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Jana L Hutchison
Animal Genomics and Improvement Laboratory
Animal Scientist

Phone: (301) 504-9271
Fax: (301) 504-8092

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Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Genetic and genomic evaluations of milking speed and duration from automated milk recording - (Abstract Only)
O'Connell, J.R., Miles, A.M., Hutchison, J.L., Toghiani, S., Fourdraine, R.H., Van Raden, P.M. 2024. Genetic and genomic evaluations of milking speed and duration from automated milk recording [abstract]. Journal of Dairy Science. 107(Suppl. 1):41(abstr. 1197).
System and biological effects on quantitative milking speed phenotypes from inline milk meters - (Proceedings)
Miles, A.M., Fourdraine, R., Hutchison, J.L., Sievert, S., Gaddis, K., Bewley, J., Eaglen, S., Weiker, J., Durr, J. 2023. System and biological effects on quantitative milking speed phenotypes from inline milk meters. In: Proceedings of the International Committee on Animal Recording (ICAR), May 21-26, 2023, Toledo, Spain. p. 155-159.
Standardizing lactation yields from national data with age-parity-season-region corrections for fair comparisons across individual cows and environments - (Abstract Only)
Miles, A.M., Van Raden, P.M., Hutchison, J.L., Fok, G.C., Schutz, M.M. 2023. Standardizing lactation yields from national data with age-parity-season-region corrections for fair comparisons across individual cows and environments. Journal of Dairy Science. 106(Suppl. 1):189-190(abstr. 2716).
Improving national fertility evaluations by accounting for the rapid rise of embryo transfer in US dairy cattle Reprint Icon - (Peer Reviewed Journal)
Miles, A.M., Hutchison, J.L., Van Raden, P.M. 2023. Improving national fertility evaluations by accounting for the rapid rise of embryo transfer in US dairy cattle. Journal of Dairy Science. https://doi.org/10.3168/jds.2022-22298.
Considerations in using quantitative measurements of milking speed for genetic evaluations for all dairy breeds in the USA - (Proceedings)
Miles, A.M., Fourdraine, R.F., Sievert, S., Parker Gaddis, K.L., Bewley, J., Eaglen, S., Weiker, J., Hutchison, J.L., Durr, J. 2022. Considerations in using quantitative measurements of milking speed for genetic evaluations for all dairy breeds in the USA. Interbull Bulletin. 57:48-53.
Truncation of IFT80 causes early embryonic loss in Holstein cattle associated with Holstein haplotype 2 Reprint Icon - (Peer Reviewed Journal)
Ortega, M.S., Bickhart, D.M., Lockhart, K.N., Null, D.J., Hutchison, J.L., McClure, J.C., Cole, J.B. 2022. Truncation of IFT80 causes early embryonic loss in Holstein cattle associated with Holstein haplotype 2. Journal of Dairy Science. 105(11):9001-9011. https://doi.org/10.3168/jds.2022-21853.
Considerations in using quantitative measurements of milking speed for genetic evaluations for all dairy breeds in the USA - (Proceedings)
Miles, A.M., Fourdraine, R., Sievert, S., Parker Gaddis, K.L., Bewley, J., Eaglen, S., Weiker, J., Hutchison, J.L., Durr, J. 2022. Considerations in using quantitative measurements of milking speed for genetic evaluations for all dairy breeds in the USA. Interbull Bulletin. 57:48-53.
The increasing popularity of embryo transfer has implications for U.S. dairy cattle fertility evaluations - (Abstract Only)
Miles, A.M., Hutchison, J.L., Van Raden, P.M. 2022. The increasing popularity of embryo transfer has implications for U.S. dairy cattle fertility evaluations [abstract]. Journal of Dairy Science. 105(Suppl. 1):200(abstr. 1501V).
The rising popularity of embryo transfer in U.S. dairy cattle and implications for national fertility evaluations - (Proceedings)
Miles, A.M., Hutchison, J.L., Van Raden, P.M. 2022. The rising popularity of embryo transfer in U.S. dairy cattle and implications for national fertility evaluations. World Congress of Genetics Applied in Livestock Production. https://www.wageningenacademic.com/pb-assets/wagen/WCGALP2022/52_013.pdf.
Genomic evaluation of dairy heifer livability Reprint Icon - (Peer Reviewed Journal)
Neupane, M., Hutchison, J.L., Van Tassell, C.P., Van Raden, P.M. 2021. Genomic evaluation of dairy heifer livability. Journal of Dairy Science. 104(8):8959–8965. https://doi.org/10.3168/jds.2020-19687.
