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Lawrence R Schaeffer
Lawrence R Schaeffer
Professor of Animal Breeding, University of Guelph,ABScBG
Email verificata su uoguelph.ca - Home page
Titolo
Citata da
Citata da
Anno
Strategy for applying genome‐wide selection in dairy cattle
LR Schaeffer
Journal of animal Breeding and genetics 123 (4), 218-223, 2006
12212006
Accounting for covariances among test day milk yields in dairy cows
TE Ali, LR Schaeffer
Canadian Journal of Animal Science 67 (3), 637-644, 1987
6901987
Application of random regression models in animal breeding
LR Schaeffer
Livestock Production Science 86 (1-3), 35-45, 2004
6742004
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
6641997
Relationships between energy balance and health traits of dairy cattle in early lactation
BL Collard, PJ Boettcher, JCM Dekkers, D Petitclerc, LR Schaeffer
Journal of dairy science 83 (11), 2683-2690, 2000
5672000
Random regressions in animal models for test-day production in dairy cattle
S LR
World Congress of Genetics Applied Livestock Production, 1994 18, 443-446, 1994
4331994
Use of test day yields for genetic evaluation of dairy sires and cows
E Ptak, LR Schaeffer
Livestock Production Science 34 (1-2), 23-34, 1993
4121993
Multiple-country comparison of dairy sires
LR Schaeffer
Journal of Dairy Science 77 (9), 2671-2678, 1994
4081994
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
4022005
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
3961997
Experience with a test-day model
LR Schaeffer, J Jamrozik, GJ Kistemaker, J Van Doormaal
Journal of Dairy Science 83 (5), 1135-1144, 2000
3462000
Body traits in rainbow trout: II. Estimates of heritabilities and of phenotypic and genetic correlations
B Gjerde, LR Schaeffer
Aquaculture 80 (1-2), 25-44, 1989
2791989
Genetic evaluation for herd life in Canada
L Jairath, JCM Dekkers, LR Schaeffer, Z Liu, EB Burnside, B Kolstad
Journal of Dairy Science 81 (2), 550-562, 1998
2531998
Genetic relationships between persistency and reproductive performance in first-lactation Canadian Holsteins
BL Muir, J Fatehi, LR Schaeffer
Journal of dairy science 87 (9), 3029-3037, 2004
2312004
Effects of days dry and days open on Holstein milk production
LR Schaeffer, CR Henderson
Journal of Dairy Science 55 (1), 107-112, 1972
2291972
Extent of linkage disequilibrium in Holstein cattle in North America
M Sargolzaei, FS Schenkel, GB Jansen, LR Schaeffer
Journal of Dairy Science 91 (5), 2106-2117, 2008
2232008
Estimated genetic correlations between disease and yield traits in dairy cattle
H Simianer, H Solbu, LR Schaeffer
Journal of dairy science 74 (12), 4358-4365, 1991
2161991
Sire and cow evaluation under multiple trait models
LR Schaeffer
Journal of Dairy Science 67 (7), 1567-1580, 1984
2061984
Genetic properties of animal models
BW Kennedy, LR Schaeffer, DA Sorensen
Journal of Dairy science 71, 17-26, 1988
1961988
Computing strategies for solving mixed model equations
LR Schaeffer, BW Kennedy
Journal of Dairy Science 69 (2), 575-579, 1986
1821986
Il sistema al momento non può eseguire l'operazione. Riprova più tardi.
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