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Janusz Jamrozik
Janusz Jamrozik
Lactanet Canada; University of Guelph Centre for Genetic Improvement of Livestock, ABScBG
Geverifieerd e-mailadres voor uoguelph.ca
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Estimates of genetic parameters for a test day model with random regressions for yield traits of first lactation Holsteins
J Jamrozik, LR Schaeffer
Journal of Dairy Science 80 (4), 762-770, 1997
6551997
Estimates of genetic parameters for Canadian Holstein female reproduction traits
J Jamrozik, J Fatehi, GJ Kistemaker, LR Schaeffer
Journal of dairy science 88 (6), 2199-2208, 2005
3952005
Genetic evaluation of dairy cattle using test day yields and random regression model
J Jamrozik, LR Schaeffer, JCM Dekkers
Journal of Dairy Science 80 (6), 1217-1226, 1997
3861997
Experience with a test-day model
LR Schaeffer, J Jamrozik, GJ Kistemaker, J Van Doormaal
Journal of Dairy Science 83 (5), 1135-1144, 2000
3382000
Genetic analysis of milk urea nitrogen and lactose and their relationships with other production traits in Canadian Holstein cattle
F Miglior, A Sewalem, J Jamrozik, J Bohmanova, DM Lefebvre, RK Moore
Journal of Dairy Science 90 (5), 2468-2479, 2007
2852007
Estimation of genetic parameters for concentrations of milk urea nitrogen
GM Wood, PJ Boettcher, J Jamrozik, GB Jansen, DF Kelton
Journal of Dairy Science 86 (7), 2462-2469, 2003
1672003
Estimation of genetic parameters for test day records of somatic cell score
R Reents, J Jamrozik, LR Schaeffer, JCM Dekkers
Journal of Dairy Science 78 (12), 2847-2857, 1995
1671995
Comparison of possible covariates for use in a random regression model for analyses of test day yields
J Jamrozik, GJ Kistemaker, JCM Dekkers, LR Schaeffer
Journal of Dairy Science 80 (10), 2550-2556, 1997
1391997
Strategies for estimating the parameters needed for different test-day models
I Misztal, T Strabel, J Jamrozik, EA Mäntysaari, THE Meuwissen
Journal of Dairy Science 83 (5), 1125-1134, 2000
1332000
Analysis of milk urea nitrogen and lactose and their effect on longevity in Canadian dairy cattle
F Miglior, A Sewalem, J Jamrozik, DM Lefebvre, RK Moore
Journal of Dairy Science 89 (12), 4886-4894, 2006
1232006
Comparison of random regression models with Legendre polynomials and linear splines for production traits and somatic cell score of Canadian Holstein cows
J Bohmanova, F Miglior, J Jamrozik, I Misztal, PG Sullivan
Journal of dairy science 91 (9), 3627-3638, 2008
1212008
Multiple-trait prediction of lactation yields for dairy cows
LR Schaeffer, J Jamrozik
Journal of Dairy Science 79 (11), 2044-2055, 1996
1181996
Analysis of persistency of lactation calculated from a random regression test day model
J Jamrozik, G Jansen, LR Schaeffer, Z Liu
Interbull bulletin, 110-110, 1998
1161998
Genetic analysis of milk β-hydroxybutyrate and its association with fat-to-protein ratio, body condition score, clinical ketosis, and displaced abomasum in early first …
A Koeck, J Jamrozik, FS Schenkel, RK Moore, DM Lefebvre, DF Kelton, ...
Journal of dairy science 97 (11), 7286-7292, 2014
1152014
Genetic parameters for a multiple-trait multiple-lactation random regression test-day model in Italian Holsteins
BL Muir, G Kistemaker, J Jamrozik, F Canavesi
Journal of Dairy Science 90 (3), 1564-1574, 2007
1072007
Approximate accuracies of prediction from random regression models
J Jamrozik, LR Schaeffer, GB Jansen
Livestock Production Science 66 (1), 85-92, 2000
1052000
Comparison of random regression test-day models for Polish Black and White cattle
T Strabel, J Szyda, E Ptak, J Jamrozik
Journal of Dairy Science 88 (10), 3688-3699, 2005
982005
Genetic and environmental relationships between body condition score and milk production traits in Canadian Holsteins
S Loker, C Bastin, F Miglior, A Sewalem, LR Schaeffer, J Jamrozik, A Ali, ...
Journal of dairy science 95 (1), 410-419, 2012
922012
Genetic analysis of milk production traits of Polish Black and White cattle using large-scale random regression test-day models
T Strabel, J Jamrozik
Journal of dairy science 89 (8), 3152-3163, 2006
882006
Genetic relationships of clinical mastitis, cystic ovaries, and lameness with milk yield and somatic cell score in first-lactation Canadian Holsteins
A Koeck, S Loker, F Miglior, DF Kelton, J Jamrozik, FS Schenkel
Journal of dairy science 97 (9), 5806-5813, 2014
792014
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Artikelen 1–20