Genetic and genomic evaluation of late term abortion recorded through Dairy Herd Improvement test plans - (Abstract Only)
Neupane, M., Hutchison, J.L., Cole, J.B., Van Tassell, C.P., Van Raden, P.M. 2021. Genetic and genomic evaluation of late term abortion recorded through Dairy Herd Improvement test plans [abstract]. Journal of Dairy Science. 104(Suppl 1):77(abstr. 196).
Haplotype tests for economically important traits of dairy cattle - (Government Publication)
Cole, J.B., Van Raden, P.M., Null, D.J., Hutchison, J.L., Hubbard, S.M. 2020. Haplotype tests for economically important traits of dairy cattle. AIP Research Report. GENOMICS5 (12-20).
Investigating conception rate for beef service sires bred to dairy cows and heifers Reprint Icon - (Peer Reviewed Journal)
McWhorter, T.M., Hutchison, J.L., Norman, H.D., Cole, J.B., Fok, G.C., Lourenco, D.A.L., Van Raden, P.M. 2020. Investigating conception rate for beef service sires bred to dairy cows and heifers. Journal of Dairy Science. 103(11):10374–10382. https://doi.org/10.3168/jds.2020-18399.
Haplotype- and sequence-based identification of a deletion associated with early embryonic loss in Holstein cattle and functional validation using CRISPR-Cas9 knockouts - (Abstract Only)
High-density genome-wide association study for residual feed intake in Holstein dairy cattle Reprint Icon - (Peer Reviewed Journal)
Li, B., Fang, L., Null, D.J., Hutchison, J.L., Connor, E.E., Van Raden, P.M., Cole, J.B. 2019. High-density genome-wide association study for residual feed intake in Holstein dairy cattle. Journal of Dairy Science. 102(12):11067-11080. https://doi.org/10.3168/jds.2019-16645.
Defining the optimal period length and stage of growth or lactation to estimate residual feed intake in dairy cows Reprint Icon - (Peer Reviewed Journal)
Connor, E.E., Hutchison, J.L., Van Tassell, C.P., Cole, J.B. 2019. Defining the optimal period length and stage of growth or lactation to estimate residual feed intake in dairy cows. Journal of Dairy Science. 102(7):6131–6143. https://doi.org/10.3168/jds.2018-15407.
Haplotype tests for economically important traits of dairy cattle - (Government Publication)
Van Raden, P.M., Cole, J.B., Null, D.J., Hutchison, J.L., Hubbard, S.M. 2018. Haplotype tests for economically important traits of dairy cattle. AIPL Research Reports. GENOMIC4 (12-18).
Methods to compute reliabilities for genomic predictions of feed intake - (Abstract Only)
Van Raden, P.M., Hutchison, J.L. 2018. Methods to compute reliabilities for genomic predictions of feed intake [abstract]. Journal of Dairy Science. 101(Suppl. 2):370-371(abstr. 392).
Genomic evaluation of age at first calving Reprint Icon - (Peer Reviewed Journal)
Hutchison, J.L., Van Raden, P.M., Null, D.J., Cole, J.B., Bickhart, D.M. 2017. Genomic evaluation of age at first calving. Journal of Dairy Science. 100(8):6853-6861. https://doi.org/10.3168/jds.2016-12060.
Bull fertility evaluations for Angus service sires bred to Holstein cows - (Abstract Only)
Hutchison, J.L., Van Raden, P.M., Cole, J.B., Fok, G.C., Norman, H.D. 2017. Bull fertility evaluations for Angus service sires bred to Holstein cows. Journal of Dairy Science. 100(Suppl. 2):242(abstr. T45).
Discovery of a haplotype affecting fertility in Ayrshire dairy dattle and identification of a putative causal variant - (Abstract Only)
Null, D.J., Hutchison, J.L., Bickhart, D.M., Van Raden, P.M., Cole, J.B. 2017. Discovery of a haplotype affecting fertility in Ayrshire dairy dattle and identification of a putative causal variant. Journal of Dairy Science. 100(Suppl. 2):199(abstr. 205).
Single-molecule sequencing and conformational capture enable de novo mammalian reference genomes - (Peer Reviewed Journal)
Bickhart, D.M., Rosen, B.D., Koren, S., Sayre, B.L., Hastie, A.R., Chan, S., Lee, J., Lam, E.T., Liachko, I., Sullivan, S.T., Burton, J., Huson, H.J., Kelley, C.M., Hutchison, J.L., Zhou, Y., Sun, J., Crisa, A., Ponce De Leon, F.A., Schwartz, J.C., Hammond, J.A., Waldbieser, G.C., Schroeder, S.G., Liu, G., Dunham, M., Shendure, J., Sonstegard, T.S., Phillippy, A.M., Van Tassell, C.P., Smith, T.P. 2017. Single-molecule sequencing and conformational capture enable de novo mammalian reference genomes. Nature Genetics. 49(4):643-650.
