J. R. Wright

发表

Measuring Genomic Pre-Selection in Theory and in Practice

Paul M VanRaden, J. R. Wright, 2013 .

Phenotypic and genetic relationship between linear functional type traits and milk yield for five breeds.

R. L. Powell, H. Norman, J. R. Wright, 1988, Journal of dairy science.

Herd and state means for somatic cell count from dairy herd improvement.

G. Wiggans, R. Miller, H. Norman, 2000, Journal of dairy science.

Development of national genomic evaluations for health traits in U.S. Holsteins

P. VanRaden, J. Cole, J. R. Wright, 2018 .

Consequence of alternative standards for bulk tank somatic cell count of dairy herds in the United States.

R. Miller, H. Norman, C. Kopral, 2011, Journal of dairy science.

Relationship of test-day somatic cell score with test-day and lactation milk yields.

G. Wiggans, R. Miller, H. Norman, 2004, Journal of dairy science.

Mathematical representations of correlations among yield traits and somatic cell score on test day.

P. VanRaden, H. Norman, J. R. Wright, 1999, Journal of dairy science.

Consistency of maturity rate for milk yield across countries and generations.

P. VanRaden, R. L. Powell, H. Norman, 2007, Journal of dairy science.

Impact of maturity rate of daughters on genetic ranking of Holstein bulls.

P. VanRaden, R. L. Powell, H. Norman, 2005, Journal of dairy science.

Comparison of test interval and best prediction methods for estimation of lactation yield from monthly, a.m.-p.m., and trimonthly testing.

P. VanRaden, H. Norman, J. R. Wright, 1999, Journal of dairy science.

Alternatives for examining daughter performance of progeny-test bulls between official evaluations.

K. Weigel, H. Norman, J. R. Wright, 2009, Journal of dairy science.

Factors associated with frequency of abortions recorded through Dairy Herd Improvement test plans.

R. Miller, H. Norman, J. Hutchison, 2012, Journal of dairy science.

Genetic and environmental factors that affect gestation length in dairy cattle.

P. VanRaden, H. Norman, J. Cole, 2009, Journal of dairy science.

Effect of herd and sire on uniform functional type trait appraisal scores for Ayrshires, Guernseys, Jerseys, and milking shorthorns.

W. A. Mohammad, R. L. Powell, H. Norman, 1983, Journal of dairy science.

Performance of Holstein clones in the United States.

R. L. Powell, H. Norman, T. Lawlor, 2004, Journal of Dairy Science.

Reproductive status of Holstein and Jersey cows in the United States.

R. Miller, H. Norman, S. M. Hubbard, 2009, Journal of dairy science.

Potential consequences of selection to change gestation length on performance of Holstein cows.

R. Miller, H. Norman, J. R. Wright, 2011, Journal of dairy science.

Duration of herd participation in dairy herd improvement milk recording in the United States.

H. Norman, J. R. Wright, E. Hare, 2004, Journal of dairy science.

Trends in calving ages and calving intervals for dairy cattle breeds in the United States.

H. Norman, J. R. Wright, E. Hare, 2006, Journal of dairy science.

Survival rates and productive herd life of dairy cattle in the United States.

H. Norman, J. R. Wright, E. Hare, 2006, Journal of dairy science.

Death losses for lactating cows in herds enrolled in dairy herd improvement test plans.

R. Miller, H. Norman, J. R. Wright, 2008, Journal of dairy science.

Response to alternative genetic-economic indices for Holsteins across 2 generations.

R. Miller, H. Norman, J. R. Wright, 2010, Journal of dairy science.

Merit of Extending Completed Records of Less than 305 Days

H. Norman, F. N. Dickinson, J. R. Wright, 1985 .

Type trait (co)variance components for five dairy breeds.

G. Wiggans, N. Gengler, J. R. Wright, 2004, Journal of dairy science.

Phenotypic relationship of yield and type scores from first lactation with herd life and profitability.

R. Pearson, R. L. Powell, H. Norman, 1996, Journal of dairy science.

Short communication: genetic evaluation of mobility for Brown Swiss dairy cattle.

G. Wiggans, J. R. Wright, R. Neitzel, 2013, Journal of dairy science.

Re-Examination of Service-Sire Conception Rates in the United States

H. Norman, J. R. Wright, J. Dürr, 2015 .

Effectiveness of national and regional sire evaluations in predicting future-daughter milk yield.

P. VanRaden, R. L. Powell, H. Norman, 2005, Journal of dairy science.

Value of selecting for cow and calf livability

P. VanRaden, H. Norman, J. R. Wright, 2016 .

Comparison of single-trait to multi-trait national evaluations for yield, health, and fertility.

P M VanRaden, P. VanRaden, J. Hutchison, 2014, Journal of dairy science.

Impact of genetic merit for milk somatic cell score of sires and maternal grandsires on herd life of their daughters.

R. Miller, H. Norman, J. Cole, 2009, Journal of Dairy Science.

Selection on yield and fitness traits when culling holsteins during the first three lactations.

H. Norman, T. Lawlor, J. Hutchison, 2007, Journal of dairy science.

Animal model genetic evaluation of type traits for five dairy cattle breeds.

G. Wiggans, N. Gengler, J. R. Wright, 1999, Journal of dairy science.

Estimation of (co)variance components for Jersey type traits using a repeatability model.

G. Wiggans, H. Norman, N. Gengler, 1997, Journal of dairy science.

Accounting for heterogeneous variances in multitrait evaluation of Jersey type traits.

G. Wiggans, T. Druet, N. Gengler, 2006, Journal of dairy science.

Heterogeneity of (co)variance components for Jersey type traits

G. Wiggans, T. Druet, N. Gengler, 2001 .

Multitrait genetic evaluation of Jersey type with integrated accounting for heterogeneous (co)variances

G. Wiggans, T. Druet, N. Gengler, 2000 .

Joint estimation of variances and effects in the US Jersey type evaluation system

G. Wiggans, T. Druet, N. Gengler, 2000 .

Application of canonical transformation with missing values to multitrait evaluation of Jersey type.

G. Wiggans, H. Norman, N. Gengler, 1997, Journal of Dairy Science.

Accuracy of recorded birth and calving dates of dairy cattle in the United States.

H. Norman, J. R. Wright, J. L. Edwards, 2001, Journal of dairy science.

Reproductive status of Holstein and Jersey cows in the United States.

R. Miller, H. Norman, S. M. Hubbard, 2009, Journal of dairy science.