No. 29 (2002): Proceedings of the 2002 Interbull meeting

Interlaaken, Switzerland, May 26-27 2002

Published: 2012-03-08

Articles

Preface

U Emanuelson
- PDF
Combining disparate estimates of genetic correlations

H Jorjani, B Klei, U Emanuelson

1
- PDF
Selection and grouping of herds in international genetic evaluation of daughter performance records

K A Weigel, N R Zwald

5
- PDF
Genetic correlation estimates of a multiple lactation multiple country model for milk production traits based on performance records

Z Liu, F Reinhardt, R Reents

7
- PDF
Bayesian estimation of within and across country genetic parameters for MACE

J Jensen, P Madsen

12
- PDF
Bayesian MACE for Ayrshire conformation traits

T Mark, P Madsen

18
- PDF
Estimation of across country genetic parameters for MACE based on DYD's or deregressed proofs

P Madsen, T Mark

22
- PDF
Effects of changes in information sources in an udder health index on genetic correlations

D T Prins, T Mark, W F Fikse, U Emanuelson

28
- PDF
Determining changes in definition of conformation traits and the effect on international evaluations

G de Jong, A Harbers

32
- PDF
A pilot study on Mace for conformation for Guernseys

B Klei, T Lawlor

45
- PDF
Feasibility of international genetic evaluation for calving ease and stillbirth in Holstein

E Pasman, F Reinhardt

49
- PDF
Feasibility of MACE for longevity traits

C van der Linde, G de Jong

55
- PDF
Properties of international longevity evaluations and correlations with other traits

P M VanRaden, R L Powell

61
- PDF
Prediction of calving interval and survival breeding values for foreign bulls without daughters in Ireland

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

66
- PDF
Joint genetic evaluation for fertility in Austria and Germany

C Fuerst, C Egger-Danner

73
- PDF
Adjustment for heterogeneous genetic and non-genetic (co)variance structures in test-day models using a transformation on random regression effect regressors

N Gengler, G R Wiggans

79
- PDF
Effect of heterogeneous variance adjustment in an across country evaluation of Brown Swiss

M Lidauer, E A Mäntysaari, R Emmerling, I Strandén

84
- PDF
Model validation and rank reduction of covariance matrices in the random regression test-day model in The Netherlands

A de Roos, E P.C Koenen, A Harbers, G de Jong

91
- PDF
Multivariate covariance functions for test day production in Danish dairy breeds

J H Jakobsen, P Madsen, J Pedersen

95
- PDF
Impact of application of a random regression test day model to production trait genetic evaluations in dairy cattle

F Reinhardt, Z Liu, A Bünger, L Dopp, R Reents

103
- PDF
Multiple lactation random regression test-day model for Simmental and Brown Swiss in Germany and Austria

R Emmerling, M Lidauer, E A Mäntysaari

111
- PDF
National genetic evaluation for test-day milk yield of first parity using random regression test-day animal model in Korean Holstein cattle

S D Kim, K J Han, J H Cho, G J Jeon, H K Lee, D H Lee

118
- PDF
Feasibility of a Walloon test-day model and study of its potential as tool for selection and management

B Auvray, N Gengler

123
- PDF
Alternative modeling of fixed effects in test day models to increase their usefulness for management decisions

P Mayeres, J Stoll, R Reents, N Gengler

128
- PDF
Joint Nordic evaluation as a first step to joint breeding program

J Juga

133
- PDF
Estimation of parameters for three methods of heterogeneous variance adjustment on 305 days lactational data

J Pena, M A Ibañez

88
- PDF
Genetic evaluation for female fertility in Switzerland

U Schnyder, C Stricker

138
- PDF
PFT: the new selection index for the Italian Holstein

S Biffani, A B Samoré, F Canavesi

142
- PDF
New total merit index RZG for Holsteins in Germany with more emphasis on herd life

S Rensing, E Pasman, F Reinhardt, F Feddersen

147
- PDF
Economic values in the Danish total merit index

J Pedersen, U Sander Nielsen, G P Aamand

150
- PDF
Effect of bimonthly sampling on genetic parameters and evaluation for somatic cell count

R A Mrode, G Swanson

155
- PDF
The Interbull audit project part I - Results of an international survey

S König, H Täubert, H Simianer, H H Swalve

161
- PDF
The Interbull audit project part II: Development of a program for auditing breeding value estimation programs

H Täubert, H H Swalve, H Simianer

165
- PDF
Pedigree analysis of Holstein dairy catle populations

C Maltecca, F Canavesi, G Gandini, A Bagnato

168
- PDF
Recommendations for a planned progeny test design and connection in French dairy cattle

S Mattalia, S Moureaux, R Le Gall

173
- PDF
A method for verifying genetic evaluation results

B Klei, T Mark, F Fikse, T Lawlor

178
- PDF
Preliminary analysis of mendelian sampling terms for genetic evaluation validation

F Miglior, P G Sullivan, B J Van Doormaal

183
- PDF
Improving quality of results at the international level: critical areas and possible solutions

F Canavesi, S Biffani, A B Samorè

188
- PDF
Effect of number of bulls on sire variance estimation

F Miglior, P G Sullivan, B J Van Doormaal

192
- PDF
Recording system and quality of dairy cattle production data in Tunisia

A Ben Gara, B Rekik, M Ben Hamouda, M Guellouz

196
- PDF
Breeding values for daughter fertility in Norwegian dairy cattle; data quality and model validation

I A-Ranberg, G Klemetsdal, B Heringstad, M Svendsen, T Steine

200
- PDF
List of participants

U Emanuelson

205
- PDF