife
New to the Addiction
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So I have a BEW buck, holland lop. Should I only breed him to BEW doe? Or are there other combinations? So new to this genetics deal. What would happen if I bred him to my sable point? Would they just be hideous?
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NeuBunny
Genetics Geek!
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If your goal is to get show bunnies (US ARBA standard), best to breed BEW only to BEW. Bred to any other color you will get NO BEW babies, and most of the babies will be 'vienna marked' (Vv is sometimes solid colored aka vienna carrier; but usually has a white blaze, sometimes other stray white marks, sometimes colored with blue eyes which is called vienna-marked) - Vienna-marked cannot be shown in any breed. If your goal is to breed for 'just pets', vienna-marked are very popular (not at all hideous, to the contrary, I think the bright blue eyes against a colored coat with a little white nose is adorable - but not showable). If you breed a BEW to a vienna-marked or vienna-carrier you get 50% BEW and 50% vienna-marked/carriers.

Like REW, BEW can hide the genes for any other color (except cc for REW). So the colors you get crossing to a sable point would depend entirely on what other genes the BEW is hiding. All you can say is that most of the kits will be vienna-marked.

Sable point = aaB-chl-D-ee VV
BEW = ---------- vv

- = unknown gene.





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sidd-says-gimme
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sidd says stay gold
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Breed BEW to other BEW or vienna marked bunnies. They say to avoid chocolate-factored rabbits and true shadeds (sable point, siamese sable, smoke pearl, ect) because it can affect the blue eyes.
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NeuBunny
Genetics Geek!
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Interesting -- do those add a ruby cast to the blue? (they do seem to turn blue-grey to a purplish color in smoke pearls and lilacs)
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sidd-says-gimme
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sidd says stay gold
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I'm unsure if this is true, but I've heard a lot of people very strongly say that colors with ruby cast (like chocolate-factored buns, shadeds, REWs) can add the ruby cast to the blue eyes. Since the blue eyes are supposed to be as vibrant a blue as possible, if this is the case then it would be best to avoid those colors.
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redbunny
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I breed blue eyed whites and had a steep learning curve. When I wanted to improve type, I mated a bew doe to an outstanding black ND. I expected to see heterozygous Vienna youngsters looking like odd marked black and white Dutch. This didn't happen. Most of the F1 are black with maybe a few white hairs rather like a poor champagne F1 cross. I might also get pure black with a tiny tiny white patch on one toe or on the nose. Very few look Dutch. I'd only ever mate bew to bew carrying BB, no chocolate and certainly no ch l or d genes. There's some one on here with the handle reh. She has a superb website and understanding of this.

For information, please take a look here:
http://northernbreeze.weebly.com/bew-genetics.html
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sidd-says-gimme
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sidd says stay gold
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Very interesting!
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redbunny
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This little doe had a black mother and bew father. She is typical of this painting. She could almost pass as a very weak silver. I used this cross to put some type into my bew ND. When this little girl was mated to a bew buck, she produced bew, kits like her and kits with a white blaze and maybe one shoulder. I've seen what the Vienna gene is meant to do giving Dutch like markings but never in my shed.

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NeuBunny
Genetics Geek!
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The nose tip is what I think of as a really common Vienna mark. The scattered white is new. Vienna is a very strange gene in how it expresses.
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