No 29 (2002)

Proceedings of the 2002 Interbull meeting

Interlaaken, Switzerland, May 26-27 2002

Table of Contents

Articles

Preface PDF
U Emanuelson
Combining disparate estimates of genetic correlations PDF
H Jorjani, B Klei, U Emanuelson 1
Selection and grouping of herds in international genetic evaluation of daughter performance records PDF
K A Weigel, N R Zwald 5
Genetic correlation estimates of a multiple lactation multiple country model for milk production traits based on performance records PDF
Z Liu, F Reinhardt, R Reents 7
Bayesian estimation of within and across country genetic parameters for MACE PDF
J Jensen, P Madsen 12
Bayesian MACE for Ayrshire conformation traits PDF
T Mark, P Madsen 18
Estimation of across country genetic parameters for MACE based on DYD's or deregressed proofs PDF
P Madsen, T Mark 22
Effects of changes in information sources in an udder health index on genetic correlations PDF
D T Prins, T Mark, W F Fikse, U Emanuelson 28
Determining changes in definition of conformation traits and the effect on international evaluations PDF
G de Jong, A Harbers 32
A pilot study on Mace for conformation for Guernseys PDF
B Klei, T Lawlor 45
Feasibility of international genetic evaluation for calving ease and stillbirth in Holstein PDF
E Pasman, F Reinhardt 49
Feasibility of MACE for longevity traits PDF
C van der Linde, G de Jong 55
Properties of international longevity evaluations and correlations with other traits PDF
P M VanRaden, R L Powell 61
Prediction of calving interval and survival breeding values for foreign bulls without daughters in Ireland PDF
V E Olori, A R Cromie, R F Veerkamp, T Meuwissen, M H Pool 66
Joint genetic evaluation for fertility in Austria and Germany PDF
C Fuerst, C Egger-Danner 73
Adjustment for heterogeneous genetic and non-genetic (co)variance structures in test-day models using a transformation on random regression effect regressors PDF
N Gengler, G R Wiggans 79
Effect of heterogeneous variance adjustment in an across country evaluation of Brown Swiss PDF
M Lidauer, E A Mäntysaari, R Emmerling, I Strandén 84
Model validation and rank reduction of covariance matrices in the random regression test-day model in The Netherlands PDF
A de Roos, E P.C Koenen, A Harbers, G de Jong 91
Multivariate covariance functions for test day production in Danish dairy breeds PDF
J H Jakobsen, P Madsen, J Pedersen 95
Impact of application of a random regression test day model to production trait genetic evaluations in dairy cattle PDF
F Reinhardt, Z Liu, A Bünger, L Dopp, R Reents 103
Multiple lactation random regression test-day model for Simmental and Brown Swiss in Germany and Austria PDF
R Emmerling, M Lidauer, E A Mäntysaari 111
National genetic evaluation for test-day milk yield of first parity using random regression test-day animal model in Korean Holstein cattle PDF
S D Kim, K J Han, J H Cho, G J Jeon, H K Lee, D H Lee 118
Feasibility of a Walloon test-day model and study of its potential as tool for selection and management PDF
B Auvray, N Gengler 123
Alternative modeling of fixed effects in test day models to increase their usefulness for management decisions PDF
P Mayeres, J Stoll, R Reents, N Gengler 128
Joint Nordic evaluation as a first step to joint breeding program PDF
J Juga 133
Estimation of parameters for three methods of heterogeneous variance adjustment on 305 days lactational data PDF
J Pena, M A Ibañez 88
Genetic evaluation for female fertility in Switzerland PDF
U Schnyder, C Stricker 138
PFT: the new selection index for the Italian Holstein PDF
S Biffani, A B Samoré, F Canavesi 142
New total merit index RZG for Holsteins in Germany with more emphasis on herd life PDF
S Rensing, E Pasman, F Reinhardt, F Feddersen 147
Economic values in the Danish total merit index PDF
J Pedersen, U Sander Nielsen, G P Aamand 150
Effect of bimonthly sampling on genetic parameters and evaluation for somatic cell count PDF
R A Mrode, G Swanson 155
The Interbull audit project part I - Results of an international survey PDF
S König, H Täubert, H Simianer, H H Swalve 161
The Interbull audit project part II: Development of a program for auditing breeding value estimation programs PDF
H Täubert, H H Swalve, H Simianer 165
Pedigree analysis of Holstein dairy catle populations PDF
C Maltecca, F Canavesi, G Gandini, A Bagnato 168
Recommendations for a planned progeny test design and connection in French dairy cattle PDF
S Mattalia, S Moureaux, R Le Gall 173
A method for verifying genetic evaluation results PDF
B Klei, T Mark, F Fikse, T Lawlor 178
Preliminary analysis of mendelian sampling terms for genetic evaluation validation PDF
F Miglior, P G Sullivan, B J Van Doormaal 183
Improving quality of results at the international level: critical areas and possible solutions PDF
F Canavesi, S Biffani, A B Samorè 188
Effect of number of bulls on sire variance estimation PDF
F Miglior, P G Sullivan, B J Van Doormaal 192
Recording system and quality of dairy cattle production data in Tunisia PDF
A Ben Gara, B Rekik, M Ben Hamouda, M Guellouz 196
Breeding values for daughter fertility in Norwegian dairy cattle; data quality and model validation PDF
I A-Ranberg, G Klemetsdal, B Heringstad, M Svendsen, T Steine 200
List of participants PDF
U Emanuelson 205


ISSN: 2001-340X