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The effect of cow genotype on energy partitioning between milk and body tissue

Published online by Cambridge University Press:  20 November 2017

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

In an extensive review of energy metabolism of dairy cows, Agnew and Yan (2000) concluded that high genetic merit cows are capable of partitioning more energy into milk and less into body tissue when compared to low genetic merit cows. The objective of the present study was to use production data for a complete lactation to evaluate the effect of cow genotype on energy partitioning between milk and body tissue.

Type
Theatre Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2002 , 2002 , pp. 40
Copyright
Copyright © The British Society of Animal Science 2002

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References

Agnew, R. E. and Yan, T. 2000. The impact of recent research on energy feeding systems for dairy cattle. Livestock Production Science 66: 197–215.CrossRefGoogle Scholar
Agricultural and Food Research Council. 1990. Technical Committee on Responses to Nutrients, Report Number 5, Nutritive Requirements of Ruminant Animals: Energy. Nutrition Abstracts and Reviews (Series B) 60: 729–804.Google Scholar