Sexed-semen usage for Holstein AI in the United States - (Abstract Only)
Hutchison, J.L., Bickhart, D.M. 2016. Sexed-semen usage for Holstein AI in the United States. Journal of Dairy Science. 99(E-Suppl. 1)/Journal of Animal Science. 94(E-Suppl. 5):176(abstr. 0372).
Exploring the feasibility of using copy number variants as genetic markers through large-scale whole genome sequencing experiments - (Abstract Only)
Bickhart, D.M., Xu, L., Hutchison, J.L., Cole, J.B., Null, D.J., Schroeder, S.G., Song, J., Garcia, J.F., Sonstegardq, T.S., Van Tassell, C.P., Schnabel, R.D., Taylor, J.F., Lewin, H.A., Liu, G. 2016. Exploring the feasibility of using copy number variants as genetic markers through large-scale whole genome sequencing experiments. Journal of Dairy Science. 99(E-Suppl. 1)/Journal of Animal Science. 94(E-Suppl. 5):142(abstr. 0306).
Whole-genome sequencing reveals the diversity of cattle copy number variations and multicopy genes - (Peer Reviewed Journal)
Bickhart, D.M., Xu, L., Hutchison, J.L., Cole, J.B., Schroeder, S.G., Song, J., Garcia, J., Van Tassell, C.P., Sonstegard, T.S., Schnabel, R.D., Taylor, J.F., Lewin, H.A., Liu, G. 2016. Whole-genome sequencing reveals the diversity of cattle copy number variations and multicopy genes. DNA Research. 23(3):253-62.
Diversity and population-genetic properties of copy number variations and multicopy genes in cattle - (Abstract Only)
Bickhart, D.M., Xu, L., Hutchison, J.L., Cole, J.B., Null, D.J., Schroeder, S.G., Song, J., Garcia, J., Van Tassell, C.P., Sonstegard, T.S., Schnabel, R.D., Taylor, J.F., Lewin, H.A., Liu, G. 2016. Diversity and population-genetic properties of copy number variations and multicopy genes in cattle [abstract]. USDA NIFA Animal Genome Program PD Meeting, January 8, 2016, San Diego, California.
Reducing animal sequencing redundancy by preferentially selecting animals with low-frequency haplotypes - (Peer Reviewed Journal)
Bickhart, D.M., Hutchison, J.L., Null, D.J., Van Raden, P.M., Cole, J.B. 2016. Reducing animal sequencing redundancy by preferentially selecting animals with low-frequency haplotypes. Journal of Dairy Science. 99(7):5526-5534.
Animal selection for whole genome sequencing by quantifying the unique contribution of homozygous haplotypes sequenced - (Abstract Only)
Bickhart, D.M., Cole, J.B., Hutchison, J.L. 2015. Animal selection for whole genome sequencing by quantifying the unique contribution of homozygous haplotypes sequenced. Journal of Dairy Science. 98(Suppl. 2)/Journal of Animal Science 93(Suppl. 3):649(abstr. W86).
Identification of copy number variable gene families in Holstein and Jersey cattle - (Abstract Only)
Bickhart, D.M., Xu, L., Hutchison, J.L., Liu, G., Lewin, H.A. 2015. Identification of copy number variable gene families in Holstein and Jersey cattle. Journal of Dairy Science. 98(Suppl. 2)/Journal of Animal Science 93(Suppl. 3):648(abstr. W84).
RAPTR-SV: a hybrid method for the detection of structural variants Reprint Icon - (Peer Reviewed Journal)
Bickhart, D.M., Hutchison, J.L., Xu, L., Schnabel, R.D., Taylor, J.F., Reecy, J.M., Schroeder, S.G., Van Tassell, C.P., Sonstegard, T.S., Liu, G. 2015. RAPTR-SV: a hybrid method for the detection of structural variants. Bioinformatics. 31(13):2084-2090.
Comparison of single-trait to multi-trait national evaluations for yield, health, and fertility - (Peer Reviewed Journal)
Van Raden, P.M., Tooker, M.E., Wright, J.R., Sun, C., Hutchison, J.L. 2014. Comparison of single-trait to multi-trait national evaluations for yield, health, and fertility. Journal of Dairy Science. 97(12):7952-7962.
