Projects

IMPROVING GENETIC PREDICTIONS FOR DAIRY ANIMALS USING PHENOTYPIC AND GENOMIC INFORMATION Appropriated (D)   Accession Number: 412342

ENHANCED PRODUCTIVE LIFE IN MERIT INDEXES Specific Cooperative Agreement (S)   Accession Number: 408684

Publications

Efficient Methods to Compute Genomic Predictions - (Peer Reviewed Journal)

Van Raden, P.M. 2008. Efficient Methods to Compute Genomic Predictions. Journal of Dairy Science. 91(11):4414-4423.

Genomic signatures of artificial selection in U.S. Holstein cows - (Abstract) - (20-Jun-08)

Strategies to incorporate genomic prediction into population-wide genetic evaluations - (Abstract)

Gengler, N., Van Raden, P.M. 2008. Strategies to incorporate genomic prediction into population-wide genetic evaluations. Journal of Dairy Science. 91(E-Suppl. 1):506(abstr. 523).

Reliability of genomic predictions for North American dairy bulls - (Abstract)

Van Raden, P.M., Van Tassell, C.P., Wiggans, G.R., Sonstegard, T.S., Schnabel, R.D., Schenkel, F. 2008. Reliability of genomic predictions for North American dairy bulls. Journal of Dairy Science. 91(E-Suppl. 1):305(abstr. 261).

Effects of allele frequency estimation on genomic predictions and inbreeding coefficients - (Abstract)

Van Raden, P.M., Tooker, M.E., Gengler, N. 2008. Effects of allele frequency estimation on genomic predictions and inbreeding coefficients. Journal of Dairy Science. 91(E-Suppl. 1):506(abstr. 522).

Selection of single nucleotide polymorphisms and genotype quality for genomic prediction of genetic merit in dairy cattle - (Abstract)

Wiggans, G.R., Sonstegard, T.S., Van Raden, P.M., Matukumalli, L.K., Schnabel, R.D., Taylor, J.F., Schenkel, F.S., Van Tassell, C.P. 2008. Selection of single nucleotide polymorphisms and genotype quality for genomic prediction of genetic merit in dairy cattle. Journal of Dairy Science. 91(E-Suppl. 1):507(abstr. 524).

Genomic Measures of Relationship and Inbreeding - (Proceedings/Symposium)

Van Raden, P.M. 2007. Genomic Measures of Relationship and Inbreeding. Interbull Annual Meeting Proceedings. Interbull Bulletin 37:33-36.

Prediction of Genetic Correlations and International Breeding Values for Missing Traits - (Peer Reviewed Journal)

Mark, T., Fikse, W.F., Sullivan, P.G., Van Raden, P.M. 2007. Prediction of Correlations and International Breeding Values for Missing Traits. Journal of Dairy Science. 90(10):4805-4813.

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.

Modeling Extended Lactations of Holsteins - (Peer Reviewed Journal)

Dematawewa, C., Pearson, R.E., Van Raden, P.M. 2007. Modeling Extended Lactations of Holsteins. Journal of Dairy Science. 90(8):3924-3936.

Efficient estimation of breeding values from dense genomic data - (Abstract)

Van Raden, P.M. 2007. Efficient estimation of breeding values from dense genomic data. Journal of Dairy Science. 90(Suppl. 1):374¿¿375 (abstr. 414).

Methods to explain genomic estimates of breeding value - (Abstract)

Van Raden, P.M., Tooker, M.E. 2007. Methods to explain genomic estimates of breeding value. Journal of Dairy Science. 90(Suppl. 1):374(abstr. 413).

Effect of service sire and cow sire on gestation length - (Abstract)

Norman, H.D., Wright, J.R., Van Raden, P.M., Cole, J.B. 2007. Effect of service sire and cow sire on gestation length. Journal of Dairy Science. 90(Suppl. 1):194(abstr. 230).

STILLBIRTH (C0)VARIANCE COMPONENTS FOR A SIRE-MATERNAL GRANDSIRE THRESHOLD MODEL AND DEVELOPMENT OF A CALVING ABILITY INDEX FOR SIRE SELECTION - (Peer Reviewed Journal)

Cole, J.B., Wiggans, G.R., Van Raden, P.M., Miller, R.H. 2007. Stillbirth (co)variance components for a sire-maternal grandsire threshold model and development of a calving ability index for sire selection. Journal of Dairy Science. 90(5):2489-2496.

