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The effect of silage characteristics and level of concentrate on intake, substitution rate, and milk constituent output

Published online by Cambridge University Press:  24 November 2017

R.D. Baker
Affiliation:
Institute of Grassland and Environmental Research, Hurley, Maidenhead, Berkshire SL6 5LR
K. Aston
Affiliation:
Institute of Grassland and Environmental Research, Hurley, Maidenhead, Berkshire SL6 5LR
C. Thomas
Affiliation:
Institute of Grassland and Environmental Research, Hurley, Maidenhead, Berkshire SL6 5LR West of Scotland College of Agriculture, Auchincruive, Ayr, Scotland KA6 5HW
S.R. Daley
Affiliation:
Institute of Grassland and Environmental Research, Hurley, Maidenhead, Berkshire SL6 5LR
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Extract

The profitable management of milk production in relation to quota would be greatly aided by an ability to predict responses in milk constituent output to changes in feeding. One pre-requisite for doing so is a knowledge of substitution rates between feeds. The trials described here were the first in a series to aid the development of a mathematical model embracing the inter-relationships between forage quality and type, concentrate level and type, and milk outputs. The objective was to explore further the impact of silage type and quality and a wide range of concentrate level on substitution rate and milk constituent output.

Type
Forage Utilisation
Copyright
Copyright © The British Society of Animal Production 1991

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