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Use of fish heal to reduce compound feed usage in high yielding dairy herds

Published online by Cambridge University Press:  21 November 2017

I.H. Pike ,
E.L. Miller  and
M. Clark
I.H. Pike
Affiliation:
International Association of Fish Meal Manufacturers, Hoval House, Orchard Parade, Mutton Lane, Potters Bar EN6 3AR
E.L. Miller
Affiliation:
Department of Applied Biology, University of Cambridge, Pembroke Street, Cambridge CB2 3DX
M. Clark
Affiliation:
Department of Animal Physiology and Nutrition, The University, Leeds LS2 9JT
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Extract

Compound feeds are frequently used at a fixed rate of 0.36kg to 0.40kg/kg milk produced, in addition to forage and other home-grown feeds. Such linear scales take no account of the curvilinear response of milk yield to concentrate feed intake, nor of the substitution effect of concentrate feed upon forage intake. In high-yielding herds, the use of fixed rate scales can result in the provision of concentrate feeds in excess of 10kg/d. An experiment was designed to evaluate whether milk yields could be maintained while reducing concentrate feed intake, and therefore placing greater reliance on forage intake, and including sugar-beet pulp as a source of highly digestible but non-starchy concentrate, and fish meal as a source of high quality undegraded dietary protein

Type
Winter Feeding of Dairy Cows
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1984 , March 1984 , pp. 4
Copyright
Copyright © The British Society of Animal Production 1984

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