Reference for chicken genetics--suggestions

Discussion in 'Exhibition, Genetics, & Breeding to the SOP' started by JohnLongIsland, Jan 18, 2019.

  1. JohnLongIsland

    JohnLongIsland Chirping

    21
    36
    54
    Mar 26, 2017
    I'm amazed at how knowledgeable many of the folks on here are. I'm guessing many of you guys are self trained/hobbyists? I'm actually a chemist by training. Not a dummy--but a complete dummy with genetics!
    I've been reading and reading on the web about breeding, sex links... and it seems even less clear now than when I started (that's how chemistry went too--it takes a lot of knowledge to understand how little you actually know :) )
    I found this page on some sex linkages, but have some further questions. for example, a cross like a RIR x light Sussex would produce offspring with the black stripped away, leaving the red. Would a similar thing work with another black bird, like maybe a BC Marans?
    And in the wyandotte crosses--you would basically strip away black by crossing it with a silver bird, like the sussex again?

    What about adding colors and markings back in? Say the RIRxSS, crossed again with a speckled sussex...

    Too many questions to ask here. And after 12 years of college, where every problem starts with "hmm, I'd better read...." what are good references? It's a fascinating subject, and even with solid genetic knowledge, it can be a messy, partly luck/chance driven thing. Cool stuff, no doubt about it.
    I'm hoping to do a little hack-genetics project, using good layers, crossed into dark egg layers, and everything as cold hardy as possible. Initially I thought to not worry about it. A RIRxBR should be the same deal as a BRxRIR, shouldn't it? Err--no. Not even close! There is a potential to do some really cool stuff--like the Aloha Chicken project. I'd love to do something similar, but for Wisconsin, rather than Arizona. Rhode-Island-Red-X-Light-Sussex.jpg Stripping-out-black-pigment.jpg Stripping-out-black-pigment2.jpg Stripping-out-red-pigment.jpg


    it. Rhode-Island-Red-X-Light-Sussex.jpg Stripping-out-black-pigment.jpg Stripping-out-red-pigment.jpg Stripping-out-black-pigment2.jpg
     
    Brahmachicken240 likes this.
  2. Cyprus

    Cyprus Master of the 'never give up' attitude

    9,418
    38,500
    1,047
    Jan 19, 2018
    SE Wisconsin
    My Coop
    Hello again! Are you still interested in eggs from my flock?

    Genetics makes my head spin sometimss, even though I taught myself to a pretty deep level.

    Kippenjungle is a fantastic source as well as some breed clubs which breed to specific colors. :)
     
    Brahmachicken240 likes this.
  3. Notaneggspurt

    Notaneggspurt Songster

    400
    839
    186
    May 17, 2016
    TN
    My Coop
    There are a lots of resources available on the pure science of color genetics. In looking at the formulas be sure you don't skip the part on how to properly choose breeding stock.

    Some very good points were brought up in this thread:
    https://www.backyardchickens.com/threads/standard-of-perfection.623070/
    One of the stories he shared was regarding someone who was breeding for egg color. In concentrating efforts on one aspect alone some very important things were missed by the breeder. Another story I found very interesting was someone's project to breed a specific coloring in to a broody line.

    The color calculators will give you the input and out put formulas but won't tell you which defects to look for and not breed.

    You'll find a few really great people on here that can tell you exactly what breed male to pair what breed female to for X amount of generations to get a chicken that looks like "this or that". You'll also find great people that can tell you what characteristics you really want in your breeding stock.

    So I guess short story long and to steal someone else's quote, you can't paint the barn until it's built.
     
  4. MokiYoki

    MokiYoki Chirping

    46
    43
    69
    Oct 4, 2015
    Brisbane, Australia
    I have "Genetics of Chicken Colours" and "Genetics of Chicken Extremes" by Sigrid van Dort and the breed specific books are worth a read as well as they go into more detail of specific genes and their variable expressions. "An Introduction to Colour Forms of the Domestic Fowl" by Brian Reeder is also good and Brian Reeder also has a blog where he posts some of his knowledge.
    Also if you are good at gaining encyclopaedic knowledge
    http://sellers.kippenjungle.nl/page3.html
    Is great to study! Ive learned a lot from just that table. But the rest of their site is also very helpful.
    http://www.edelras.nl/chickengenetics/default.html
    This one is also very good it shows a lot of images of actual chickens with the genes mentioned rather than aproximated drawings. It also goes into the genetics of some defects and other health problems.
    Good luck hope you enjoy these new reads!
     
  5. Notaneggspurt

    Notaneggspurt Songster

    400
    839
    186
    May 17, 2016
    TN
    My Coop
    What flavor of chemist are you @JohnLongIsland ? Career choices versus passionate interest has always fascinated me. What was it that peaked your interest in chickens initially?
     

BackYard Chickens is proudly sponsored by: