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Association of leptin polymorphisms with milk yield, dry matter intake, energy balance, luteal activity and serum leptin levels during lactation in HF dairy cows

Published online by Cambridge University Press:  20 November 2017

S.C. Liefers ,
R.F. Veerkamp ,
M.F.W. te Pas ,
C. Delavaud ,
Y. Chilliard  and
T. van der Lende
S.C. Liefers
Affiliation:
Division of Animal Sciences, ID-Lelystad, PO Box 65, 8200 AB Lelystad, The Netherlands Animal Breeding and Genetics Group, Wageningen University, Wageningen, The Netherlands
R.F. Veerkamp
Affiliation:
Division of Animal Sciences, ID-Lelystad, PO Box 65, 8200 AB Lelystad, The Netherlands
M.F.W. te Pas
Affiliation:
Division of Animal Sciences, ID-Lelystad, PO Box 65, 8200 AB Lelystad, The Netherlands
C. Delavaud
Affiliation:
Herbivores Research Group, INRA-Theix, 63122 St-Genes-Champanelle, France
Y. Chilliard
Affiliation:
Herbivores Research Group, INRA-Theix, 63122 St-Genes-Champanelle, France
T. van der Lende
Affiliation:
Animal Breeding and Genetics Group, Wageningen University, Wageningen, The Netherlands
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Extract

Since evidence is present that genetic correlations between start of luteal activity and energy balance, milk yield and live weight exist (Veerkamp et al., 2000), it could be hypothesised that polymorphisms at the leptin gene locus might play a role. The first objective of this study was to associate plasma leptin levels during late pregnancy with genetic differences in the leptin gene. The second objective was to relate these polymorphisms with variations in energy balance, milk production, dry matter intake and fertility.

Type
Theatre Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2002 , 2002 , pp. 45
Copyright
Copyright © The British Society of Animal Science 2002

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References

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