Genetic Evaluations for Mixed-Breed Populations - (Peer Reviewed Journal)

Van Raden, P.M., Tooker, M.E., Cole, J.B., Wiggans, G.R., Megonigal Jr, J.H. 2007. Genetic Evaluations for Mixed-Breed Populations. Journal of Dairy Science. 90(5):2434-2441.

Productive Life Credits for Cows Revised - (Popular Publication)

Van Raden, P.M., Dematwewa, M., Pearson, R.E., Tooker, M.E. 2006. Productive Life Credits for Cows Revised. California Dairy. 15(9):18.

GENETIC EVALUATION OF STILLBIRTH IN UNITED STATES HOLSTEINS USING A SIRE-MATERNAL GRANDSIRE THRESHOLD MODEL - (Peer Reviewed Journal)

Cole, J.B., Wiggans, G.R., Van Raden, P.M. 2007. Genetic evaluation of stillbirth in United States Holsteins using a sire-maternal grandsire threshold model. Journal of Dairy Science. 90(5):2480-2488.

NET MERIT RECEIVES FACE-LIFT - (Popular Publication)

Seykora, T., Van Raden, P.M., Cole, J.B. 2006. Net merit receives face-lift. Hoard's Dairyman. 151(14):557.

NORMALITY AND SKEWNESS OF GENETIC EVALUATIONS - (Proceedings/Symposium)

Van Raden, P.M. 2006. Normality and skewness of genetic evaluations. Interbull Annual Meeting Proceedings. Interbull Bull. 35:164-167.

PRIOR GENETIC CORRELATIONS AND NON-MEASURED TRAITS - (Proceedings/Symposium)

Mark, T., Sullivan, P.G., Fikse, W.F., Van Raden, P.M. 2006. Prior genetic correlations and non-measured traits. Interbull Annual Meeting Proceedings. Interbull Bull. 35:72-75.

PREDICTING GENETIC INTERACTIONS WITHIN AND ACROSS BREEDS - (Proceedings/Symposium)

Van Raden, P.M. 2006. Predicting genetic interactions within and across breeds. 8th World Congress of Genetics Applied in Livestock Production. Communication 01-39.

GENETIC EVALUATION OF STILLBIRTH IN UNITED STATES HOLSTEINS USING A SIRE-MATERNAL GRANDSIRE THRESHOLD MODEL - (Proceedings/Symposium)

Cole, J.B., Wiggans, G.R., Van Raden, P.M. 2006. Genetic evaluation of stillbirth in United States Holsteins using a sire-maternal grandsire threshold model. 8th World Congress of Genetics Applied in Livestock Production. Communication 01-28.

PREDICTION OF INTERNATIONAL BREEDING VALUES FOR NON-MEASURED TRAITS: APPLICATION TO CLINICAL MASTITIS - (Proceedings/Symposium)

Mark, T., Fikse, W.F., Sullivan, P.G., Van Raden, P.M. 2006. Prediction of international breeding values for non-measured traits: application to clinical mastitis. 8th World Congress of Genetics Applied in Livestock Production. Communication 01-31.

FERTILITY TRAIT ECONOMICS AND CORRELATIONS WITH OTHER TRAITS - (Proceedings/Symposium)

Van Raden, P.M. 2006. Fertility trait economics and correlations with other traits. Interbull Annual Meeting Proceedings. Interbull Bull. 34:53-56.

GENETIC CALVING EASE STUDY ON CROSSBREDS - (Popular Publication)

Cole, J.B., Goodling, R.C., Wiggans, G.R., Van Raden, P.M. 2006. Genetic calving ease study on crossbreds. Jersey Journal. 53(3):83-84.

GENETIC EVALUATIONS FOR MIXED BREED POPULATIONS - (Abstract)

Van Raden, P.M., Tooker, M.E., Cole, J.B., Wiggans, G.R., Megonigal Jr, J.H. 2006. Genetic evaluations for mixed breed populations [abstract]. Journal of Dairy Science. 89(Suppl. 1):98(abstr. 40).

REVISED ESTIMATES OF LIFETIME NET MERIT FOR DAIRY BREEDS AND BREED CROSSES - (Abstract)

Van Raden, P.M., Tooker, M.E. 2006. Revised estimates of lifetime net merit for dairy breeds and breed crosses [abstract]. Journal of Dairy Science. 89(Suppl. 1):246-247(abstr. 255).

MODELING EXTENDED LACTATIONS IN HOLSTEINS - (Abstract)

Dematawewa, C., Pearson, R.E., Van Raden, P.M. 2006. Modeling extended lactations in Holsteins [abstract]. Journal of Dairy Science. 89(Suppl. 1):96-97(abstr. 35).

