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Thread: YellowXChocolate=Blacks (???)

  1. #1
    Junior Member BWCR's Avatar
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    Default YellowXChocolate=Blacks (???)

    I recently bred a yellow male of mine to a chocolate female of mine. The combination produced 4 black puppies. Was I surprised! Considering I was expecting yellows and chocolates for the most part. I am posting this for someone to help me understand the factors. Any info or links will be greatly appreciated.
    Lord help me to be the person my dog thinks I am.

    Mike Hudman
    Black Water Creek Retrievers
    www.blackwatercreekretrievers.com

  2. #2
    Senior Member afdahl's Avatar
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    Were those four puppies the entire litter?

    Black is expected when breeding chocolate to properly pigmented yellow (i.e. yellow with a black nose).

    To get chocolate, both parents have to be chocolate factored. In this case, your yellow would have to carry the "b" allele, and you would get half black, half chocolate on average.

    To get yellow, both parents have to be yellow factored. In this case, your chocolate would have to carry the "e" allele, and you would get half black, half yellow, on average.

    If you bred a yellow that carried chocolate to a chocolate that carried yellow, you would expect 1/4 dudleys (yellow with brown nose), 1/4 standard yellow, 1/4 chocolate, and 1/4 black, on average.

    If you bred a chocolate that didn't carry yellow to a yellow that didn't carry chocolate, all puppies would be black. In any breeding, if one parent doesn't carry the recessive allele, the recessive trait is not expected to be expressed in the offspring. That goes for EIC, CNM, PRA, and color.

    Amy Dahl

  3. #3
    Senior Member bakbay's Avatar
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    There are a number of places to check for color inheritance in Labs...one that I like is http://www.vetgen.com/chromagene-coat-color-a.html
    Bruce Bachert Bakbay Labradors
    beb@bakbay.com www.bakbay.com
    Creedmoor, TX (near Austin)

  4. #4
    Senior Member forhair's Avatar
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    Now that's a brainiac!

  5. #5
    Senior Member afdahl's Avatar
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    Or you can go here http://oakhillkennel.com/library/color.html
    It's an article I wrote for the Retriever Journal in 1998.

    Amy Dahl

  6. #6
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    If you are a visual person, this site is great:

    http://www.blueknightlabs.com/color/coatcolor.html

  7. #7
    Senior Member Nicole's Avatar
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    The color genetics in our breed are so simple compared to most... it really is something you should understand BEFORE breeding. I agree that the blueknights site is very user friendly.

  8. #8
    Senior Member runnindawgz's Avatar
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    Quote Originally Posted by Nicole View Post
    The color genetics in our breed are so simple compared to most... it really is something you should understand BEFORE breeding. I agree that the blueknights site is very user friendly.
    Very nicely said Nicole.
    Danielle R. Pellicci
    http://www.blackFootkennels.com
    Home of:
    SPICE, MH (11) CD RA NA (OA2) NAJ
    (FC AFC “Cori” X Malli QAA)
    FEATHER, MH QAA
    (FC AFC “Kicker” X “Spice” MH CD RA NA NAJ)
    PENNY, CD BN SH (RN2)
    (FC AFC CAFC “Copper” X “Faith” MH QAA)
    CAPPY
    (2XNAFC FC AFC “Ram” X “Cree”)
    HALO
    (FC AFC “Kicker” X“Spice” MH CD RA NA NAJ)
    TORCH
    (HRCH “Ticket” MH X“Penny” CD BN SH)
    &
    RIP: Rhumbline’s Guinness is Good, JH... Miss you every day "Big Man"

  9. #9
    Senior Member Mark L's Avatar
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    Just call them "Dark Chocolates". You can list them for sale with the Silver Labs.

    Sorry, just kidding. It looks like you already have the people in the know giving you good info. Congrats on the pups thought.

    Mark
    Mark and Peyton's Touchdown Pass JH

  10. #10
    Senior Member forhair's Avatar
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    Thanks, Amy. Your article is quite good.

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