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Lactational responses to energy and protein supplies during the dry period in dairy cows

Published online by Cambridge University Press:  20 November 2017

G. Jaurena ,
J. M. Moorby ,
W. J. Fisher  and
D. W. R. Davies
G. Jaurena
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystwyth SY23 3EB, UK
J. M. Moorby
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystwyth SY23 3EB, UK
W. J. Fisher
Affiliation:
Institute of Grassland and Environmental Research, Trawsgoed Farm, Trawsgoed, Aberystwyth SY23 4LL, UK
D. W. R. Davies
Affiliation:
Institute of Grassland and Environmental Research, Trawsgoed Farm, Trawsgoed, Aberystwyth SY23 4LL, UK
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Extract

Nutritional manipulation during the dry period can alter subsequent animal responses to feeding in terms of milk yield and composition. Previous research has shown interesting differences in milk production and composition due to energy or protein supply in the dry period (Moorby et al., 1996). The objective of this experiment was to test the interaction between energy and protein supplies during the dry period on subsequent milk production and composition. Effects on live weight gains and condition scores are reported in a separate summary (Jaurena et al., 2001).

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2001 , 2001 , pp. 203
Copyright
Copyright © The British Society of Animal Science 2001

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References

Jaurena, G., Moorby, J. M., Fisher, W. J. and Davies, D. W. R. 2001. Live weight, condition score and Longissimus dorsi responses to energy and protein supplies during the dry period in dairy cows. This meeting.CrossRefGoogle Scholar
Moorby, J. M., Dewhurst, R. J. and Marsden, S. 1996. Effect of increasing digestible undegraded protein supply to dairy cows in late gestation on the yield and composition of milk during the subsequent lactation. Animal Science 63: 201–213.CrossRefGoogle Scholar