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Relationships between manure N output and animal and dietary factors in beef cattle

Published online by Cambridge University Press:  23 November 2017

T Yan ,
J P Frost ,
T W J Keady ,
R E Agnew  and
C S Mayne
T Yan*
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co Down, United Kingdom
J P Frost
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co Down, United Kingdom
T W J Keady
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co Down, United Kingdom
R E Agnew
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co Down, United Kingdom
C S Mayne
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co Down, United Kingdom
*
Email: tianhai.yan@dardni.gov.uk
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Extract

The Nitrates Directive has set a limit of 170 kg/hectare organic N (manure N) as the amount of livestock manure which may be applied to land each year. Consequently there is an increasing interest in finding approaches to mitigate manure N output in animal production. The objective of the present study was to use total diet digestibility data obtained at this Institute to develop prediction equations for manure N output in beef cattle.

Type
Theatre presentations
Information
Proceedings of the British Society of Animal Science , Volume 2006 , March 2006 , pp. 51
Copyright
Copyright © The American Society of International Law 2016

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