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Genetic parameters for locomotion and composite type traits for the Jersey and Guernsey dairy breeds in the United Kingdom (UK)

Published online by Cambridge University Press:  20 November 2017

M.F. Paget ,
G.J.T. Swanson  and
R.A. Mrode
M.F. Paget
Affiliation:
MDC Evaluations Ltd, Fox Talbot House, Greenways Business Park, Chippenham, Wiltshire, SN15 1BN, UK
G.J.T. Swanson
Affiliation:
MDC Evaluations Ltd, Fox Talbot House, Greenways Business Park, Chippenham, Wiltshire, SN15 1BN, UK
R.A. Mrode
Affiliation:
MDC Evaluations Ltd, Fox Talbot House, Greenways Business Park, Chippenham, Wiltshire, SN15 1BN, UK
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Extract

There is growing interest in the dairy industry to broaden breeding objectives by incorporating health and welfare traits into selection indices. Although these traits are difficult to measure directly, there is good evidence to show that some linear type traits are genetically correlated with certain health and welfare traits, e.g. udder-type with somatic cell count (Mrode, Swanson and Lindberg, 1999) and locomotion with lameness (Boelling, 1996). Linear and composite type traits, such as locomotion and the feet and legs and mammary system composites, have been proposed for inclusion in a future modification to the UK Profitable Life Index (PLI). The objective of this study was to estimate genetic parameters of locomotion and composite traits for application in UK national dairy genetic evaluations for Jerseys and Guernseys.

Type
ISAE/BSAS
Information
Proceedings of the British Society of Animal Science , Volume 2003 , 2003 , pp. 56
Copyright
Copyright © The British Society of Animal Science 2003

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References

Boelling, D. 1996. The influence of phenotype and genotype on locomotion in cattle. PhD. thesis, Wye College, University of London.Google Scholar
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MDC Evaluations Ltd. 2002. Technical Bulletin, pp. 21–23.Google Scholar
Mrode, R.A., Swanson, G.J.T. and Lindberg, C.M. 1999. Genetic relationship between somatic cell count and lifespan and conformation traits in some dairy breeds in the United Kingdom (UK). Proceedings of the British Society of Animal Science, p. 48.CrossRefGoogle Scholar