No. 17 (1998): Proceedings of the 1998 Interbull meeting

Rotorua, New Zealand, January 18-19 1998

Published: 2012-03-07

Articles

Preface

G Banos
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An empirical model to predict part lactation milk production from a single test-day record in Chios Sheep

A P Mavrogenis, C Papachristoforou

3
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On the use of projected 305-day yields in the breeding value prediction for production traits in the Netherlands

S van der Beek, G de Jong

8
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Genotype by environment interaction for milk production traits in Holstein Friesian dairy cattle in Ireland

A R Cromie, D L Kelleher, F J Gordon, M Rath

15
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Estimates of GxE effects for economic efficiency among daughters of Canadian and New Zealand sires in Canadian and New Zealand dairy herds

P Charagu, R Peterson

22
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Estimates of GxE effects for longevity among daughters of Canadian and New Zealand sires in Canadian and New Zealand dairy herds

P Mwansa, R Peterson

27
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Genetic improvement of functional traits in cattle (GIFT) - an intermediate report

A F Groen, J Aumann, V Ducrocq, N Gengler, J Soelkner, E. Strandberg, J Philipsson

31
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Comparison of different procedures to account for heterogeneity of variance within country

F Canavesi, M Cassandro

37
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Estimation of breeding values and heterogeneous variance in French dairy evaluation: first report

C Robert-Granié, B Bonaïti

40
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A parallel solver for multi-trait animal models

P Madsen, M Larsen

49
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Solving MACE equations

L Klei

55
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A method to estimate correlations among countries using data on all bulls

B Klei, K Weigel

60
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MACE for conformation traits

L Klei, T J Lawlor

64
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Studies in MACE correlations for type

G Jansen, G Jansen, B J Van Doormaal

70
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Approximations to Interbull reliabilities

L Jones

75
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Information source reliability method applied to MACE

B Harris, D Johnson

81
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Improved prediction of national genetic evaluations by including information from Interbull evaluations

R L Powell

85
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Impact of heterogeneity of variance over time on international comparisons using a simulation approach

F Miglior, K A Weigel, G Banos

91
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Impact of application of a test day model to dairy production traits on genetic evaluations of cows

R Reents, L Dopp, M Schmutz, F Reinhardt

96
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Adjustment for heterogeneous herd-test-day variances

G J Kistemaker, L R Schaeffer

100
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A comparison of fixed and random regression models applied to dairy test day production data

Z Liu, J Jamrozik, G Jansen

105
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Analysis of persistency of lactation calculated from a random regression test day model

J Jamrozik, G Jansen, L R Schaeffer, Z Liu

110
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Realized effect of selection for mastitis resistance

T Steine

115
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