No. 30 (2003): Proceedings of the Interbull technical workshop

Beltsville, MD, USA, March 2-3 2003

Published: 2012-03-09

Articles

Preface

U Emanuelson
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MACE for longevity traits

C van der Linde, G de Jong

3
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Analysis of the pilot MACE on longevity: French report

S Mattalia, V Ducrocq

10
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Correlation of longevity evaluation with other trait evaluations from 14 countries

R L Powell, P M VanRaden

15
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Joint evaluation of survival and fertility in dairy cattle with a linear model

V E Olori, M H Pool, M Calus, A R Cromie, R F Veerkamp

20
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Aspects of milk yield adjustment in the parameter estimation for genetic evaluation of survival

M H Pool, V E Olori, A R Cromie, M Calus, R F Veerkamp

25
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Time dependent effects as source of bias in estimating breeding values for longevity and fertility traits

U S Nielsen, O M Pedersen, M Toivonen

29
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Genetic versus non-genetic Weibull log-normal sire frailty models: A simulation study

L H Damgaard, I R Korsgaard, J Simonsen, O Dalsgaard, A H Andersen

35
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Longevity and fertility trait definitions compared in theory and simulation

P M VanRaden

43
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An overview of validation issues in national genetic evaluation systems (N-GES)

H Jorjani

49
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An overview of results and current status of MACE for calving traits

E Pasman, Z Liu, F Reinhardt

59
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Definition of calving traits - results from Swedish research

J Philipsson, L Steinbock

71
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Application of the multiple trait effective daughter contribution method to a linear model with direct and maternal genetic effects for calving traits

Z Liu, E Pasman, F Reinhardt, R Reents

75
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Revising the genetic evaluation for calving ease in the Italian Holstein Friesian

F Canavesi, S Biffani, A B Samoré

82
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Data quality assessment and preliminary investigations on fertility in the Italian Holstein Friesian

S Biffani, A B Samoré, F Canavesi, M Marusi

89
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Comparison of persistency definitions in random regression test day models

G J Kistemaker

96
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A general approach for international genetic evaluations robust to inconsistencies of genetic trends in national evaluations

V Ducrocq, I Delaunay, D Boichard, S Mattalia

101
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MACE - Options for improvement

G de Jong

112
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Advantages of using multiple country converted parent averages in Mace

B Klei, T Lawlor

117
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MACE for Ayrshire conformation: Impact of different uses of prior genetic correlations

T Mark, P Madsen, J Jensen, F Fikse

126
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List of participants

U Emanuelson

137
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