Letter | Published:

Cystine and Wool Production

Nature volume 130, page 473 (24 September 1932) | Download Citation

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Abstract

IN 1928 Marston and Brailsford Robertson emphasised the importance of cystine in the biology of the sheep.1 They considered that since a typical fodder protein such as that of lucerne contains 0.93 per cent of cystine and the keratin of wool fibre contains 13.1 per cent, cystine might well be a limiting factor in the production of wool. Three assumptions were made by them, namely, that the cystine content of pasture lies within certain limits, that cystine cannot be synthesised in the animal body, and that the cystine of wool fibre is relatively constant.

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References

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    and , Bull., 39, Commonwealth of Austral. Coun. Sci. and Ind. Res.1928.

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    J. Agric. Sci., 21, 806; 1931.

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    , Biochem. J., 24, 250; 1930.

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    and , NATURE, 129, 687; 1932.

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    , Austral. J. Exp. Biol. and Med. Sci., 9, 235; 1932.

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Author information

Affiliations

  1. Rowett Research Institute, Aberdeen.

    • A. H. H. FRASER
  2. (lately of the Wool Industries Research Association, Leeds).

    • J. A. FRASER ROBERTS

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DOI

https://doi.org/10.1038/130473a0

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