Res Genet Anml
paul@aipl.arsusda.gov
Phone: (301) 504-9438
Fax: (301) 504-8092
Room 316
10300 BALTIMORE AVE
BLDG 005 BARC-WEST
BELTSVILLE, MD, 20705-2350

Project List

	Improving Genetic Prediction of Economic Merit of Dairy Animals
	Estimating Economic Contribution of Daughter Pregnancy Rate to Lifetime Net Merit

Publications

	Genetic Base Change for February 2005- (25-Oct-04)
	Choice of Scales for Delivery of Genetic Evaluations to the Public- (28-May-04)
	Selection on Net Merit to Improve Lifetime Profit- (29-Apr-04)
	Heterosis and Breed Differences for Daughter Pregnancy Rate in Crossbred Dairy Cows- (23-Mar-04)
	Genetic Base and Trait Definition Update- (23-Mar-04)
	Contribution of Inbreeding and Recessive Defects to Early Embryo Losses- (23-Mar-04)
	Development of a National Genetic Evaluation for Cow Fertility- (20-Jan-04)
	Genetic Evaluations for Fitness and Fertility in the United States and Other Nations- (22-Oct-03)
	Net Merit As a Measure of Lifetime Profit: 2003 Revision- (22-Jul-03)
	Quality of Data Included in Genetic Evaluations for Daughter Pregnancy Rate- (22-Jun-03)
	Definition of Traits and Comparison of Models for Genetic Evaluation of Cow Fertility- (22-Jun-03)
	Longevity and Fertility Trait Definitions Compared in Theory and Simulation- (02-Mar-03)
	Daughter Pregnancy Rate Evaluation of Cow Fertility- (10-Dec-02)
	Selection of Dairy Cattle for Lifetime Profit- (19-Aug-02)
	Properties of International Longevity Evaluations and Correlations with Other Traits- (26-May-02)
	Correlations among Measures of Dairy Cattle Fertility and Longevity- (12-Apr-02)
	Economic Merit of Crossbred and Purebred Us Dairy Cattle- (21-Nov-01)
	Heterosis and Breed Differences for Yield and Somatic Cell Scores of Us Dairy Cattle in the 1990s- (24-Jul-01)
	Revised Methods to Compute Multitrait Productive Life- (31-Jan-01)
	Methods to Combine Information from Separate Sources- (30-Dec-00)
	Net Merit As a Measure of Lifetime Profit- (08-Nov-00)
	Genetic Evaluations for True Protein- (01-Jul-00)
	Investigation of An Alternative Approach to International Evaluations- (14-May-00)
	Current and Planned Changes in Usda-Dhia Genetic Evaluations (May 1999)- (23-Apr-99)
	Changes in Usda-Dhia Genetic Evaluations (February 1999)- (01-Feb-99)
	Accounting for Differences in Rate of Maturity in Yield Evaluations- (23-Mar-04)
	Use of Early Lactation Days Open Records for Genetic Evaluation of Cow Fertility- (20-Jan-04)
	Changes to Net Merit Ushered in with August Proofs- (04-Aug-03)
	Use of Early Lactation Days Open Records for Genetic Evaluation of Cow Fertility- (22-Jun-03)
	Standardization of Lactation Records for Variance of Mendelian Sampling to Reduce Bias in Evaluations of Bull Dams- (22-Jun-03)
	Predicting Days Open for Genetic Evaluation of Female Fertility in U.S. Dairy Cattle- (01-May-03)
	Detection and Adjustment of Abnormal Test-Day Yields- (19-Mar-03)
	Fertility Is Now a Selection Trait- (10-Mar-03)
	Correlation of Longevity Evaluation with Other Trait Evaluations from 14 Countries- (02-Mar-03)
	Detection and Adjustment of Abnormal Test-Day Yields- (15-Apr-02)
	International Dairy Bull Evaluations Expressed on National, Subglobal, and Global Scales- (30-Jan-02)
	Deriving Lactation Yields from Test-Day Yields Adjusted for Lactation Stage, Age, Pregnancy, and Herd Test Date- (21-Nov-01)
	Possible Global Scale for Ranking Dairy Bulls by Combining International Evaluations Expressed on National Scales- (30-Aug-01)
	Possible Global Scale for Ranking Dairy Bulls by Blending National Rankings- (24-Jul-01)
	Direct Selection for Genetic Improvement of Health and Fitness Traits in the United States Dairy Population- (10-Sep-00)
	Detection and Parameter Estimation for Quantitative Trait Loci Using Regression Models and Multiple Markers- (12-Apr-00)
	Optimum Genetic Choices for Dairy Producers using Grazing Practices- (14-Jun-04)
	Feasibility of Mace for Longevity for Colored Breeds- (28-May-04)
	Breed Composition Codes for Crossbred Dairy Cattle in the United States- (29-Apr-04)
	Breed Composition Codes for Crossbred Dairy Cattle in the United States- (23-Mar-04)
	Estimation of the Economic Impact of a Unit Change in Pta for Daughter Pregnancy Rate- (23-Mar-04)
	Characteristics of Genetic Evaluations for Daughter Fertility in Relation to Other Fitness Traits- (22-Jun-03)
	Genetic Relationships among Fertility Traits of Holsteins and Jerseys- (12-Apr-02)
	Evaluation of Sire Predicted Transmitting Abilities for Evidence of X Chromosomal Interitance in North American Sire Families- (06-Sep-00)
	Duration of Herd Participation in Dairy Herd Improvement Milk Recording in the United States- (07-Apr-04)
	Genetic Relationships of Milk Yield for Different Parities Between Bulls and Their Sons- (23-Mar-04)
	Merit of Obtaining Genetic Evaluations of Milk Yield for Each Parity on Holstein Bulls- (23-Mar-04)
	Body Condition Scores and Dairy Form Evaluations As Indicators of Days Open in Us Holsteins- (27-Mar-04)
	Analysis of Daughter Pregnancy Rates and Estimated Relative Conception Rates for a Bimodal Distribution- (23-Mar-04)
	Genetic Correlation Estimates among Body Condition Score, Dairy Form, Days Open and Production Traits for Us Holsteins- (22-Jun-03)
	Detection of Quantitative Trait Loci Affecting Milk Production, Health, and Reproductive Traits in Holstein Cattle- (01-Jun-03)
	Detection of Economic Trait Loci in the Us and Israeli Holstein Populationswith the Aid of DNA Microsatellites- (11-Jan-97)
	A Genome Scan for Qtl Influencing Milk Production and Health Traits in Dairy Cattle- (15-Oct-99)