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The History of Cream Legbars and Avian Genetics

By Rachel V. Herschman

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Bred At Cambridge University

  • Bred by Professor R.C. Punnett in the 1930s.
  • One of the first autosexing breeds.
  • They lay blue/green eggs.
  • They have a crest.
  • They have cream hackle feathers.

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Professor R.C. Punnett

  • Most recognized for the creation of the “Punnett Square”.
  • Originally went to Cambridge to become a medical student but instead graduated with a degree in zoology.
  • Inspired the Hardy-Weinberg Equation that calculates how population affects genetic inheritance.
    • Connects Mendelism to statistics.

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The Punnett Square

BB

bb

Bb

25% - Gold Laced

50% - Blue Laced

25% - Splash

Barnevelders

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Avian Sex Chromosomes

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Barring on the Feathers of Barred Plymouth Rocks

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Black Sex Linked Chickens

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Breed Makeup

Barred Plymouth Rock

Brown Leghorn

Gold Legbar

White Leghorn

Gold Legbar

Gold Legbar

Araucana

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Cream Legbar

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Autosexing

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Egg Color

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Sources

http://www.twomoonfarms.com/Swedish-Flower-Hens-Salmon-Faverolles.html

https://www.ncbi.nlm.nih.gov/pubmed/9354761

https://www.sciencedirect.com/science/article/pii/B0122270800013847

https://www.omlet.us/breeds/chickens/gold_legbar/

https://poultrykeeper.com/chicken-breeds/legbar-chickens/

http://www.dnaftb.org/5/bio.html

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