No. 22 (1999): Proceedings of the 1999 Interbull meeting

Zurich, Switzerland, August 26-27 1999

Published: 2012-03-01

Articles

Preface

U Emanuelson
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Interbull Centre Report

U Emanuelson, G Banos, J Philipsson

1
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Mace, the relative importance of information sources

B Klei, K Weigel, T Lawlor

9
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Exploring the (inverse of the) international genetic correlation matrix

S van der Beek

14
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Connectedness in dairy cattle populations

H Jorjani

21
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Estimation of parameters of structural model for genetic covariances in international genetic evaluations

R Rekaya, K Weigel, D Gianola

25
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Clustering herds across country borders for international genetic evaluation

K A Weigel, R Rekaya

31
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Weighing factors in international genetic evaluation; effects on international breeding values and reliability estimates

F Fikse, G Banos

38
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Use of national reliability figures to re-engineer effective number of records for application in international genetic evaluations

F Fikse, P Sullivan

44
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Effect of de-regression on lactation number on MACE evaluations; a simulation study

F Canavesi, F Miglior

49
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Impact of Japanese imported semen evaluations on international bull evaluations

Y Atagi, G B Jansen, L R Schaeffer

52
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Problems including Interbull breeding values in national evaluations

H Täubert, H Simianer, K Karras

57
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Experiences of blending foreign information in the national genetic evaluation

G A Pedersen, J Pedersen, U Sander Nielsen, P Madsen

61
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Estimation of (co)variance functions of test day yields in first and later lactations of United States Holstein cows

N Gengler, A Tijani, G R Wiggans, J C Philpot

69
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Multiple trait reduced rank random regression test-day model for production traits

M Lindauer, E A Mäntysaari

74
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Derivation of weights on daughter and pedigree information for estimating breeding values of progeny tested bulls using a test day model

Z Liu, F Reinhardt, R Reents, L Dopp

81
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New approaches to estimating daily yield from single milk testing schemes and use of AM-PM record in test day model genetic evaluation

Z Liu, R Reents, F Reinhardt, K Kuwan

88
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Preliminary test day genetic evaluations in the United Kingdom (UK) involving the use of Legendre polynomials and Wilmink function

R A Mrode, G.J.T. Swanson

94
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Application of the Canadian test day model

B J Van Doormaal, G J Kistemaker

100
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Update on genetic evaluation in Australia including introduction of test-day model

R Poole

104
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Optimization of test day models for genetic evaluation with small herd sizes

R Emmerling, K-U Götz, G Thaller, L Dempfle

106
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Genetic improvement of functional traits in cattle – report from EU concerted Action GIFT

A F Groen

115
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Economic relevance of selection for live weight and feed intake capacity in dairy cattle

E Koenen, P Berentsen, A Groen

121
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Durability breeding value in the Netherlands and the impact of sire rankings

A Harbers

126
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Genetic evaluation of linear type traits for Swiss Braunvieh

J Moll, L Casanova

132
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Effect of including within herd-year heterogeneity of variances on French genetic evaluation of foreign Holstein bulls

S Mattalia, D Boichard, M Mathevon

136
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Heterogeneous variances of Canadian bull EBVs over time

B J Van Doormaal, G J Kistemaker, P G Sullivan

141
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Projection of partial lactation records and calculation of 305-day yields in the Republic of Ireland

V E Olori, P J.B. Galesloot

149
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Application of ISO9001 in the genetic evaluation

G de Jong

155
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Preliminary report of the survey on genetic evaluation procedures for dairy production traits in the Interbull/ICAR member countries

H Jorjani

157
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List of participants

U Emanuelson

165
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