The hunt for a functional mutation affecting conformation and calving traits on chromosome 18 in Holstein cattle - (Proceedings)
Cole, J.B., Hutchison, J.L., Null, D.J., Van Raden, P.M., Liu, G., Schroeder, S.G., Smith, T.P., Sonstegard, T.S., Van Tassell, C.P., Bickhart, D.M. 2014. The hunt for a functional mutation affecting conformation and calving traits on chromosome 18 in Holstein cattle. World Congress of Genetics Applied in Livestock Production. Vancouver, Canada, Aug. 17–22. 3 pp.
Using the whole read: structural variant detection using NGS data - (Proceedings)
Bickhart, D.M., Cole, J.B., Hutchison, J.L., Xu, L., Liu, G. 2014. Using the whole read: structural variant detection using NGS data. World Congress of Genetics Applied in Livestock Production. Vancouver, Canada, Aug. 17–22. 5 pp.
Population sequencing reveals breed and sub-species specific CNVs in cattle - (Abstract Only)
Bickhart, D.M., Xu, L., Hutchison, J.L., Sonstegard, T.S., Van Tassell, C.P., Schroeder, S.G., Fernando Garcia, J., Taylor, J.F., Schnabel, R.D., Lewin, H.A., Liu, G. 2014. Population sequencing reveals breed and sub-species specific CNVs in cattle. CONFERENCE ON THE BIOLOGY OF GENOMES. Conference on the Biology of Genomes, Cold Spring Harbor Laboratory, Cold Spring Harbor, NY. p199.
Multi-trait, multi-breed conception rate evaluations - (Abstract Only)
Van Raden, P.M., Wright, J.R., Sun, C., Hutchison, J.L., Tooker, M.E. 2014. Multi-trait, multi-breed conception rate evaluations. Journal of Dairy Science. 97(E-Suppl. 1):472 (abstr. 0946/T044).
Calculation and delivery of US genomic evaluations for dairy cattle - (Abstract Only)
Wiggans, G.R., Cooper, T.A., Van Raden, P.M., Null, D.J., Hutchison, J.L., Meland, O.M., Tooker, M.E., Norman, H.D. 2014. Calculation and delivery of US genomic evaluations for dairy cattle. Journal of Dairy Science. 97(E-Suppl. 1):77–78 (abstr. 0152).
Genomic evaluation, breed identification, and discovery of a haplotype affecting fertility for Ayrshire dairy cattle Reprint Icon - (Peer Reviewed Journal)
Cooper, T.A., Wiggans, G.R., Null, D.J., Hutchison, J.L., Cole, J.B. 2014. Genomic evaluation, breed identification, and discovery of a haplotype affecting fertility for Ayrshire dairy cattle. Journal of Dairy Science. 97(6):3878-3882.
Candidate causative mutation on BTA18 associated with calving and conformation traits in Holstein bulls - (Abstract Only)
Cole, J.B., Hutchison, J.L., Null, D.J., Van Raden, P.M., Liu, G., Schroeder, S.G., Sonstegard, T.S., Van Tassell, C.P., Bickhart, D.M. 2014. Candidate causative mutation on BTA18 associated with calving and conformation traits in Holstein bulls. Plant and Animal Genome Conference Proceedings. Plant Animal Genome XXII, San Diego, CA, Jan. 11–15, P1097.
The use of population-scale sequencing to identify CNVs impacting productive traits in different cattle breeds - (Abstract Only)
Bickhart, D.M., Xu, L., Hutchison, J.L., Sonstegard, T.S., Van Tassell, C.P., Schroeder, S.G., Garcia, J.F., Taylor, J.F., Schnabel, R.D., Lewin, H., Liu, G. 2014. The use of population-scale sequencing to identify CNVs impacting productive traits in different cattle breeds. Plant and Animal Genome Conference Proceedings. Plant Animal Genome XXII, San Diego, CA, Jan. 11–15, P078.
Short communication: Use of young bulls in the United States - (Peer Reviewed Journal)
Hutchison, J.L., Cole, J.B., Bickhart, D.M. 2014. Short communication: Use of young bulls in the United States. Journal of Dairy Science. 97(5):3213-3220.
Population sequencing reveals breed and sub-species specific CNVs in cattle - (Abstract Only)
Liu, G., Bickhart, D.M., Xu, L., Hutchison, J.L., Sonstegard, T.S., Van Tassell, C.P., Schroeder, S.G., Garcia, J., Taylor, J.F., Schnabel, R.D., Lewin, H.A. 2014. Population sequencing reveals breed and sub-species specific CNVs in cattle. Meeting Abstract. Advances in Genome Biology & Technology Conference Meeting Abstract. p.58.
