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The effect of quality and level of protein on the performance of dairy cattle of differing genetic merits

Published online by Cambridge University Press:  05 November 2021

I.M. Carrick ,
D.C. Patterson ,
F.J. Gordon  and
C.S. Mayne
I.M. Carrick
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co. Down BT26 6DR
D.C. Patterson
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co. Down BT26 6DR
F.J. Gordon
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co. Down BT26 6DR
C.S. Mayne
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co. Down BT26 6DR
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Extract

Providing adequate protein nutrition for high yielding dairy cows is essential if their milk production potential is to be achieved. However, oversupply of protein has detrimental effects on biological efficiency as well as having a negative impact on the environment due to greater excretion of nitrogen in animal wastes. The present experiment was conducted to investigate the response to protein concentration and degradability in the diet by dairy cows of differing genetic merit (GM).

Type
Dairy
Information
Proceedings of the British Society of Animal Science , Volume 1996 , March 1996 , pp. 83
Copyright
Copyright © The British Society of Animal Science 1996

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