Leslie B. Hansen
Professor
Dairy Genetics
Publications (continued)
- Refereed Articles -
Fuquay, J.W., R.T. Marshall, W.P. Weiss, H.A. Tucker, L.B. Hansen, and R.K. McGuffey. 2006. Foreword - Centennial issue: Major advances in dairy science in the last 25 years. J. Dairy Sci. 89:1121.
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2006.
Calving difficulty and stillbirths of pure Holsteins versus crossbreds of Holstein with Normande, Montbeliarde, and Scandinavian Red.
J. Dairy Sci. 89: 2805-2810.
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2006. Fertility and survival of pure Holsteins versus crossbreds of Holstein with Normande, Montbeliarde, and Scandinavian Red. J. Dairy Sci. 89: 4944-4951.
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2006.
Production of pure Holsteins versus crossbreds of Holstein with Normande, Montbeliarde, and Scandinavian Red.
J. Dairy Sci. 89: 2799-2804.
Kay, J.K., W.J. Weber, C.E. Moore, D.E. Bauman, L.B. Hansen, H. Chester-Jones, B.A. Crooker, and L.H. Baumgard. 2005. Effects of week of lactation and genetic selection for milk yield on milk fatty acid composition in Holstein cows. J. Dairy Sci. 88:3886-3893.
Weber, W.J., L.H. Baumgard, G.W. Kazmer, S.A. Zinn, L.B. Hansen, H. Chester-Jones, and B.A. Crooker. 2005. Growth hormone response to growth hormone releasing hormone in calves that differ in genetic merit for milk yield. J. Dairy Sci. 88:1723-1731.
Baumgard, L.H.,
W.J. Weber, G.W. Kazmer, S.A. Zinn, L.B. Hansen, H. Chester-Jones,
and B.A. Crooker. 2002. Effects of selection for milk yield on growth
hormone response to growth hormone releasing factor in growing Holstein
calves. J. Dairy Sci. 85:2529-2540.
Chrystal, M.A.,
A.J. Seykora, L.B. Hansen, A.E. Freeman, D.H. Kelley, and M.H. Healey.
2001. Heritability of teat-end shape and the relationship of teat-end
shape with somatic cell score for an experimental herd of cows. J.
Dairy Sci. 84:2549-2554.
Hansen, L.B. 2000. Consequences of selection for milk yield from a geneticist's point of view. J. Dairy Sci. 83:1145-1150.
Kelm, S.C., A.E. Freeman, A.L. Brundage, R.E. Pearson, T.G. Martin, L.D. McGilliard, L.B. Hansen, C.W. Young, H.H. Voelker, G.E. Shook and W.J. Tyler. 2000. Direct and correlated responses to selection for milk yield: Results and conclusions of regional project NC-2, "Improvement of dairy cattle through breeding, with emphasis on selection." J. Dairy Sci. 83:2721-2732.
Nash, D.L., G.W. Rogers, J.B. Cooper, G.L Hargrove, J.F. Keown, and L.B. Hansen. 2000. Heritability of clinical mastitis incidence and relationships with sire transmitting abilities for somatic cell score, udder type traits, productive life, and protein yield. J. Dairy Sci. 83:2350-2360.
Chrystal, M.A., A.J. Seykora, and L.B. Hansen. 1999. Heritabilities of teat end shape and teat diameter and their relationships with somatic cell score. J. Dairy Sci. 82:2017-2022.
Hansen, L.B.,
J.B. Cole, G.D. Marx, and A.J. Seykora. 1999. Productive life
and reasons for disposal of Holstein cows selected for large versus
small body size. J. Dairy Sci. 82:795-801.
Starkenburg,
R.J., L.B. Hansen, M.E. Kehrli, Jr., and H. Chester-Jones. 1997.
Frequencies and effects of alternative DRB3.2 alleles of bovine
lymphocyte antigen for Holsteins in milk selection and control
lines. J. Dairy Sci. 80:3411-3419.
Jones, W.P.,
L.B. Hansen, and H. Chester-Jones. 1994. Response of health care
to selection for milk yield of dairy cattle. J. Dairy Sci. 77:3137-3152.
- Invited Presentations/World Congress on Genetics Applied to Livestock Production -
(held at 4-year intervals)
2006 “Monitoring the worldwide genetic supply for dairy cattle with emphasis on managing crossbreeding and inbreeding”
8th World Congress, Belo Horizonte, Brazil
1998 “Body size of lactating dairy cows: Results of divergent selection for over 30 years”
6th World Congress, Armidale, Australia
1990 “Net value of genetic improvement: Current stocks versus controls”
4th World Congress, Edinburgh, Scotland
- Invited Presentations/Other -
- 2006 -
"Breeding healthy, fertile, high-producing dairy cows”
Educational program for dairy producers
North Dakota Dairy & Pork Producers’ Convention
- November 28, 2006; Fargo, North Dakota
“Why are dairy producers crossbreeding?”
