Supvy Res Genet Anml
dnorman@aipl.arsusda.gov
Phone: (301) 504-8660
Fax: (301) 504-8092
Room 304
10300 BALTIMORE AVE
BLDG 005 BARC-WEST
BELTSVILLE, MD, 20705-2350

Project List

	Effects of Heat Stress on Reproduction, Production, and Survival of Holsteins and Jerseys Or Holsteins and Brown Swiss in the Same Herd
	Improving Fitness in Dairy Cattle by Facilitating the Initiation of a National Research Database for Health Traits
	Estimating Daily Milk, Component Yield, and Scs from Individual Milking Data
	Improving Prediction of Dairy Bull Genetic Merit Considering Heat Stress by Geographical Region
	Genetic and Environmental Parameters for Yield Traits Across Varying Herd Sizes, Production Levels and Lactation Number
	Improving Genetic Prediction of Economic Merit of Dairy Animals
	Improving Identification, Reproduction, and Health in Dairy Cattle
	Improving Identification, Reproduction, and Health in Dairy Cattle
	Improving Identification, Reproduction, and Health in Dairy Cattle
	Improving Identification, Reproduction, and Health in Dairy Cattle
	Reproduction in Dairy Cattle Through Evaluation of Service Sires
	Improving Reproduction and Health in Dairy Cattle Through Use of on-Farm Databases
	Increasing Accuracy of Genetic Evaluations for Calving Ease

Publications

	Optimum Genetic Choices for Dairy Producers using Grazing Practices- (14-Jun-04)
	Performance of Dairy Cattle Clones and Evaluation of Their Milk Composition- (20-May-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)
	Impact of Participation in Somatic Cell Count Testing on Herd Average Somatic Cell Score- (21-Mar-04)
	Dairy Cattle: Breeding and Genetics- (16-Oct-03)
	Characteristics of Genetic Evaluations for Daughter Fertility in Relation to Other Fitness Traits- (22-Jun-03)
	Performance of Holsteins That Originated from Embryo Transfer Or Multiparous Births- (22-Jun-03)
	Performance of Holstein Clones in the United States- (11-Jun-03)
	Timeliness and Effectiveness of Progeny Testing Through Artificial Insemination- (15-Oct-02)
	Performance of Holstein Clones- (19-Aug-02)
	Comparison of Occurence and Yields of Daughters of Progeny-Test and Proven Bulls in Artificial Insemination and Natural-Service Bulls- (12-Apr-02)
	Genetic Relationships among Fertility Traits of Holsteins and Jerseys- (12-Apr-02)
	Accuracy of Reported Birth and Calving Dates of Dairy Cattle in the United States- (24-Jul-01)
	Timeliness of Progeny Testing Through Artificial Insemination and Percentage of Bulls Returned to Service- (24-Jul-01)
	Accuracy of Recorded Birth and Calving Dates in Dairy Cattle in the United States- (01-May-01)
	Overview of Progeny-Test Programs of Artificial-Insemination Organizations in the United States- (13-Apr-01)
	The Genetic Challenge: Will Jersey Breeders Meet It?- (01-Feb-01)
	Direct Selection for Genetic Improvement of Health and Fitness Traits in the United States Dairy Population- (10-Sep-00)
	Overview of Progeny-Test Programs of Artificial-Insemination Organizations in the United States- (26-Jul-00)
	Effect of Adjustment for Herd Test Day on Repeatability and Heritability of 305-Day Milk, Fat, and Protein Yields- (26-Jul-00)
	Herd and State Means for Somatic Cell Count for Dairy Herd Improvement- (07-Jun-00)
	Dairy Cows of High Genetic Merit for Yields of Milk, Fat, and Protein -- Review- (15-Jul-99)
	Duration of Herd Participation in Dairy Herd Improvement Milk Recording in the United States- (29-Apr-04)
	Duration of Herd Participation in Dairy Herd Improvement Milk Recording in the United States- (07-Apr-04)
	Somatic Cell Counts of Milk from Dairy Herd Improvement Herds During 2003- (27-Feb-04)
	Relationships of Test-Day Somatic Cell Scores with Test-Day and Lactation Milk Yields- (17-Dec-03)
	Test-Day Milk Loss Associated with Elevated Test-Day Somatic Cell Score- (22-Jun-03)
	Progeny Testing and Selection Intensity for Holstein Bulls in Different Countries- (07-May-03)
	Somatic Cell Counts of Milk from Dairy Herd Improvement Herds During 2002- (06-Mar-03)
	Correlations among Measures of Dairy Cattle Fertility and Longevity- (12-Apr-02)
	Selection Differentials from National Holstein Bull Progeny Test Programs Estimated from International Data- (12-Apr-02)
	Factors Affecting Traits of Jerseys and Holsteins- (12-Apr-02)
	Somatic Cell Counts of Milk from Dairy Herd Improvement Herds During 2001- (01-Apr-02)
	Stability and Bias of Yield Evaluation for Holstein Bulls in Artificial Insemination Service- (07-Jul-01)
	Somatic Cell Counts of Milk from Dairy Herd Improvement Herds During 1999 and 2000- (15-Mar-01)
	Comparison of Genetic Evaluations of Culled and Surviving Cows- (26-Jul-00)
	Stability of Yield Evaluations for Holstein Bulls in Artificial Insemination Service- (26-Jul-00)
	Impact of Genetic Correlations on Accuracy of Predicting Future Evaluations- (20-May-00)
	Somatic Cell Counts of Milk from 1998 Dairy Herd Improvement Herds- (05-Jan-00)
	National Survey of Herd Average Somatic Cell Counts on Dhi Test Days- (15-Dec-98)
	Genetic Improvement of Dairy Cattle Health- (19-May-04)
	Stability of Evaluations for Active Ai Bulls- (02-Apr-04)
	Accuracy and Stability of National and International Somatic Cell Score Evaluations- (23-Mar-04)
	Minimum Dry Period Length to Maximize Performance- (22-Mar-04)
	Accuracy of Foreign Dairy Bull Evaluations in Predicting Us Evaluations for Yield- (16-Mar-04)
	Accuracy of Foreign Dairy Bull Evaluations in Predicting Us Evaluations for Yield- (28-Aug-03)
	Using the Internet for Distribution of Dairy Genetic Evaluations and Research Information to the Dairy Industry- (22-Jun-03)
	Accuracy of Foreign Dairy Bull Evaluations in Predicting Us Evaluations for Yield- (22-Jun-03)
	Relationship of Somatic Cell Score with Fertility Measures- (24-Jul-01)
	Relationship of Somatic Cell Score with Fertility Measures- (06-Jun-01)
	Development of a National Genetic Evaluation for Cow Fertility- (20-Jan-04)
	Daughter Pregnancy Rate Evaluation of Cow Fertility- (10-Dec-02)