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The effects of concentrate composition on silage intake and feeding behaviour of lactating dairy cattle offered a range of grass silages differing in intake characteristics

Published online by Cambridge University Press:  05 November 2021

T.W.J. Keady  and
C.S. Mayne
T.W.J. Keady
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co Down BT26 6DR, Northern Ireland
C.S. Mayne
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co Down BT26 6DR, Northern Ireland
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Extract

A previous study at this Institute (Keady and Mayne, 1997) indicated that concentrate energy source did not alter silage intake or feeding behaviour of lactating dairy cattle offered one of a diverse range of grass silages differing in fermentation and intake characteristics, but of similar digestibility. Digestibility is the most important variable in grass silages at farm level and also has a considerable influence on silage intake. The aim of the present study was to examine the effects of concentrate energy source and effective rumen degradable protein (ERDP):digestible undegradable protein (DUP) ratio on silage intake and feeding behaviour of lactating dairy cows offered a range of grass silages differing in digestibility and intake characteristics.

Type
Programme
Information
Proceedings of the British Society of Animal Science , Volume 1998 , 1998 , pp. 196
Copyright
Copyright © The British Society of Animal Science 1998

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References

Keady, T.W.J. and Mayne, C.S. 1997. The effects of concentrate energy source on feeding behaviour of lactating dairy cows offered a range of grass silages. Proceedings of the Irish Grassland and Animal Production Association Research Meeting, Dublin, pp. 311–312.Google Scholar