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Type: Conference paper
Title: Selection demonstration flocks - What have we learnt?
Author: Brien, F.
Jaensch, K.
Grimson, R.
Kemper, K.
Smith, D.
Hebart, M.
Ramsay, A.
Citation: Proceedings of the sixteenth conference: Australian Association of Animal Breeding and Genetics, 2005 / pp.322-325
Publisher: Csiro Publishing
Publisher Place: Victoria
Issue Date: 2005
ISBN: 9780643092341
Conference Name: Australian Association of Animal Breeding and Genetics (16th : 2005 : Queensland, Australia)
Statement of
F.D. Brien, K.S. Jaensch, R.J. Grimson, K.E. Kemper, D.H. Smith, M.L. Hebart and A.M.M. Ramsay
Abstract: project are presented. Long-term responses to selection are also discussed. Established along with an unselected control flock (CON) in 1996, the original three selection flocks emphasise use of either measured performance (MPR), professional classer assessment (PCA) or an elite wool or ‘soft rolling skin’ approach (EWF). A Meat Merino flock was added in 1999 (FM+). All SDFs are outperforming the CON. Commencing with the 2001-drop, considerable divergence between the selection flocks was observed for mean fibre diameter and fleece weight; since that time divergence in mean fibre diameter has not increased, whereas the MPR, EWF and PCA flocks have tended to converge again for fleece weight. Most of the initial advantage in 16-month live weight in the FM+ flock over the CON has been retained in later years, whilst achieving small increases in fleece weight and maintaining a lower mean fibre diameter.
Keywords: Selection demonstration flocks; Merino; selection approaches
Rights: Copyright status unknown
RMID: 0020114777
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Appears in Collections:Animal and Veterinary Sciences publications

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