STILLBIRTH (CO)VARIANCE COMPONENTS FOR A SIRE-MATERNAL GRANDSIRE THRESHOLD MODEL - (Abstract)

Cole, J.B., Wiggans, G.R., Van Raden, P.M., Miller, R.H. 2006. Stillbirth (co)variance components for a sire-maternal grandsire threshold model [abstract]. Journal of Dairy Science. 89(Suppl. 1):273(abstr. 339).

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).

PRODUCTIVE LIFE INCLUDING ALL LACTATIONS AND LONGER LACTATIONS WITH DIMINISHING CREDITS - (Peer Reviewed Journal)

Van Raden, P.M., Dematawewa, C., Pearson, R.E., Tooker, M.E. 2006. Productive life including all lactations and longer lactations with diminishing credits. Journal of Dairy Science. 89(8):3213-3220.

EFFECTS OF NON-ADDITIVE GENETIC INTERACTIONS, INBREEDING, AND RECESSIVE DEFECTS ON EMBRYO AND FETAL LOSS BY 70 DAYS - (Peer Reviewed Journal)

Van Raden, P.M., Miller, R.H. 2006. Effects of non-additive genetic interactions, inbreeding, and recessive defects on embryo and fetal loss by 70 days. Journal of Dairy Science. 89(7):2716-2121.

GENETIC EVALUATION AND BEST PREDICTION OF LACTATION PERSISTENCY - (Peer Reviewed Journal)

Cole, J.B., Van Raden, P.M. 2006. Genetic evaluation and best prediction of lactation persistency. Journal of Dairy Science. 89(7):2722-2728.

AN EXAMPLE FROM THE DAIRY INDUSTRY: THE NET MERIT INDEX - (Proceedings/Symposium)

Van Raden, P.M. 2005. An example from the dairy industry: the net merit index. In: Proceedings of the Beef Improvement Federation's 37th Annual Research Symposium and Annual Meeting, July 6-9, 2005, Billings, Montana, pp 96-100.

INBREEDING ADJUSTMENTS AND EFFECT ON GENETIC TREND ESTIMATES - (Proceedings/Symposium)

Van Raden, P.M. 2005. Inbreeding adjustments and effect on genetic trend estimates. International Bull Evaluation Service Bulletin 33:81-84.

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.

PRODUCTIVE LIFE INCLUDING ALL LACTATIONS, LONGER LACTATIONS, AND CALF VALUE - (Abstract)

Van Raden, P.M., Tooker, M.E. 2005. Productive life including all lactations, longer lactations, and calf value [abstract]. Journal of Dairy Science. 88(Suppl. 1):378.

EFFECT OF HERD BY SIRE INTERACTION VARIANCE ON GENETIC EVALUATIONS - (Abstract)

Van Raden, P.M., Tooker, M.E. 2005. Effect of herd by sire interaction variance on genetic evaluations [abstract]. Journal of Dairy Science. 88(Suppl. 1):353.

GENETIC EVALUATION AND BEST PREDICTION OF LACTATION PERSISTENCY - (Abstract)

Cole, J.B., Van Raden, P.M. 2005. Genetic evaluation and best prediction of lactation persistency [abstract]. Journal of Dairy Science. 88(Suppl. 1):379-380.

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.

GENETIC EVALUATION OF CALVING EASE FOR BROWN SWISS AND JERSEY BULLS FROM PUREBRED AND CROSSBRED CALVINGS - (Peer Reviewed Journal)

Cole, J.B., Goodling Jr, R.C., Wiggans, G.R., Van Raden, P.M. 2005. Genetic evaluation of calving ease for Brown Swiss and Jersey bulls from purebred and crossbred calvings. Journal of Dairy Science. 88(4):1529-1539.

GENETIC BASE CHANGE FOR FEBRUARY 2005 - (Government Publication)

Van Raden, P.M., Tooker, M.E. 2004. Genetic base change for February 2005. AIPL Research Report Base1 (10-04). Available: http://aipl.arsusda.gov/reference/base2005.htm

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.

OPTIMUM GENETIC CHOICES FOR DAIRY PRODUCERS USING GRAZING PRACTICES - (Abstract)

Norman, H.D., Van Tassell, C.P., VanRaden, P.M. 2004. Optimum genetic choices for dairy producers using grazing practices [abstract]. Proceedings of 2004 Conference of the American Forage and Grassland Council 13:20, 219.

