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Effect of dietary phosphorus level on energy metabolism and phosphorus utilisation in first lactation dairy cows

Published online by Cambridge University Press:  23 November 2017

C.P. Ferris
Affiliation:
Agri-Food and Biosciences Institute, Hillsborough, United Kingdom
M.G. Porter
Affiliation:
Agri-Food and Biosciences Institute, Hillsborough, United Kingdom
D.J. Kilpatrick
Affiliation:
Agri-Food and Biosciences Institute, Newforge, United Kingdom
D.C. Patterson
Affiliation:
Agri-Food and Biosciences Institute, Hillsborough, United Kingdom
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Extract

Reducing the phosphorus (P) content of dairy cow diets has the potential to help reduce P losses. However, P is an essential nutrient, and has many roles within the body, while in addition, rumen microbes have a requirement for P (NRC, 2001). Thus, if dietary P levels are inadequate, this could have a negative effect on rumen function, nutrient utilisation and energy metabolism. An experiment was undertaken to examine the effect on energy metabolism and P utilisation of offering dairy cows diets containing reduced levels of dietary P.

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Theatre Presentations
Copyright
Copyright © The British Society of Animal Science 2008

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References

National Research Council (NRC) (2001) : Nutrient Requirements of Dairy Cattle, Seventh Revised Edition, National Academy Press, Washington DC.Google ScholarPubMed

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