Search Results - "Zwald, N.R." :: K.UTB vyhledávací portál

Loading…

Genetic Selection for Health Traits Using Producer-Recorded Data. I. Incidence Rates, Heritability Estimates, and Sire Breeding Values

by Zwald, N.R., Weigel, K.A., Chang, Y.M., Welper, R.D., Clay, J.S.
Published in Journal of dairy science (01.12.2004)

Get full text

Journal Article

Loading…

Survey of Management Practices on Reproductive Performance of Dairy Cattle on Large US Commercial Farms

by Caraviello, D.Z., Weigel, K.A., Fricke, P.M., Wiltbank, M.C., Florent, M.J., Cook, N.B., Nordlund, K.V., Zwald, N.R., Rawson, C.L.
Published in Journal of dairy science (01.12.2006)

Get full text

Journal Article

Loading…

Management practices associated with conception rate and service rate of lactating Holstein cows in large, commercial dairy herds

by Schefers, J.M., Weigel, K.A., Rawson, C.L., Zwald, N.R., Cook, N.B.
Published in Journal of dairy science (01.04.2010)

Get full text

Journal Article

Loading…

Identification of Factors That Cause Genotype by Environment Interaction Between Herds of Holstein Cattle in Seventeen Countries

by Zwald, N.R., Weigel, K.A., Fikse, W.F., Rekaya, R.
Published in Journal of dairy science (01.03.2003)

Get full text

Journal Article

Loading…

Relationship Between Individual Herd-Heritability Estimates and Sire Misidentification Rate

by Dechow, C.D., Norman, H.D., Zwald, N.R., Cowan, C.M., Meland, O.M.
Published in Journal of dairy science (01.04.2008)

Get full text

Journal Article

Loading…

Genetic Selection for Health Traits Using Producer-Recorded Data. II. Genetic Correlations, Disease Probabilities, and Relationships with Existing Traits

by Zwald, N.R., Weigel, K.A., Chang, Y.M., Welper, R.D., Clay, J.S.
Published in Journal of dairy science (01.12.2004)

Get full text

Journal Article

Loading…

Genetic Analysis of Clinical Mastitis Data from On-Farm Management Software Using Threshold Models

by Zwald, N. R, Weigel, K. A, Chang, Y. M, Welper, R. D, Clay, J. S
Published in Journal of dairy science (01.01.2006)

Get full text

Journal Article

Loading…

Genetic Evaluation of Dairy Sires for Milking Duration Using Electronically Recorded Milking Times of Their Daughters

by Zwald, N. R, Weigel, K. A, Chang, Y. M, Welper, R. D, Clay, J. S
Published in Journal of dairy science (01.03.2005)

Get full text

Journal Article

Loading…

Application of a Multiple-Trait Herd Cluster Model for Genetic Evaluation of Dairy Sires from Seventeen Countries

by Zwald, N.R., Weigel, K.A., Fikse, W.F., Rekaya, R.
Published in Journal of dairy science (01.01.2003)

Get full text

Journal Article

Loading…

International Genetic Evaluation of Dairy Sires Using a Multiple-Trait Model with Individual Animal Performance Records

by Weigel, K.A., Rekaya, R., Zwald, N.R., Fikse, W.F.
Published in Journal of dairy science (01.12.2001)

Get full text

Journal Article

Loading…

The Effect of Synchronization on Genetic Parameters of Reproductive Traits in Dairy Cattle

by Goodling, R.C., Shook, G.E., Weigel, K.A., Zwald, N.R.
Published in Journal of dairy science (01.06.2005)

Get full text

Journal Article

Loading…

Genetic Parameters for Conformation Traits in Herds that Differ in Mean Final Score and Completeness of Pedigree and Performance Data

by Zwald, N.R., Weigel, K.A., Lawlor, T.J.
Published in Journal of dairy science (01.01.2005)

Get full text

Journal Article

Loading…

Characterization of Dairy Production Systems in Countries that Participate in the International Bull Evaluation Service

by Zwald, N.R., Weigel, K.A., Fikse, W.F., Rekaya, R.
Published in Journal of dairy science (01.11.2001)

Get full text

Journal Article

Loading…

Extent and Benefits of Multi-Country Progeny Testing of Young Dairy Sires

by Weigel, K.A., Zwald, N.R.
Published in Journal of dairy science (01.05.2002)

Get full text

Journal Article

Refine Results

Format

Subject Area

Topic

Language

Year of Publication

Database