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The effect of inclusion of a range of supplementary feeds on milk yield and composition of grazing dairy cows

Published online by Cambridge University Press:  20 November 2017

S. J. Morrison ,
D. C. Patterson  and
D. J. Kilpatrick
S. J. Morrison*
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough BT26 6DR
D. C. Patterson
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough BT26 6DR
D. J. Kilpatrick
Affiliation:
Biometrics Division, Department of Agriculture and Rural Development, Newforge Lane, Belfast BT9 5PX
*
E-mail: s.sjm.morrison@talk21.com
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Extract

With increasing Holsteinisation of the dairy herd, the milk production potential of dairy cows has increased substantially over the past two decades. This development presents new challenges for managing dairy cows during grazing, particularly where the objective is to maximise the proportion of energy in the diet derived from forage (Mayne and Peyraud, 1996). The objective of the current study was to explore forage supplementation strategies to maintain high milk yields from grass and forage in dairy cows during the grazing season. A second objective of the study was to examine the effect of concentrates of contrasting degradability on milk production.

Type
Theatre Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2004 , 2004 , pp. 48
Copyright
Copyright © The British Society of Animal Science 2004

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References

Mayne, C. S. and Peyraud, J.L. 1996. Recent Advances in grassland utilisation under grazing and conservation. Grassland and Land Use Systems, Vol. 1 – 15-19 September 1996.Google Scholar