Haplotype tests for recessive disorders that affect fertility and other traits - (Government Publication)
Cole, J.B., Van Raden, P.M., Null, D.J., Hutchison, J.L., Cooper, T.A. 2013. Haplotype tests for recessive disorders that affect fertility and other traits. AIPL Research Reports. Genomics (09-13).
Use of residual feed intake in Holsteins during early lactation shows potential to improve feed efficiency through genetic selection - (Peer Reviewed Journal)
Connor, E.E., Hutchison, J.L., Norman, H.D., Olson, K.M., Van Tassell, C.P., Leith, J.M., Baldwin, R.L. 2013. Use of residual feed intake in Holsteins during early lactation shows potential to improve feed efficiency through genetic selection. Journal of Animal Science. 91:3978-3988.
Open source tools to exploit DNA sequence data from livestock species - (Proceedings)
Bickhart, D.M., Hutchison, J.L., Xu, L., Song, J., Liu, G. 2013. Open source tools to exploit DNA sequence data from livestock species. BARC Poster Day. p. 9, abstract 4.
Optimal age at first calving for U.S. dairy cattle - (Abstract Only)
Cole, J.B., Hutchison, J.L., Bickhart, D.M., Null, D.J. 2013. Optimal age at first calving for U.S. dairy cattle. Journal of Dairy Science. 96(E-Suppl. 1):289–290 (abstr. W188).
Genomic evaluation and identification of haplotype affecting fertility for Ayrshire dairy cattle - (Abstract Only)
Cooper, T.A., Wiggans, G.R., Null, D.J., Hutchison, J.L. 2013. Genomic evaluation and identification of haplotype affecting fertility for Ayrshire dairy cattle. Journal of Dairy Science. 96(E-Suppl. 1):74 (abstr. T206).
Technical Note: Changes to herd cutoff date in conception rate evaluations - (Peer Reviewed Journal)
Hutchison, J.L., Van Raden, P.M., Norman, H.D., Cole, J.B. 2013. Technical Note: Changes to herd cutoff date in conception rate evaluations. Journal of Dairy Science. 96(2):1264-1268.
Analysis of copy number variations in Holstein cows identify potential mechanisms contributing to differences in residual feed intake - (Peer Reviewed Journal)
Hou, Y., Bickhart, D.M., Chung, H., Hutchison, J.L., Norman, H.D., Connor, E.E., Liu, G. 2012. Analysis of copy number variations in Holstein cows identify potential mechanisms contributing to differences in residual feed intake. Functional and Integrative Genomics. 12(4):717-723.
Increased use of young bulls in dairy cattle breeding programs - (Abstract Only)
Norman, H.D., Hutchison, J.L., Cole, J.B. 2012. Increased use of young bulls in dairy cattle breeding programs. Journal of Dairy Science. 95(Suppl. 2):521–522(abstr. W60). 2012.
Factors associated with frequency of abortions recorded through Dairy Herd Improvement test plans - (Peer Reviewed Journal)
Norman, H.D., Miller, R.H., Wright, J.R., Hutchison, J.L., Olson, K.M. 2012. Factors associated with frequency of abortions recorded through Dairy Herd Improvement test plans. Journal of Dairy Science. 95(7):4074-4084.
Opportunities for improving milk production efficiency in dairy cattle - (Review Article)
Connor, E.E., Hutchison, J.L., Olson, K.M., Norman, H.D. 2011. Opportunities for improving milk production efficiency in dairy cattle. Journal of Animal Science. 90:1687–1694.
Estimating feed efficiency of lactating dairy cattle using residual feed intake - (Book / Chapter)
Connor, E.E., Hutchison, J.L., Norman, H.D. 2012. Estimating feed efficiency of lactating dairy cattle using residual feed intake. In: Hill, R.A., editors. Feed Efficiency in the Beef Industry. Wiley-Blackwell, NJ. Chapter 11.
Harmful recessive effects on fertility detected by absence of homozygous haplotypes - (Peer Reviewed Journal)
Van Raden, P.M., Olson, K.M., Null, D.J., Hutchison, J.L. 2011. Harmful recessive effects on fertility detected by absence of homozygous haplotypes. Journal of Dairy Science. 94(12):6153-6161.
Reporting of haplotypes with recessive effects on fertility - (Proceedings)
Van Raden, P.M., Null, D.J., Olson, K.M., Hutchison, J.L. 2011. Reporting of haplotypes with recessive effects on fertility. Interbull Annual Meeting Proceedings. Stavanger, Norway, Aug. 26–28, 4 pp.
Evaluations for service-sire conception rate for heifer and cow inseminations with conventional and sexed semen - (Peer Reviewed Journal)
Norman, H.D., Hutchison, J.L., Van Raden, P.M. 2011. Evaluations for service-sire conception rate for heifer and cow inseminations with conventional and sexed semen. Journal of Dairy Science. 94(12):6135-6142.