Guest invited speaker
Board of Directors, Holstein Association USA
- November 17, 2006; Fresno, California
“Holstein cows mated to A.I. sires from the Scandinavian Red, Montbeliarde, and Normande breeds”
Educational program for dairy producers
International Seminar on Competitive Milk Production
Sponsored by Colanta Corporation (Colombia’s major milk processor)
- October 19, 2006; Medellin, Colombia
“Developing the ideal dairy cow: The future of dairy cattle genetics”
Educational program for dairy producers
Colombian National Dairy Cattle Show
Sponsored by the Colombian Ayrshire Association
- July 21, 2006; Bogota, Colombia
“Fertility and crossbreeding: The future of dairy cattle breeding”
Educational programs for dairy producers
Sponsored by the Genesi Project
- June 9, 2006; Vicenza, Italy
- June 10, 2006; Cremona, Italy
“A global overview of the changing dynamics for dairy cattle breeding”
Annual meeting guest speaker
Geno (national A. I. cooperative of Norway)
- April 25, 2006; Hamar, Norway
“The future challenge for Holstein breeding: A show cow or a functional cow?”
Educational program for Holstein breeders
Sponsored by Rinderzucht Schleswig-Holstein (RSH) A. I. Cooperative
- March 16, 2006; Neumunster, Germany
“The role of Red dairy cattle breeds for commercial milk production around the world”
Educational program for Angler breeders
Sponsored by Rinderzucht Schleswig-Holstein (RSH) A. I. Cooperative
- March 14, 2006; Schleswig, Germany
“Health and fertility of the modern dairy cow – the genetic challenge for the future”
Educational program for dairy producers
Sponsored by Svensk Avel (Sweden’s national A.I. cooperative)
- January 23, 2006; Uppsala, Sweden
- January 24, 2006; Lovanger, Sweden
- January 25, 2006; Laholm, Sweden
- January 26, 2006; Holstein Association Winter Meeting, Sweden
- January 27, 2006; Skara, Sweden
“Health and fertility of the modern dairy cow – the genetic challenge for the future”
Educational program for dairy producers
Agromek Winter Exposition
Sponsored by Dansire (Denmark’s national A.I. cooperative)
- January 17, 2006; Herning, Denmark
- 2005 -
“Improving profitability through crossbreeding”
Educational programs for dairy producers
Hosted by AgriSearch of Northern Ireland
- December 5, 2005; Ballynahinch, Northern Ireland
- December 6, 2005; Enniskillen, Northern Ireland
“The California experience with crossbreeding Holstein cows with AI sires
from Scandinavia and France”
Educational programs for dairy producers
Hosted by Milk Development Council, U.K.
- November 24, 2005;
Risely, Derbyshire, England
- November 24, 2005;
Alcester, Warwickshire, England
- November 25, 2005;
Holmes Chapel, Cheshire, England
- November 28, 2005;
Chirk, Llangollen, Wales
- November 29, 2005;
Marlborough, Wiltshire, England
- November 29, 2005;
Buckfastleigh, Devon, England
- November 30, 2005;
Nortallerton, Yorkshire, England
- December 1, 2005;
Wigton, Cumbria, England
- December 1, 2005;
Rugby Park, Kilmarnock, Scotland
- December 2, 2005;
Inverurie, Aberdeen, Scotland
“The California experience with crossbreeding Holsteins with AI sires
from Scandinavia and France”
Educational programs for genetic staff and dairy producers
Genetics Australia
- November 7, 2005; Melbourne, Victoria, Australia
“The California experience with crossbreeding Holsteins with AI sires
from Scandinavia and France”
Invited symposium speaker
Dairy Research Foundation Symposium, University of Sydney
- November 3, 2005; Camden, NSW, Australia
“What should a functional cow look like?” and “Crossbreeding trials in California”
Invited conference speaker
International Red Cow Conference
Hosted by International Red Cow Club
- June 9 and 10, 2005; Zulu-Natal, South Africa
“Dairy cattle breeding plans using multiple breeds”
Invited conference speaker
British Cattle Conference
Hosted by British Cattle Breeders Club
- January 26, 2005; Weston-under-Redcastle, Shropshire, England
- 2004 -
“Comparison of first-lactation Holstein, Normande-Holstein, Montbeliarde-Holstein, and Scandinavian-Holstein crossbred cows”
Educational programs for dairy producers
Hosted by Alpura Milk Cooperative
- November 29, 2004; Mexico City, Mexico
- November 29, 2004; Queretaro, Mexico
- December 1, 2004; Delicias, Mexico
“Crossbreeding: International experience”
Invited conference speaker
Irish National Dairy Cattle Conferences
- November 17, 2004; County Cork, Ireland
- November 18, 2004; County Cavan, Ireland
“Crossbreeding: An alternative in dairy cattle breeding?”
