No. 25 (2000): Proceedings of the 2000 Interbull meeting

Bled, Slovenia, May 14-15, 2000

Published: 2012-03-07

Articles

Preface

U Emanuelson
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Preliminary report on international dairy sire evaluation using individual performance records

K Weigel, R Rekaya, F Fikse, N Zwald, D Gianola

3
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Guernsey international genetic evaluation using performance records: Preliminary report

F Fikse, R Rekaya, K Weigel

8
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Options to evaluate sires for multiple traits in multiple countries

P G Sullivan

13
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Investigation of an alternative approach to international evaluations

P M VanRaden, R L Powell, U Emanuelson

18
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Well-connected, informative sub-sets of data

H Jorjani

22
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Data structure and connectedness issues in international dairy sire evaluations

K Weigel, R Rekaya, F Fikse, N Zwald, D Gianola

26
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The effect of selection and data structure in national and international evaluation: A simulation study

F Canavesi

31
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Phantom groups and equivalence between daughter yield deviations and deregressed proofs as critical elements in MACE international evaluation

F Canavesi, A B Samoré

35
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Genotype by environment interaction in Nordic dairy cattle studied by use of reaction norms

E Strandberg, R Kolmodin, P Madsen, J Jensen, H Jorjani

41
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Reduced rank estimation of (co)-variance components for international evaluation using AI-REML

P Madsen, J Jensen, T Mark

46
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Blending Interbull breeding values into national evaluations - a new approach

H Täubert, H Simianer, K Karras

53
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Impact of second country proofs on genetic evaluations

F Miglior, B J Van Doormaal

57
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Effect of recent changes in the genetic evaluation of dairy cattle production traits in Ireland

V E Olori, D Murphy, A Harbers, G de Jong

60
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Partitioning estimated breeding values in animal models

G J Kistemaker

65
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Trends in sire variance estimates by birth year

B J Van Doormaal, F Miglior

70
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Estimating parameters of a random regression test day model for first three lactation milk production traits using the covariance function approach

Z Liu, F Reinhardt, R Reents

74
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Multiple-trait random regression test-day model for all lactations

M Lidauer, E A Mäntysaari, I Strandén, J Pösö

81
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Efficiency of test day models in genetic evaluation with part lactation information

R A Mrode, G Swanson, C M Lindberg

87
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Reliabilities in the Canadian test day model

G J Kistemaker

92
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Comparison of different test-day models for genetic evaluation of Italian Brown dairy cattle

R Dal Zotto

95
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European linear type traits harmonisation in Brown Swiss dairy cattle

E Santus

101
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Jersey MACE for conformation

B Klei, T Lawlor

104
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Multitrait genetic evaluation of Jersey type with integrated accounting for heterogeneous (co)variances

N Gengler, T Dusseldorf, G R Wiggans, J R Wright, T Druet

108
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Estimation of genetic parameters for persistency of milk production in dairy cattle

R van der Linde, A Groen, G de Jong

113
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Genetic parameters for stillbirth in the Netherlands

A Harbers, L Segeren, G de Jong

117
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Calving ease evaluation of French dairy bulls with a heteroskedastic threshold model with direct and maternal effects

V Ducrocq

123
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Stillbirths and dystocia in first and second parities in Swedish Holstein cattle

L Steinbock, K Johansson, A Näsholm, B Berglund, J Philipsson

131
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Genetic evaluation for functional traits in Norway

M Svendsen, I Ranberg

135
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Analysis of management traits in the New Zealand dairy cattle population

A M Winkelman, B L Harris, W A Montgomerie

139
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National genetic evaluation of udder health and other health traits in Denmark

U Sander Nielsen, G P Aamand, T Mark

143
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Somatic cell count - recording and evaluation

G Sender, D Krencik

151
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Feasibility of international genetic evaluations of dairy sires for somatic cell count and clinical mastitis

T Mark, W F Fikse, A Sigurdsson, J Philipsson

154
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List of participants

U Emanuelson

163
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