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Description of weight, fat and muscle in growing lambs using random regression

Published online by Cambridge University Press:  20 November 2017

T.M. Fischer ,
J.H.J. van der Werf ,
R.G. Banks  and
A.J. Ball
T.M. Fischer*
Affiliation:
School of Rural Science and Agriculture, University of New England, Armidale, NSW 2351 Australia
J.H.J. van der Werf
Affiliation:
School of Rural Science and Agriculture, University of New England, Armidale, NSW 2351 Australia
R.G. Banks
Affiliation:
School of Rural Science and Agriculture, University of New England, Armidale, NSW 2351 Australia
A.J. Ball
Affiliation:
LAMBPLAN, c/- School of Rural Science and Agriculture, University of New England, Armidale, NSW 2351 Australia
*
E-mail: [email protected]
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Extract

Precise description of growth and development is important for efficient lamb production. In order to meet tight market specifications, lamb producers require accurate genetic information to make informed selection and management decisions on their animals. There is also interest in selection of animals with more efficient growth and development patterns, and information is needed on how carcase traits are correlated to each other and how they can develop over time. Hence, the aim of this study was to evaluate repeated weight, fat and muscle measures on Poll Dorset sheep using random regression (RR) models to investigate how these traits change through time.

Type
Theatre Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2004 , 2004 , pp. 33
Copyright
Copyright © The British Society of Animal Science 2004

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References

Fogarty, N.M. 1995. Genetic parameters for live weight, fat and muscle measurements, wool production and reproduction in sheep: a review. Animal Breeding Abstracts 63: 101–143 Google Scholar
Gilmour, A.R., Cullis, B.R., Welham, S.R. and Thompson, R. 2002. ASReml Reference Manual. NSW Agriculture, Orange, Australia.Google Scholar