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Effect of Growth Rate on Mineral Retention and Body Composition of Growing Lambs

Published online by Cambridge University Press:  22 November 2017

M Wan Zahari ,
J K Thompson  and
D Scott
M Wan Zahari
Affiliation:
School of Agriculture, 581 King Street Aberdeen AB9 1UD, Scotland
J K Thompson
Affiliation:
School of Agriculture, 581 King Street Aberdeen AB9 1UD, Scotland
D Scott
Affiliation:
Rowett Research Institute, Bucksburn Aberdeen AB2 9SB, Scotland
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Extract

The effects of plane of nutrition on the body composition of growing sheep are very apparent when animals are compared at the same age following different nutritional histories. These differences are, however, less obvious when animals of the same breed and sex are compared at the same body weight and at present there is some conjecture whether composition is affected by growth rate. This uncertainty is not limited to fat and protein but includes the bone and ash, fraction and the ash composition.

The primary objective of this trial was to study the effects of different growth rates achieved by feeding different amounts of the same concentrate diet on the composition of empty-body gain and on the retention of minerals by growing lambs. A secondary objective was to examine the effect of adding supplementary calcium carbonate to the basal diet at the fast rate of growth.

Type
Developments in Sheep Production
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1988 , March 1988 , pp. 102
Copyright
Copyright © The British Society of Animal Production 1988

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References

Black, J.L. 1983. In: Sheep Production, ed. Haresign, W., Butterworths, London.Google Scholar
Soeparno, and Lloyd Davies, H. 1987. Studies on the growth and carcass composition in Daldale wether lambs I. The effect of dietary energy concentrations and pasture species. Australian Journal of Agricultural Research 38: 403–415.Google Scholar
Thompson, J.K., Gelman, A.L. and Weddell, J.R. 1988. Mineral retentions and body composition of grazing lambs. Animal Production, 56 (In press).Google Scholar