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Sulphur and cystine incorporation into rumen microbial protein

Published online by Cambridge University Press:  09 March 2007

N. P. McMeniman ,
D. Ben-Ghedalia  and
R. Elliott
N. P. McMeniman
Affiliation:
Department of Agricultural Biochemistry, University of Newcastle upon Tyne, Newcastle upon Tyne NE1 7RU
D. Ben-Ghedalia
Affiliation:
Department of Agricultural Biochemistry, University of Newcastle upon Tyne, Newcastle upon Tyne NE1 7RU
R. Elliott
Affiliation:
Department of Agricultural Biochemistry, University of Newcastle upon Tyne, Newcastle upon Tyne NE1 7RU
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Abstract

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1. In three series of experiments, Na235SO4 was infused into the rumen of sheep consuming a variety of diets. The specific activity of the sulphur in the rumen H2S pool, rumen bacteria and of the S in bacterial cystine were determined.

2. The results showed that, depending upon the diet, the proportion of total sulphur and cystine sulphur in rumen bacteria originating in the rumen H2S pool could be as low as 0.557 and 0.280 respectively.

Type
Short Papers
Information
British Journal of Nutrition , Volume 36 , Issue 3 , November 1976 , pp. 571 - 574
Copyright
Copyright © The Nutrition Society 1976

References

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