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Lavender X White Orpington

post #1 of 9
Thread Starter 

Does anybody know what the outcome would be if you took a Lavender Orpington and crossed it with a White Orpington?

(Providing of course that the Lav. Orp. that you were using was a "true" Lavender that had no B/B/S genes. Like from one of the later generations that people have here on BYC.)

Would it produce a pale lavender bird? Or something entirely different?

post #2 of 9

Theoretically, if the Orpington has recessive white, they should produce all black offspring.

If the Orpington has dominant white, all offspring will be white.

I don't know which kind of white the Orpingtons have though.

post #3 of 9
Thread Starter 

If the Orpington has dominant white, all offspring will be white.

I don't know which kind of white the Orpingtons have though.


So if you were to determine the White Orps gene (how?) , found out that it was in fact dominant and then bred them with a Lav, no matter what they would produce white chicks?

Bummer.

post #4 of 9
Quote:
Originally Posted by urbanfarmboi 

If the Orpington has dominant white, all offspring will be white.

I don't know which kind of white the Orpingtons have though.


So if you were to determine the White Orps gene (how?) , found out that it was in fact dominant and then bred them with a Lav, no matter what they would produce white chicks?

Bummer.


Yes, hence the name dominant White

post #5 of 9
Thread Starter 

Gotcha.

There goes a hypothetical project.

Shows how much I know about genetics! HA! big_smile

post #6 of 9

Yes, you have to keep in mind lav is a dilution gene.  White is the absence of color.  Lavender cannot dilute white.  Dominant white would result in all white (with potential leakage).

Breeds: Lavender, Buff, Black and White Orpington & Tufted Rumpless Araucana (lavender, white and nonstandard colors)

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Breeds: Lavender, Buff, Black and White Orpington & Tufted Rumpless Araucana (lavender, white and nonstandard colors)

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post #7 of 9

Most likely your white Orp will be recessive white.

Recessive whites are not good to put into other colours because one rarely knows what is underneath.

Most often it is not the best plan to cross black or lavender to other colours if you want to maintain the colour. Crossing blacks & lavenders to other colours often loses melanisers (blackening genes) frequently causing colour leakage which is then rather difficult to get out of ones lines.


Edited by Krys109uk - 8/21/09 at 6:07am
post #8 of 9

I think the one thing left unanswered is that you cannot get a lavender offspring in one generation.  It takes two.

First generation cross will create splits.  The bird will carry one copy of lavender and one of not-lavender.  If you cross the split to a lavender, or two splits together you will get a percentage of lavender offspring.  (50% inthe first case, 25% in the 2nd)

Breeder & Exhibitor of fine silkies in recognized and project varieties.
adult and started pairs occasionally available;
   No eggs or chicks. 
Support your local poultry clubs, breed clubs, ABA & APA!

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Breeder & Exhibitor of fine silkies in recognized and project varieties.
adult and started pairs occasionally available;
   No eggs or chicks. 
Support your local poultry clubs, breed clubs, ABA & APA!

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post #9 of 9
Thread Starter 
Quote:
Originally Posted by hinkjc 

Yes, you have to keep in mind lav is a dilution gene.  White is the absence of color.  Lavender cannot dilute white.  Dominant white would result in all white (with potential leakage).


Like i said... there goes my hypothetical project.

However, hinkjc I would like to talk to you about possibly getting some of your Lavender stock this spring! big_smile If you could accommodate that would be awesome.

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