No 31 (2003)

Proceedings of the 2003 Interbull meeting

Rome, Italy, August 28-30 2003

Table of Contents

Articles

Preface PDF
U Emanuelson
Integrated detection and correction of outliers in a random regression test-day model PDF
P Mayeres, A Gillon, N Gengler 3
Quality control of national genetic evaluation results using data-mining techniques; a progress report PDF
G Banos, P A Mitkas, Z Abas, A L Symeonidis, G Milis, U Emanuelson 8
Calculation and use of daughter yield deviations and associated reliabilities of bulls under multiple trait models PDF
Z Liu, A Bünger, F Reinhardt, R Reents 16
Validation of genetic evaluation methodology using the nonparametric bootstrap method PDF
J I Weller, U Emanuelson, E Ezra 26
Procedure for validation of trends in genetic variance PDF
W F Fikse, L Klei, Z Liu, P G Sullivan 30
A test of ignorability of selection under the infinitesimal model: A preliminary report PDF
H Jorjani, D Gianola 37
Multivariate genetic evaluation for calving ease and stillbirth in Austria and Germany PDF
C Fuerst, C Egger-Danner 47
A joint Nordic model for fertility traits PDF
A Fogh, A Roth, O Maagaard Pedersen, J-Å Eriksson, J Juga, M Toivonen, I Ranberg, T Steine, U Sander Nielsen, G Pedersen Aamand 52
Joint Nordic genetic evaluation for mastitis PDF
B Heringstad, U Sander Nielsen, J Pösö, J-Å Eriksson, M Svendsen 56
Prediction of UK fertility proofs for foreign bulls PDF
E Wall, V E Olori, M P Coffey, S Brotherstone 60
Outline of a procedure to calculate weighting factors for models with maternal effects PDF
J H Jakobsen, W F Fikse, Z Liu, P Sullivan 65
Genetic analysis of herd life in Canadian dairy cattle on a lactation basis using the Survival Kit PDF
A Sewalem, G J Kistemaker, B Van Doormaal 73
Improving the quality of the genetic evaluation for functional longevity in Italy PDF
F Canavesi, S Biffani, F Biscarini 77
Genetic analysis of type traits for the Italian Jersey breed PDF
F Biscarini, S Biffani, F Canavesi 80
Calculation of the economic weight for somatic cell count for inclusion in the New Zealand dairy cattle breeding objective PDF
A M Winkelman, B L Harris, W A Montgomerie, J E Pryce 84
Genetic evaluation of somatic cell scores using a random regression test day model for a very large dairy cattle population PDF
Z Liu, F Reinhardt, A Bünger, J Jaitner, R Reents 88
Use of a weighted random regression test-day model to better relate observed somatic cell score to mastitis infection likelihood PDF
N Gengler, P Mayeres 92
Genetic parameters of test-day somatic cell score estimated with a random regression model PDF
A de Roos, A Harbers, G de Jong 97
Relationships between calving traits in heifers and mature cows in Australia PDF
S McClintock, K Beard, A Gilmour, M Goddard 102
Selection for energy balance in dairy cows PDF
M P Coffey, G Simm, W G Hill, S Brotherstone 107
Calculation of multiple-trait sire reliability for fertility traits PDF
G Banos, S Brotherstone, R Thompson, J A Woolliams, E Wall, M P Coffey 112
Effect of including inbreeding, heterosis and recombination loss in prediction of breeding values for fertility traits PDF
E Wall, S Brotherstone, J F Kearney, J A Woolliams, M P Coffey 117
Genetic relationship between milk yields, calving ease and days open at first lactation of Holstein cows in Korea PDF
D H Lee, K J Han, B H Park 122
Approximate prediction error covariances among multiple estimated breeding values for individuals PDF
K Meyer, B Tier 133
Results from a joint progeny testing program in Simmental PDF
J Dodenhoff, C Egger-Danner, S Mattalia 137
Comparison of national, MACE, and borderless genetic evaluations in Holstein populations PDF
C Maltecca, A Bagnato, K A Weigel 145
A first attempt of an international genetic evaluation of beef breeds in Europe PDF
G Renand, D Laloë, R Quintanilla, M N Fouilloux 151
International beef cattle genetic evaluation in the United States and the role of the National Beef Cattle Evaluation Consortium PDF
K D Bullock, E J Pollak, J K Bertrand, D Garrick, M Enns, B Weaber, D e Wilson 156
Across country genetic evaluation of beef traits in Middle European dual purpose breeds PDF
H.J. Schild, E. Niebel, K.-U. Götz 158
An essay on Interbull evaluations from an AI-industry perspective PDF
S van der Beek 165
Interbull proofs are a reasonably unbiased prediction of future performance in Australia for imported bulls PDF
S McClintock, K Beard, R Poole 169
Accuracy of foreign dairy bull evaluations in predicting US evaluations for yield PDF
R L Powell, A H Sanders, H D Norman 171
Application of a structural model to estimate genetic correlations between countries PDF
S Minéry, W F Fikse, V Ducrocq 175
Analysis of genetic groups in MACE evaluations with different time-edit on data PDF
F Miglior, P G Sullivan, B J Van Doormaal 180
Multi-country evaluation to study the impact of genotype by model interaction PDF
C van der Linde, G de Jong 185
Implementation of a test day model for production traits in the UK PDF
R A Mrode, G Swanson, M F Paget 193
Comparison of random regression test-day models for production traits of dairy cattle in Poland PDF
T Strabel, J Szyda, E Ptak, J Jamrozik 197
The Canadian test day model using Legendre polynomials PDF
G J Kistemaker 202
List of participants PDF
U Emanuelson 205


ISSN: 2001-340X