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Supplementation with rumen inert fat of late pregnant dairy cows modifies the relationship between body condition and plasma leptin concentration

Published online by Cambridge University Press:  20 November 2017

G. Jaurena ,
J. M. Moorby  and
N.F.G. Beck
G. Jaurena*
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddam, Aberystwyth SY23 3EB, UK.
J. M. Moorby
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddam, Aberystwyth SY23 3EB, UK.
N.F.G. Beck
Affiliation:
Institute of Rural Studies, University of Wales, Aberystwyth SY23 3AL, UK;
*
E-mail: gustavo.jaurena@bbsrc.ac.uk
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Extract

The association among feeding, body fat reserves, plasma leptin concentration and intake has been indicated in many reports, however the characteristics of these associations in late pregnant ruminants is not yet completely clear. As part of a larger experiment concerned with nutrition during the dry period (DP), a study was undertaken to identify the relationship between precalving fat and protein supplementation with plasma leptin concentration and the association of leptin with fat reserves and dry matter intake (DMI) during the periparturient period. Further results associated with this experiment were reported elsewhere (Jaurena et al., 2001a.,b; Jaurena et al., 2003).

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2003 , 2003 , pp. 73
Copyright
Copyright © The British Society of Animal Science 2003

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References

Jaurena, G., Moorby, J. M., Fisher, W. J. and Davies, D. W. R. (2001a.) Lactational responses to energy and protein supplies during the dry period in dairy cows. Proceeding of the British Society of Animal Science: 203.Google Scholar
Jaurena, G., Moorby, J. M., Fisher, W. J. and Davies, D. W. R. (2001b.) Live weight, condition score and Longissimus dorsi responses to energy and protein supplies during the dry period in dairy cows. Proceeding of the British Society of Animal Science: 202.Google Scholar
Jaurena, G., Moorby, J. M., Beck, N.F.G. (2003). Plasma metabolite and hormone responses to rumen inert fat and protein supplies during the dry period in dairy cows. This Meeting.Google Scholar