Publications

Investigation of country bias in international genetic evaluations using full brother information - (Peer Reviewed Journal)

Powell, R.L., Sanders, A.H., Norman, H.D. 2008. Investigation of country bias in international genetic evaluations using full-brother information. Journal of Dairy Science. 91(7):2885-2892.

Breed Composition of the United States Dairy Cattle Herd - (Abstract)

Powell, R.L., Norman, H.D., Hutchison, J.L. 2008. Breed Composition of the United States Dairy Cattle Herd. Journal of Dairy Science. 91(E-Suppl. 1):7(abstr. T17).

Consistency of Maturity Rate for Milk Yield Across Countries and Generations - (Peer Reviewed Journal)

Norman, H.D., Wright, J.R., Powell, R.L., Van Raden, P.M., Miglior, F., De Jong, G. Consistency of Maturity Rate for Milk Yield Across Countries and Generations. Journal of Dairy Science. 90(8):3937-3944.

Relationship of gestation length to stillbirth - (Abstract)

Powell, R.L., Norman, H.D., Wright, J.R. 2007. Relationship of gestation length to stillbirth. Journal of Dairy Science. 90(Suppl. 1):16(abstr. M39).

Is there a need for different genetics in dairy grazing systems? - (Proceedings/Symposium)

Norman, H.D., Wright, J.R., Powell, R.L. 2006. Is there a need for different genetics in dairy grazing systems?. Proceeding of 6th Mid-Atlantic Dairy Grazing Conference, October 31 - November 1, Goldsboro, North Carolina, p. 1-5.

Genetic Differences Between Maturity Rates of Daughters of Holstein Bulls in the Netherlands and United States - (Abstract)

Norman, H.D., Wright, J.R., Powell, R.L., Van Raden, P.M., De Jong, G. 2006. Genetic differences between maturity rates of daughters of Holstein bulls in the Netherlands and United States [abstract]. Journal of Dairy Science. 89(Suppl. 1):16-17(abstr. M29).

Domestic Versus Imported Artificial-Insemination Semen for Holstein Graziers in the United States - (Abstract)

Norman, H.D., Wright, J.R., Powell, R.L. 2006. Domestic versus imported artificial-insemination semen for Holstein graziers in the United States [abstract]. Journal of Dairy Science. 89(Suppl. 1):136(abstr. 157).

Impact of Estimated Genetic Correlations on International Evaluations to Predict Milk Traits - (Peer Reviewed Journal)

Powell, R.L., Sanders, A.H., Norman, H.D. 2005. Impact of estimated genetic correlations on international evaluations to predict milk traits. Journal of Dairy Science. 88(10):3679-3687.

Impact of Maturity Rate of Daughters on Genetic Ranking of Holstein Bulls - (Peer Reviewed Journal)

Norman, H.D., Wright, J.R., Powell, R.L., Van Raden, P.M. 2005. Impact of maturity rate of daughters on genetic ranking of Holstein bulls. Journal of Dairy Science. 88(9):3337-3345.

Accuracy and Stability of National and International Somatic Cell Score Evaluations - (Peer Reviewed Journal)

Powell, R.L., Sanders, A.H., Norman, H.D. 2005. Accuracy and stability of national and international somatic cell score evaluations. Journal of Dairy Science. 88(7):2624-2631.

Genetic Alternatives for Dairy Producers Who Practise Grazing - (Proceedings/Symposium)

Norman, H.D., Wright, J.R., Powell, R.L. 2005. Genetic alternatives for dairy producers who practise grazing. In: Proceedings of Satellite Workshop of the XXth International Grassland Congress, July 3-6, 2005, Cork, Ireland. p. 176.

Comparison of Maturity Rate for Bull Daughters in the United States and Canada - (Abstract)

Norman, H.D., Wright, J.R., Powell, R.L., Van Raden, P.M., Miglior, F. 2005. Comparison of maturity rate for bull daughters in the United States and Canada [abstract]. Journal of Dairy Science. 88(Suppl. 1):10-11.

Major Advances in Genetic Evaluation Techniques - (Peer Reviewed Journal)

Powell, R.L., Norman, H.D. 2006. Major advances in genetic evaluation techniques. Journal of Dairy Science. 89(4):1337-1348.

Effectiveness of National and Regional Sire Evaluations in Predicting Future Daughter Milk Yield - (Peer Reviewed Journal)

Norman, H.D., Van Raden, P.M., Powell, R.L., Wright, J.R., Verboort, W.R. 2005. Effectiveness of national and regional sire evaluations in predicting future daughter milk yield. Journal of Dairy Science. 88(2):812-826.

