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Effects of dietary protein content and the amino acid profile of metabolisable protein on voluntary intake and milk production of dairy cows fed maize silage-based diets

Published online by Cambridge University Press:  23 November 2017

D S P Melo ,
A R J Cabrita ,
R J Dewhurst  and
A J M Fonseca
D S P Melo
Affiliation:
Centro de Estudos de Ciência Animal do Instituto de Ciências e Tecnologias Agrárias e Agro-Alimentares, Universidade do Porto, Vairão, Vila do Conde, Portugal
A R J Cabrita
Affiliation:
Centro de Estudos de Ciência Animal do Instituto de Ciências e Tecnologias Agrárias e Agro-Alimentares, Universidade do Porto, Vairão, Vila do Conde, Portugal
R J Dewhurst
Affiliation:
Institute of Grassland and Environmental Research, Aberystwyth, Ceredigion, United Kingdom
A J M Fonseca*
Affiliation:
Centro de Estudos de Ciência Animal do Instituto de Ciências e Tecnologias Agrárias e Agro-Alimentares, Universidade do Porto, Vairão, Vila do Conde, Portugal
*
Email: amira@mail.icav.up.pt
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Extract

The productive response of dairy cows to relatively high protein diets could be mediated, amongst other things, by provision of essential amino acids. Therefore, it may be possible to reduce the level of dietary protein (main source of N pollution) if the amino acid (AA) profile of metabolisable protein (MP) is considered in formulating diets. The objective of this study was to investigate the effects of both dietary crude protein (CP) content and AA profile of MP on productive responses of dairy cows fed maize silage-based diets.

Type
Theatre presentations
Information
Proceedings of the British Society of Animal Science , Volume 2006 , March 2006 , pp. 64
Copyright
Copyright © The American Society of International Law 2016

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References

Bauer, J.D., 1982. In Ladig, D. (Ed.), Clinical Laboratory Methods, ninth ed. C.V. Mosby Co., St. Louis, MO.Google Scholar