Carotenoid discrimination by the avian embryo: a lesson from wild birds.

  title={Carotenoid discrimination by the avian embryo: a lesson from wild birds.},
  author={Peter F Surai and Brian K. Speake and Nicholas R. Wood and Jonathan D Blount and Gary R. Bortolotti and Nicholas H. C. Sparks},
  journal={Comparative biochemistry and physiology. Part B, Biochemistry & molecular biology},
  volume={128 4},
The concentrations (microg/g wet yolk) of total carotenoids in eggs of the common moorhen (Gallinula chloropus), American coot (Fulica americana) and lesser black-backed gull (Larus fuscus), collected in the wild, were 47.5, 131.0 and 71.6, respectively. In contrast to data for eggs of the domestic chicken, beta-carotene was a significant component in the yolks of these three wild species, forming 25-29% by wt. of the total carotenoids present. The concentration of total carotenoids in the… CONTINUE READING

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