Genetic Programs for Dairy Cattle in the United States - (Review Article)

Powell, R.L. 2004. Programas geneticos para el ganado lechero en Estados Unidos [Genetic programs for dairy cattle in the United States]. Proceedings of the Conferencia Internacional sobre Ganado Lechero [International Conference on Dairy Cattle], July 14-16, 2004, Guadalajara, Mexico. p. 123-132.

Stability of Evaluations for Active Ai Bulls - (Peer Reviewed Journal)

Powell, R.L., Sanders, A.H., Norman, H.D. 2004. Stability of genetic evaluations for active artificial insemination bulls. Journal of Dairy Science. 87(8):2614-2620.

Accuracy and Stability of National and International Somatic Cell Score Evaluations - (Abstract)

Powell, R.L., Sanders, A.H., Norman, H.D. 2004. Accuracy and stability of national and international somatic cell score evaluations [abstract]. Journal of Dairy Science. 87(Suppl. 1):87-88.

Genetic Relationships of Milk Yield for Different Parities Between Bulls and Their Sons - (Abstract)

Norman, H.D., Powell, R.L., Wright, J.R., VanRaden, P.M. 2004. Genetic relationships of milk yield for different parities between bulls and their sons [abstract]. Journal of Dairy Science. 87(Suppl. 1):413.

Merit of Obtaining Genetic Evaluations of Milk Yield for Each Parity on Holstein Bulls - (Abstract)

Norman, H.D., Wright, J.R., Powell, R.L., VanRaden, P.M. 2004. Merit of obtaining genetic evaluations of milk yield for each parity on Holstein bulls [abstract]. Journal of Dairy Science. 87(Suppl. 1):2.

Impact of Participation in Somatic Cell Count Testing on Herd Average Somatic Cell Score - (Abstract)

Norman, H.D., Sanders, A.H., Miller, R.H., Powell, R.L. 2004. Impact of participation in somatic cell count testing on herd average somatic cell score [abstract]. Journal of Dairy Science. 87(Suppl. 1):280-281.

Accuracy of Foreign Dairy Bull Evaluations in Predicting Us Evaluations for Yield - (Peer Reviewed Journal)

Powell, R.L., Sanders, A.H., Norman, H.D. 2004. Accuracy of foreign dairy bull evaluations in predicting United States evaluations for yield. Journal of Dairy Science. 87(8):2621-2626.

State and National Standardized Lactation Averages by Breed for Cows Calving in 2002 - (Government Publication)

Powell, R.L., Sanders, A.H. 2004. State and national standardized lactation averages by breed for cows calving in 2002. Animal Improvement Programs Laboratory Research Report K2-02 (2-04). Available: http://aipl.arsusda.gov/publish/dhi/current/lacavx.html.

Accuracy of Foreign Dairy Bull Evaluations in Predicting Us Evaluations for Yield - (Proceedings/Symposium)

Powell, R.L., Sanders, A.H., Norman, H.D. 2003. Accuracy of foreign dairy bull evaluations in predicting US evaluations for yield. International Bull Evaluation Service Bulletin 31:171-174.

Accuracy of Foreign Dairy Bull Evaluations in Predicting Us Evaluations for Yield - (Abstract) - (22-Jun-03)

Performance of Holsteins That Originated from Embryo Transfer Or Multiparous Births - (Abstract) - (22-Jun-03)

Performance of Holstein Clones in the United States - (Peer Reviewed Journal)

Norman, H.D., Lawlor, T.J., Wright, J.R., Powell, R.L. 2004. Performance of Holstein clones in the United States. Journal of Dairy Science. 87(3):729-738.

Progeny Testing and Selection Intensity for Holstein Bulls in Different Countries - (Peer Reviewed Journal)

Powell, R.L., Norman, H.D., Sanders, A.H. 2003. Progeny testing and selection intensity for Holstein bulls in different countries. Journal of Dairy Science. 86(10):3386-3393.

State and National Standardized Lactation Averages by Breed for Cows Calving in 2001 - (Government Publication) - (06-Mar-03)

Correlation of Longevity Evaluation with Other Trait Evaluations from 14 Countries - (Proceedings/Symposium) - (02-Mar-03)

Properties of International Longevity Evaluations and Correlations with Other Traits - (Proceedings/Symposium) - (26-May-02)

State and National Standardized Lactation Averages by Breed for Cows Calving in 2000 - (Government Publication) - (01-Apr-02)