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Response of beef steers to diets based on big-bale silage supplemented with molassed sugar beet feed and two levels of fishmeal

Published online by Cambridge University Press:  24 November 2017

Y Rouzbehan ,
J H Topps ,
H Galbraith  and
J A Rooke
Y Rouzbehan
Affiliation:
University of Aberdeen, 581 King Street, Aberdeen AB9 1UD
J H Topps
Affiliation:
Scottish Agricultural College, 581 King Street, Aberdeen AB9 1UD
H Galbraith
Affiliation:
University of Aberdeen, 581 King Street, Aberdeen AB9 1UD
J A Rooke
Affiliation:
Scottish Agricultural College, 581 King Street, Aberdeen AB9 1UD
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Extract

Earlier work (Rouzbehan et al, 1991) has shown that supplementation of baled silage with molassed sugar beet feed (MSBF, 60 g/kg fresh weight) improved live weight gain (LUG) and feed conversion efficiency (FCE) in sheep. It has been established that the protein in silage is not utilised as effectively by beef cattle as the protein in non-fermented forages (Thomas, 1982). Responses in the performance and carcass composition of finishing steers and heifers when silage-based diets have been supplemented with protein have proved to be variable. This trial was therefore carried out to examine the effects of feeding two levels of a protein supplement, fishmeal, in addition to MSBF, on the performance of beef steers fed big-bale silage ad libitum and to assess the nutritional value of such supplementation.

Type
Beef
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1992 , March 1992 , pp. 198
Copyright
Copyright © The British Society of Animal Production 1992

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References

Rouzbehan, Y., Galbraith, H., Topps, J.H., Weddell, J.R., Fenlon, D.R. and Perrott, J.G. 1991. Animal Production 52, 585 (Abstract).Google Scholar
Thomas, P.C. 1982. The utilization of conserved forage. In forage protein and Ruminant Animal Production (ed Thompson, D.J., Beever, D.E. and Gunn, R.G.), Occasional publication of the British Society of Animal Production, No. 6 pp.67–76.Google Scholar