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Examining the Metabolisable Protein system at ideal protein:energy ratios in dairy cows

Published online by Cambridge University Press:  05 November 2021

J A Metcalf ,
R J Mansbridge ,
J S Blake ,
J R Newbold  and
J D Oldham
J A Metcalf
Affiliation:
ADAS Bridgets, Martyr Worthy, Winchester, Hampshire, SO21 1AP, England
R J Mansbridge
Affiliation:
ADAS Bridgets, Martyr Worthy, Winchester, Hampshire, SO21 1AP, England
J S Blake
Affiliation:
ADAS Bridgets, Martyr Worthy, Winchester, Hampshire, SO21 1AP, England
J R Newbold
Affiliation:
BOCM PAULS Ltd, 47 Key Street, Ipswich, IP4 1BX, England
J D Oldham
Affiliation:
BOCM PAULS Ltd, 47 Key Street, Ipswich, IP4 1BX, England
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Extract

Previous work at ADAS Bridgets aimed at evaluating the Metabolisable Protein (MP) system (AFRC 1992) has indicated that the efficiency of MP use for milk production may be too high, or that the amount of MP required for maintenance may be too low (Newbold et al 1994). This experiment was designed to indicate the true efficiency of MP use for milk protein production when metabolisable energy (ME) and MP supplies were balanced.

Type
Programme
Information
Proceedings of the British Society of Animal Science , Volume 1997 , 1997 , pp. 83
Copyright
Copyright © British Society of Animal Science 1997

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References

AFRC 1992. Technical Committee on Responses to Nutrients, Report No. 9. Nutritive Requirements of Ruminant Animals: Protein. Nutr. Abs & Rev., Series B 62 787–835 CAB International, Wallingford, Oxon.Google Scholar
Newbold, J. R., Cottrill, B. R., Mansbridge, R. J., and Blake, J. S. 1994. The effect of metabolizable protein on intake of grass silage and milk protein yield in dairy cows. Animal Production. 58 455A Google Scholar