Opportunities for improving milk production efficiency in dairy cattle - (Abstract Only)
Connor, E.E., Hutchison, J.L., Olson, K., Norman, H.D. 2011. Opportunities for improving milk production efficiency in dairy cattle. Joint Abstracts of the American Dairy Science and Society of Animal Science. Sci. 89 (E-Suppl. 1):2. Abstract 4.
Changes in the use of young bulls - (Abstract Only)
Olson, K.M., Hutchison, J.L., Van Raden, P.M., Norman, H.D. 2011. Changes in the use of young bulls. Journal of Animal Science 89(E-Suppl. 1)/Journal of Dairy Science 94(E-Suppl. 1):27(abstr. M67).
Effects of dam’s dry period length on heifer development - (Abstract Only)
Norman, H.D., Hutchison, J.L. 2011. Effects of dam’s dry period length on heifer development. Journal of Animal Science 89(E-Suppl. 1)/Journal of Dairy Science 94(E-Suppl. 1):27(abstr. M66).
Use of sexed semen and its effect on conception rate, calf sex, dystocia, and stillbirth of Holsteins in the United States - (Peer Reviewed Journal)
Norman, H.D., Hutchison, J.L., Miller, R.H. 2010. Use of sexed semen and its effect on conception rate, calf sex, dystocia, and stillbirth of Holsteins in the United States. Journal of Dairy Science. 93(8):3880-3890.
Comparison of Holstein service-sire fertility for heifer and cow breedings with conventional and sexed semen. - (Abstract Only)
Norman, H.D., Hutchison, J.L., Van Raden, P.M. 2010. Comparison of Holstein service-sire fertility for heifer and cow breedings with conventional and sexed semen.. Journal of Dairy Science. 93(E-Suppl. 1):595(abstr. W30).
Selection and Management of DNA Markers for Use in Genomic Evaluation - (Peer Reviewed Journal)
Wiggans, G.R., Van Raden, P.M., Bacheller, L.R., Tooker, M.E., Hutchison, J.L., Cooper, T.A., Sonstegard, T.S. 2010. Selection and management of DNA markers for use in genomic evaluation. Journal of Dairy Science. 93(5):2287-2292.
Effect of sexed-semen use on Holstein conception rate, calf sex, dystocia, and stillbirth in the United States - (Proceedings)
Norman, H.D., Hutchison, J.L. 2009. Effect of sexed-semen use on Holstein conception rate, calf sex, dystocia, and stillbirth in the United States. European Association of Animal Production Proceedings. 15:242.
Effect of sexed semen on conception rate for Holsteins in the United States - (Abstract Only)
Norman, H.D., Hutchison, J.L. 2009. Effect of sexed semen on conception rate for Holsteins in the United States. Journal of Dairy Science. 92(E-Suppl. 1):208-209(abstr. T36).
Comparison of service-sire fertility evaluations formerly or currently available to the US dairy industry - (Abstract Only)
Norman, H.D., Hutchison, J.L., Wright, J.R. 2009. Comparison of service-sire fertility evaluations formerly or currently available to the US dairy industry. Journal of Dairy Science. 92(E-Suppl. 1):122(abstr. 31). 2009.
Reproductive status of Holstein and Jersey cows in the United States - (Peer Reviewed Journal)
Norman, H.D., Wright, J.R., Hubbard, S.M., Miller, R.H., Hutchison, J.L. 2009. Reproductive status of Holstein and Jersey cows in the United States. Journal of Dairy Science. 92(7):3517-3528.
Estimates of residual feed intake in Holstein dairy cattle using an automated, continuous feed intake monitoring system - (Abstract Only)
Connor, E.E., Hutchison, J.L., Norman, H.D., Baldwin, R.L. 2009. Estimates of residual feed intake in Holstein dairy cattle using an automated, continuous feed intake monitoring system. [abstract]. Journal of Dairy Science. 92(E-Suppl. 1):123. Abstract 33.
Characterization and usage of sexed semen from US field data - (Abstract Only)
Hutchison, J.L., Norman, H.D. 2009. Characterization and usage of sexed semen from US field data. Theriogenology 71(1):48.
A National Sire Fertility Index - (Proceedings)
Norman, H.D., Hutchison, J.L., Wright, J.R., Hubbard, S.M. 2008. A national sire fertility index. Dairy Cattle Reproduction Council Proceedings. Omaha, NE, Nov. 7-8, pp. 45-52.
