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The effect of season and of supplimentary feeding on the the rumen contents of African cattle grazing subtropical herbage:I Distribution of nitrogen and dry matter

Published online by Cambridge University Press:  27 March 2009

R. C. Elliott ,
W. D. C. Reed ,
S. H. W. Cmelik  and
J. H. Topps
R. C. Elliott
Affiliation:
Honderson Research Station, Mazoe, Southern Rhodesia
W. D. C. Reed
Affiliation:
Honderson Research Station, Mazoe, Southern Rhodesia
S. H. W. Cmelik
Affiliation:
Agricultural Research Council of Central Africa, Salisbury, Southern Rhodesia
J. H. Topps
Affiliation:
Depertment of Agriculture, University College of Rhodesia and Nyasaland, Salisbury, Southern Rhodesia
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Extract

1. Africander and Mashona steers, fitted with rumen cannulae, were used to study levels of various nitrogenous fractions and of dry matter in the rumen of cattle grazing on natural subtropical herbage throughout the year. Some steers received various concentrate foods in addition to veldt grazing during winter. During the summer rainy season, four steers, two of each breed, were under trial, while in the winter drought period two extra steers of each breed were added to the experiment. The eight steers were divided into four groups for the winter, one group received a protein-rich concentrate, another group received a carbohydraterich concentrate, a third group was given a mixture of the two concentrates, while the fourth group received no additional food.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 64 , Issue 3 , June 1965 , pp. 387 - 396
Copyright
Copyright © Cambridge University Press 1965

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References

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