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The influence of parity on lactation curve coefficients in dairy cows

Published online by Cambridge University Press:  05 November 2021

N. C. Friggens ,
G. C. Emmans  and
R. F. Veerkamp
G. C. Emmans
Affiliation:
Animal Biology Division, SAC, West Mains Road, Edinburgh, EH9 3JG, United Kingdom
R. F. Veerkamp
Affiliation:
ID-DLO, PO Box 65, 8200 AB Lelystad, The Netherlands
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Extract

There are marked differences between heifers, 2nd parity and older cows in their lactation curves, even when they are offered high quality rations ad libitum. These differences indicate different energy requirements, and thus should be taken into account when formulating rations for the different parities. The objective of this study was to quantify how the pattern of milk production relative to time from calving is affected by parity for incorporation into energy requirement predictions.

Type
Programme
Information
Proceedings of the British Society of Animal Science , Volume 1998 , 1998 , pp. 9
Copyright
Copyright © The British Society of Animal Science 1998

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Footnotes

1

Present address: Danish Institute of Agricultural Science, Research Centre Foulum, DK-8830 Tjele

References

Oldham, J. D. and Emmans, G. C. 1989. Prediction of responses to required nutrients in dairy cows. J. Dairy. Sci. 72 3212–3229.10.3168/jds.S0022-0302(89)79480-7CrossRefGoogle ScholarPubMed
Veerkamp, R. F., Simm, G. and Oldham, J. D. 1995. Genotype x Environment Intaeractions: experience from Langhill. Brit. Soc. Anim. Sci. Occ. Publ. 19 59–66.Google Scholar