No. 32 (2004): Proceedings of the 2004 Interbull meeting

Sousse, Tunisia, May 29-31 2004

Published: 2012-03-09

Articles

Preface

F Fikse
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Joint evaluation of Milking Shorthorn dairy cattle for production traits

R A Barrett, F Miglior, J Jamrozik, G Jansen, L R Schaeffer

3
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Joint Nordic test day model for milk production traits

J Pedersen, U Sander Nielsen, G P Aamand, J Pösö, E Mäntysaari, M Lidauer, I Stranden, P Madsen, K. Johansson, J-Å Eriksson, J Juga

8
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A joint Nordic model for type traits

A Fogh, J-Å Eriksson, J Juga, M Toivonen, J Pösö, M Simpanen, U Sander Nielsen, G P Aamand

13
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Comparison of alternative strategies for an international genetic evaluation of beef cattle breeds

F Phocas, K Donoghue, H Graser

18
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Conversion equations revisited: Single and multiple-trait conversion equations and comparison with simple-MACE

H Jorjani, F Fikse

25
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Report from workshop in Uppsala

J Wilmink, F Fikse

33
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Bicountry evaluation for conformation using MACE and animal model

G de Jong, C van Rumst, A Harbers, T Lawlor

37
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Accuracy of MACE evaluation for composite type traits compared to prediction based on linear traits

F Miglior, P G Sullivan, B J Van Doormaal

41
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A multi-trait MACE model for international bull comparison based on daughter yield deviations

Z Liu, F Reinhardt, R Reents

46
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MACE weighting factors for direct and maternal EBVs from multiple-trait models

P G Sullivan, G J Kistemaker, J Jakobsen, F Fikse

53
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Feasibility of MACE for longevity for colored breeds

J H Jakobsen, W F Fikse, P M VanRaden

59
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Estimation of genetic correlations using a structural model for milk and type traits: limits and opportunities

H Leclerc, S Minéry, W F Fikse, V Ducrocq, T Druet

65
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Multiple-trait across-country evaluations using singular (co)variance matrix and random regression model

E A Mäntysaari

70
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Does selection for production affect type traits genetic evaluation in Italian Holstein?

F Biscarini, S Biffani, F Canavesi

77
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Genetic and economic evaluation of dairy cow body condition score in New Zealand

J E Pryce, B L Harris

82
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Genetic evaluation of female fertility in Canadian dairy breeds

B J Van Doormaal, G Kistemaker, J Fatehi, F Miglior, J Jamrozik, L R Schaeffer

86
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Potential for genetic evaluation of health and fertility traits using data collected in on-farm herd management software programs

K A Weigel, N R Zwald, Y M Chang, R D Welper, J S Clay

90
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Are high pins related to poor fertility?

E Wall, I White, M P Coffey, S Brotherstone

94
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Test-day model for national genetic evaluation of somatic cell count in New Zealand

B L Harris, A M Winkelman

101
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From a repeatability to a random regression test day model evaluation for somatic cells: evaluation of results in the Italian Holstein population

F Canavesi, S Biffani, F Biscarini

105
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Computing inbreeding coefficients and effects of inbreeding, heterosis and recombination loss on evaluations for lifespan and somatic cell count in the UK

R Mrode, G Swanson, M F Paget

109
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Cross breeding in dairy cattle: The effect on calving ease

S McClintock, R Poole, K Beard, M Goddard

113
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Choice of scales for delivery of genetic evaluations to the public

P M VanRaden

118
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Genetic parameter estimation for casein in Brown Swiss

S Ghiroldi, C Nicoletti, A Rossoni

125
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Multivariate animal model estimates of genetic, environmental and phenotypic correlations for early lactation milk yield and composition in Tunisian Holstein-Friesians

M H Othmane, M Ben Hamouda, H Hammami

129
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Multiple-lactation random regression test-day model for Polish Black and White cattle

T Strabel, E Ptak, J Szyda, J Jamrozik

133
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Integrated adjustment for variance heterogeneity of test-day yield with a structural variance model in the Walloon genetic evaluation

P Mayeres, A Gillon, N Gengler

137
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Validation of genetic trend estimates from test-day model using individual daughter deviations

M Lidauer, E A Mäntysaari, I Strandén

142
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An alarm firing system for national genetic evaluation quality control

S Diplaris, A L Symeonidis, P A Mitkas, G Banos, Z Abas

146
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Illustration of a trend validation test for longevity evaluations

V Ducrocq

151
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Using a piecewise Weibull mixed model in the genetic evaluation for longevity

C van der Linde, G de Jong, A Harbers

157
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Combined use of quantitative and molecular data in genetic evaluations for milk production of Dual-Purpose Belgian Blue cows

N Gengler, P Mayeres, J Baudouin, S Abras, A Felix, C Michaux

165
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A marker assisted genetic evaluation system for dairy cattle using a random QTL model

Z Liu, F Reinhardt, J Szyda, H Thomsen, R Reents

170
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List of participants

F Fikse

175
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No. 32 (2004): Proceedings of the 2004 Interbull meeting

Articles

Preface

Joint evaluation of Milking Shorthorn dairy cattle for production traits

Joint Nordic test day model for milk production traits

A joint Nordic model for type traits

Comparison of alternative strategies for an international genetic evaluation of beef cattle breeds

Conversion equations revisited: Single and multiple-trait conversion equations and comparison with simple-MACE

Report from workshop in Uppsala

Bicountry evaluation for conformation using MACE and animal model

Accuracy of MACE evaluation for composite type traits compared to prediction based on linear traits

A multi-trait MACE model for international bull comparison based on daughter yield deviations

MACE weighting factors for direct and maternal EBVs from multiple-trait models

Feasibility of MACE for longevity for colored breeds

Estimation of genetic correlations using a structural model for milk and type traits: limits and opportunities

Multiple-trait across-country evaluations using singular (co)variance matrix and random regression model

Does selection for production affect type traits genetic evaluation in Italian Holstein?

Genetic and economic evaluation of dairy cow body condition score in New Zealand

Genetic evaluation of female fertility in Canadian dairy breeds

Potential for genetic evaluation of health and fertility traits using data collected in on-farm herd management software programs

Are high pins related to poor fertility?

Test-day model for national genetic evaluation of somatic cell count in New Zealand

From a repeatability to a random regression test day model evaluation for somatic cells: evaluation of results in the Italian Holstein population

Computing inbreeding coefficients and effects of inbreeding, heterosis and recombination loss on evaluations for lifespan and somatic cell count in the UK

Cross breeding in dairy cattle: The effect on calving ease

Choice of scales for delivery of genetic evaluations to the public

Genetic parameter estimation for casein in Brown Swiss

Multivariate animal model estimates of genetic, environmental and phenotypic correlations for early lactation milk yield and composition in Tunisian Holstein-Friesians

Multiple-lactation random regression test-day model for Polish Black and White cattle

Integrated adjustment for variance heterogeneity of test-day yield with a structural variance model in the Walloon genetic evaluation

Validation of genetic trend estimates from test-day model using individual daughter deviations

An alarm firing system for national genetic evaluation quality control

Illustration of a trend validation test for longevity evaluations

Using a piecewise Weibull mixed model in the genetic evaluation for longevity

Combined use of quantitative and molecular data in genetic evaluations for milk production of Dual-Purpose Belgian Blue cows

A marker assisted genetic evaluation system for dairy cattle using a random QTL model

List of participants

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