CHOICE OF SCALES FOR DELIVERY OF GENETIC EVALUATIONS TO THE PUBLIC - (Proceedings/Symposium)

Van Raden, P.M. 2004. Choice of scales for delivery of genetic evaluations to the public. International Bull Evaluation Service Bulletin 32:118-121.

FEASIBILITY OF MACE FOR LONGEVITY FOR COLORED BREEDS - (Proceedings/Symposium)

Jakobsen, J.H., Fikse, W.F., Van Raden, P.M. 2004. Feasibility of MACE for longevity for colored breeds. International Bull Evaluation Service Bulletin 32:59-63.

SELECTION ON NET MERIT TO IMPROVE LIFETIME PROFIT - (Peer Reviewed Journal)

Van Raden, P.M. 2004. Selection on net merit to improve lifetime profit. Journal of Dairy Science. 87(10):3125-3131.

BREED COMPOSITION CODES FOR CROSSBRED DAIRY CATTLE IN THE UNITED STATES - (Abstract)

Cole, J.B., Tooker, M.E., VanRaden, P.M., and Megonigal, Jr., J.H. Breed composition codes for crossbred dairy cattle in the United States. [abstract]. In: Proceedings of Beltsville Agricultural Research Center Poster Day 2004, April 29, 2004, Beltsville, Maryland. Abstract 34.

DURATION OF HERD PARTICIPATION IN DAIRY HERD IMPROVEMENT MILK RECORDING IN THE UNITED STATES - (Peer Reviewed Journal)

Hare, E.M., Norman, H.D., Wright, J.R., Van Raden, P.M. 2004. Duration of herd participation in Dairy Herd Improvement milk recording in the United States. Journal of Dairy Science. 87(8):2743-2747.

BODY CONDITION SCORES AND DAIRY FORM EVALUATIONS AS INDICATORS OF DAYS OPEN IN US HOLSTEINS - (Peer Reviewed Journal)

Dechow, C.D., Rogers, G.W., Klei, L., Lawlor, T.J., Van Raden, P.M. 2004. Body condition scores and dairy form evaluations as indicators of days open in US Holsteins. Journal of Dairy Science. 87(10):3534-3541.

GENETIC BASE AND TRAIT DEFINITION UPDATE - (Abstract)

VanRaden, P.M. 2004. Genetic base and trait definition update [abstract]. Journal of Dairy Science. 87(Suppl. 1):412.

CONTRIBUTION OF INBREEDING AND RECESSIVE DEFECTS TO EARLY EMBRYO LOSSES - (Abstract)

VanRaden, P.M., Miller, R.H. 2004. Contribution of inbreeding and recessive defects to early embryo losses [abstract]. Journal of Dairy Science. 87(Suppl. 1):3.

HETEROSIS AND BREED DIFFERENCES FOR DAUGHTER PREGNANCY RATE IN CROSSBRED DAIRY COWS - (Abstract)

VanRaden, P.M., Tooker, M.E., Cole, J.B. 2004. Heterosis and breed differences for daughter pregnancy rate in crossbred dairy cows [abstract]. Journal of Dairy Science. 87(Suppl. 1):284.

ACCOUNTING FOR DIFFERENCES IN RATE OF MATURITY IN YIELD EVALUATIONS - (Abstract)

Wiggans, G.R., VanRaden, P.M. 2004. Accounting for differences in rate of maturity in yield evaluations [abstract]. Journal of Dairy Science. 87(Suppl. 1):412.

BREED COMPOSITION CODES FOR CROSSBRED DAIRY CATTLE IN THE UNITED STATES - (Abstract)

Cole, J., Tooker, M., VanRaden, P., Megonigal, J., Jr. 2004. Breed composition codes for crossbred dairy cattle in the United States [abstract]. Journal of Dairy Science. 87(Suppl. 1):284-285.

ESTIMATION OF THE ECONOMIC IMPACT OF A UNIT CHANGE IN PTA FOR DAUGHTER PREGNANCY RATE - (Abstract)

Yook, E., Pearson, R.E., VanRaden, P.M. 2004. Estimation of the economic impact of a unit change in PTA for daughter pregnancy rate [abstract]. Journal of Dairy Science. 87(Suppl. 1):413.

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.

ANALYSIS OF DAUGHTER PREGNANCY RATES AND ESTIMATED RELATIVE CONCEPTION RATES FOR A BIMODAL DISTRIBUTION - (Abstract)

Schlesser, H.N., Shanks, R.D., Rodriguez-Zas, S.L., Clay, J.S., VanRaden, P.M., Berger, P.J., Healey, M.H. 2004. Analysis of daughter pregnancy rates and estimated relative conception rates for a bimodal distribution [abstract]. Journal of Dairy Science. 87(Suppl. 1):3.