Sire conception rate: New national AI bull fertility evaluation - (Government Publication)
Norman, H.D., Hutchison, J.L., Wright, J.R. 2008. Sire conception rate: New national AI bull fertility evaluation. AIPL Research Reports. SRC1(7-08).
Modeling Nuisance Variables for Prediction of Service Sire Fertility - (Peer Reviewed Journal)
Kuhn, M.T., Hutchison, J.L., Norman, H.D. 2008. Modeling Nuisance Variables for Prediction of Service Sire Fertility. Journal of Dairy Science. 91(7):2823-2835.
Modeling nuisance variables for phenotypic evaluation of bull fertility - (Abstract Only)
Kuhn, M.T., Hutchison, J.L., Norman, H.D. 2008. Modeling nuisance variables for phenotypic evaluation of bull fertility. Journal of Dairy Science. 91(E-Suppl. 1):7–8 (abstr. T20).
Breed Composition of the United States Dairy Cattle Herd - (Abstract Only)
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).
Prediction of dairy bull fertility from field data: use of multiple services and identification and utilization of factors affecting bull fertility - (Peer Reviewed Journal)
Kuhn, M.T., Hutchison, J.L. 2008. Prediction of dairy bull fertility from field data: Use of multiple services and identification and utilization of factors affecting bull fertility. Journal of Dairy Science. 91(6):2481-2492.
Aim for 55-Day Dry Period for Top Production - (Popular Publication)
Hutchison, J.L., Kuhn, M.T., Norman, H.D. 2007. Aim for 55-Day Dry Period for Top Production. Jersey Journal. 54(6):73-74.
Effects of dam's dry period length on calf - (Abstract Only)
Kuhn, M.T., Hutchison, J.L., Norman, H.D. 2007. Effects of dam's dry period length on calf. Journal of Dairy Science. 90(Suppl. 1):329––330(abstr. T277).
Dry Period Length in US Jerseys: Characterization and Effects on Performance - (Peer Reviewed Journal)
Kuhn, M.T., Hutchison, J.L., Norman, H.D. 2007. Dry Period Length in US Jerseys: Characterization and Effects on Performance. Journal of Dairy Science. 90(4):2069-2081.
VOLUNTARY WAITING PERIOD AND ADOPTION OF SYNCHRONIZED BREEDING IN DAIRY HERD IMPROVEMENT HERDS - (Peer Reviewed Journal)
Miller, R.H., Norman, H.D., Kuhn, M.T., Clay, J.S., Hutchison, J.L. 2007. Voluntary waiting period and adoption of synchronized breeding in Dairy Herd Improvement herds. Journal of Dairy Science. 90(3):1594-1606.
SELECTION ON YIELD AND FITNESS TRAITS WHEN CULLING HOLSTEINS DURING THE FIRST THREE LACTATIONS - (Peer Reviewed Journal)
Norman, H.D., Hutchison, J.L., Wright, J.R., Kuhn, M.T., Lawlor, T.J. 2007. Selection on yield and fitness traits when culling Holsteins during the first three lactations. Journal of Dairy Science. 90(2):1008-1020.
CHARACTERIZATION OF HOLSTEIN HEIFER FERTILITY IN THE UNITED STATES - (Peer Reviewed Journal)
Kuhn, M.T., Hutchison, J.L., Wiggans, G.R. 2006. Characterization of Holstein heifer fertility in the United States. Journal of Dairy Science. 89(12):4907-4920.
DRY PERIOD LENGTH AFFECTS COMPONENTS, BREEDING, AND SCC - (Popular Publication)
Hutchison, J.L., Kuhn, M.T., Norman, H.D. 2006. Dry period length affects components, breeding, and SCC. Hoard's Dairyman. 151(12):484.
LET'S LOOK AGAIN AT EVALUATING DRY PERIOD LENGTH - (Popular Publication)
Kuhn, M.T., Hutchison, J.L., Norman, H.D. 2006. Let's look again at evaluating dry period length. Hoard's Dairyman. 151(11):434-435.
TRAIT SELECTION WHEN CULLING U.S. HOLSTEINS - (Proceedings)
Norman, H.D., Hutchison, J.L., Wright, J.R., Kuhn, M.T. 2006. Trait selection when culling U.S. Holsteins. 8th World Congress of Genetics Applied in Livestock Production. Communication 01-43.
HOW DRY PERIODS AFFECT LIFETIME PRODUCTION - (Popular Publication)
Hutchison, J.L., Kuhn, M.T., Norman, H.D. 2006. How dry periods affect lifetime production. Hoard's Dairyman. 151(13):526-527.
