Abstract
IN 1955, among 76,542 chicks hatched from the cross, Brown Leghorn sire by Light Sussex dam, there appeared two males which, instead of having the expected white (silver) coloured down of the Light Sussex, were brown. One was sold before its genetic importance was realized. The other cock when adult was light brown in colour, being of a similar hue to that of Brown Leghorn pullets, with a few black feathers on the wings and a black tail. The black and bright brown colours which are found on the bodies of Brown Leghorn cocks were absent. The bird was strong and vigorous, and lived until killed in 1958.
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References
Hutt, F. B., “Genetics of the Fowl” (McGraw-Hill, New York, 1949).
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WERRET, W., CANDY, A., KING, J. et al. Semi-Albino: a Third Sex-linked Allelomorph of Silver and Gold in the Fowl. Nature 184, 480 (1959). https://doi.org/10.1038/184480a0
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DOI: https://doi.org/10.1038/184480a0