DEVELOPMENT OF A NATIONAL GENETIC EVALUATION FOR COW FERTILITY - (Peer Reviewed Journal)

Van Raden, P.M., Sanders, A.H., Tooker, M.E., Miller, R.H., Norman, H.D., Kuhn, M.T., Wiggans, G.R. 2004. Development of a national genetic evaluation for cow fertility. Journal of Dairy Science. 87(7):2285-2292.

USE OF EARLY LACTATION DAYS OPEN RECORDS FOR GENETIC EVALUATION OF COW FERTILITY - (Peer Reviewed Journal)

Kuhn, M.T., Van Raden, P.M., Hutchison, J.L. 2004. Use of early lactation days open records for genetic evaluation of cow fertility. Journal of Dairy Science. 87(7):2277-2284.

GENETIC EVALUATIONS FOR FITNESS AND FERTILITY IN THE UNITED STATES AND OTHER NATIONS - (Proceedings/Symposium)

Van Raden, P.M. 2003. Genetic evaluations for fitness and fertility in the United States and other nations. Proceedings of National Genetics Workshop, Raleigh, North Carolina, October 20-21, 2003. p. 103-106.

CHANGES TO NET MERIT USHERED IN WITH AUGUST PROOFS - (Popular Publication) - (04-Aug-03)

NET MERIT AS A MEASURE OF LIFETIME PROFIT: 2003 REVISION - (Government Publication) - (22-Jul-03)

QUALITY OF DATA INCLUDED IN GENETIC EVALUATIONS FOR DAUGHTER PREGNANCY RATE - (Abstract) - (22-Jun-03)

DEFINITION OF TRAITS AND COMPARISON OF MODELS FOR GENETIC EVALUATION OF COW FERTILITY - (Abstract) - (22-Jun-03)

STANDARDIZATION OF LACTATION RECORDS FOR VARIANCE OF MENDELIAN SAMPLING TO REDUCE BIAS IN EVALUATIONS OF BULL DAMS - (Abstract) - (22-Jun-03)

USE OF EARLY LACTATION DAYS OPEN RECORDS FOR GENETIC EVALUATION OF COW FERTILITY - (Abstract) - (22-Jun-03)

CHARACTERISTICS OF GENETIC EVALUATIONS FOR DAUGHTER FERTILITY IN RELATION TO OTHER FITNESS TRAITS - (Abstract) - (22-Jun-03)

GENETIC CORRELATION ESTIMATES AMONG BODY CONDITION SCORE, DAIRY FORM, DAYS OPEN AND PRODUCTION TRAITS FOR US HOLSTEINS - (Abstract) - (22-Jun-03)

DETECTION OF QUANTITATIVE TRAIT LOCI AFFECTING MILK PRODUCTION, HEALTH, AND REPRODUCTIVE TRAITS IN HOLSTEIN CATTLE - (Peer Reviewed Journal)

Ashwell, M.S., Heyen, D.W., Sonstegard, T.S., Van Tassell, C.P., Da, Y., Van Raden, P.M., Ron, M., Weller, J.I., Lewin, H.A. 2004. Detection of quantitative trait loci affecting milk production,health, and reproductive traits in Holstein cattle. Journal of Dairy Science. vol. 87(2): pp. 468-75.

PREDICTING DAYS OPEN FOR GENETIC EVALUATION OF FEMALE FERTILITY IN U.S. DAIRY CATTLE - (Abstract) - (01-May-03)

DETECTION AND ADJUSTMENT OF ABNORMAL TEST-DAY YIELDS - (Peer Reviewed Journal) - (19-Mar-03)

FERTILITY IS NOW A SELECTION TRAIT - (Popular Publication) - (10-Mar-03)

LONGEVITY AND FERTILITY TRAIT DEFINITIONS COMPARED IN THEORY AND SIMULATION - (Proceedings/Symposium) - (02-Mar-03)

CORRELATION OF LONGEVITY EVALUATION WITH OTHER TRAIT EVALUATIONS FROM 14 COUNTRIES - (Proceedings/Symposium) - (02-Mar-03)

DAUGHTER PREGNANCY RATE EVALUATION OF COW FERTILITY - (Government Publication) - (10-Dec-02)

PROPERTIES OF INTERNATIONAL LONGEVITY EVALUATIONS AND CORRELATIONS WITH OTHER TRAITS - (Proceedings/Symposium) - (26-May-02)