METHODOLOGY FOR PREDICTION OF BULL FERTILITY FROM FIELD DATA - (Abstract Only)
Kuhn, M.T., Hutchison, J.L. 2006. Methodology for prediction of bull fertility from field data [abstract]. Journal of Dairy Science. 89(Suppl. 1):15-16(abstr. M26).
SYNCHRONIZATION EFFECTS ON PARAMETERS FOR DAYS OPEN - (Abstract Only)
Kuhn, M.T., Hutchison, J.L., Miller, R.H. 2006. Synchronization effects on parameters for days open [abstract]. Journal of Dairy Science. 89(Suppl. 1):15(abstr. M24).
DRY PERIOD LENGTH TO MAXIMIZE PRODUCTION ACROSS ADJACENT LACTATIONS AND LIFETIME PRODUCTION - (Peer Reviewed Journal)
Kuhn, M.T., Hutchison, J.L., Norman, H.D. 2006. Dry period length to maximize production across adjacent lactations and lifetime production. Journal of Dairy Science. 89(5):1713-1722.
EFFECTS OF LENGTH OF DRY PERIOD ON YIELDS OF MILK FAT AND PROTEIN, FERTILITY AND MILK SOMATIC CELL SCORE IN THE SUBSEQUENT LACTATION OF DAIRY COWS - (Peer Reviewed Journal)
Kuhn, M.T., Hutchison, J.L., Norman, H.D. 2006. Effects of length of dry period on yields of milk fat and protein, fertility and milk somatic cell score in the subsequent lactation of dairy cows. Journal of Dairy Research. 73(2):154-162.
MINIMUM DAYS DRY TO MAXIMIZE MILK YIELD IN SUBSEQUENT LACTATION - (Peer Reviewed Journal)
Kuhn, M.T., Hutchison, J.L., Norman, H.D. 2005. Minimum days dry to maximize milk yield in subsequent lactation. Animal Research. 54:351-367.
EFFECTS OF COMPLEX VERTEBRAL MALFORMATION GENE ON PRODUCTION AND REPRODUCTION - (Abstract Only)
Kuhn, M.T., Hutchison, J.L., Van Tassell, C.P. 2005. Effects of complex vertebral malformation gene on production and reproduction [abstract]. Journal of Dairy Science. 88(Suppl. 1):140.
FACTORS AFFECTING HEIFER FERTILITY IN US HOLSTEINS - (Abstract Only)
Kuhn, M.T., Hutchison, J.L. 2005. Factors affecting heifer fertility in US Holsteins [abstract]. Journal of Dairy Science. 88(Suppl. 1):11.
SELECTION INTENSITY FOR YIELD TRAITS, SOMATIC CELL SCORE, AND DAYS OPEN WHEN CULLING DAIRY COWS - (Abstract Only)
Norman, H.D., Hutchison, J.L., Kuhn, M.T., Wright, J.R., Hare, E. 2005. Selection intensity for yield traits, somatic cell score, and days open when culling dairy cows [abstract]. Journal of Dairy Science. 88(Suppl. 1):140.
METHODOLOGY FOR ESTIMATION OF DAYS DRY EFFECTS - (Peer Reviewed Journal)
Kuhn, M.T., Hutchison, J.L. 2005. Methodology for estimation of days dry effects. Journal of Dairy Science. 88(4):1499-1508.
CHARACTERIZATION OF DAYS DRY FOR UNITED STATES HOLSTEINS - (Peer Reviewed Journal)
Kuhn, M.T., Hutchison, J.L., Norman, H.D. 2005. Characterization of days dry for United States Holsteins. Journal of Dairy Science. 88(3):1147-1155.
PREDICTION OF SERVICE SIRE FERTILITY - (Abstract Only)
Kuhn, M.T., Hutchison, J.L., Clay, J.S. 2004. Prediction of service sire fertility [abstract]. Journal of Dairy Science. 87(Suppl. 1):412.
MINIMUM DRY PERIOD LENGTH TO MAXIMIZE PERFORMANCE - (Abstract Only)
Kuhn, M.T., Hutchison, J.L., Norman, H.D. 2004. Minimum dry period length to maximize performance [abstract]. Journal of Dairy Science. 87(Suppl. 1):56.
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.
USING ACTIVITY AND MILK YIELD AS PREDICTORS OF FRESH COW DISORDERS - (Peer Reviewed Journal)
Hutchison, J.L., Tozer, P.R. 2004. Using activity and milk yield as predictors of fresh cow disorders. Journal of Dairy Science. 87(2):524-531.
PREDICTING DAYS OPEN FOR GENETIC EVALUATION OF FEMALE FERTILITY IN U.S. DAIRY CATTLE - (Abstract Only)