Invited conference speaker
International Dairy Cattle Conference, Saxonian Institute of Agriculture
February 4, 2004; Leipzig, Saxony, Germany
“Designing the cow of the future”
Departmental seminar speaker
University of Guelph
- January 15, 2004; Guelph, Ontario, Canada
- 2003 -
“Which traits and which breeds for dairy cattle in the future”
Departmental seminar speaker
Danish Agricultural Research Center
- May 29, 2003; Foulum, Denmark
"Optimum selection goals for dairy cattle internationally”
Invited speaker for Board of Directors
Svensk Avel A.I. Organization
- May 22, 2003; Skara, Sweden
“Which traits and which breeds for dairy cattle in the future”
Departmental seminar speaker
Swedish Agricultural University
- May 19, 2003; Uppsala, Sweden
“Comparison of Normande-Holstein crossbreds with pure Holsteins and Normande-Jersey crossbreds with pure Jerseys during first lactation”
Invited conference speaker
International Normande Conference (CINOR)
- February 25, 2003; Paris, France
- 2002 -
“The role of genetics in cow longevity”
Invited conference speaker
Midwest Dairy Herd Health Conference
- November 13, 2002;
Madison, Wisconsin
“Reduced lifetimes of American dairy cows and practices to lengthen productive lifetimes”
Invited conference speaker
Invitational German Dairy Conference
- July 4, 2002; Brandenburg, Germany
- 2001 -
“Genetic technology - what's in it for producers?"
Educational seminar for dairy producers
World Dairy Expo
- October 4, 2001; Madison, Wisconsin
“Genetic diversity of food producing animals: Where has it gone? How much is left? A global perspective"
Invited symposium speaker
Joint Annual Meeting ADSA/ASAS
- July 24, 2001; Indianapolis, Indiana
“Longevity of Holstein cows selected for large versus small body size”
Invited conference speaker
CIGAL Mexican Dairy Conference
- July 12, 2001; Guadalajara, Mexico
“Are crossbreds useful to produce milk?”
Educational programs for dairy producers
National Association of Animal Breeders of the USA
- May 14, 2001; Tandil, Buenos Aires, Argentina
- May 17 and 18, 2001; Goiania, Goias, Brazil
- May 21, 2001; Cascavel, Parana, Brazil
“Are crossbreds useful to produce milk?”
Invited educational speaker
MercoLactea International Exposition on Milk Production
- May 10, 2001; San Francisco, Cordoba, Argentina
- 2000 -
“Performance of USA dairy genetics in different environments” and “Survival, longevity, and productive life of dairy cows”
Educational seminars for dairy producers
Hosted by the National Association of Animal Breeders of the USA
- March 13, 2000; Goiania, Brazil
- March 15, 2000; Uberaba, Brazil
- March 17, 2000; Porto Alegre, Brazil
- March 20, 2000; Buenos Aires, Argentina
- March 21, 2000; Santa Fe, Argentina
- Abstracts -
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2006. Crossbreds of Normande/Holstein, Montbeliarde/Holstein, and Scandinavian Red/Holstein compared to pure Holsteins for 305-d production. J. Dairy Sci. 89(Suppl. 1):252.
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2006. Crossbreds of Normande/Holstein, Montbeliarde/Holstein, and Scandinavian Red/Holstein compared to pure Holsteins for reproduction and survival. J. Dairy Sci. 89(Suppl. 1):249.
Heins, B.J., L.B. Hansen, A.J. Seykora, A.R. Hazel, J.G. Linn, and D.G. Johnson. 2006. Crossbreds of Jersey/Holstein compared to pure Holsteins for production, calving difficulty, stillbirths, and fertility. J. Dairy Sci. 89(Suppl. 1):251.
Heins, B.J., L.B. Hansen, A.J. Seykora, A.R. Hazel, J.G. Linn, M.L. Raeth-Knight, and W.P. Hansen. 2006. Crossbreds of Jersey/Holstein compared to pure Holsteins for body weight, dry matter intake, feed efficiency, and body condition score. J. Dairy Sci. 89(Suppl. 1):250.
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2005. Crossbreds of Normande-Holstein, Montbeliarde-Holstein, and Scandinavian-Holstein compared to pure Holsteins for days to first breeding, first service conception rate, days open and survival. J. Dairy Sci. 88(Suppl. 1):97.
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2005. Crossbreds of Normande-Holstein, Montbeliarde-Holstein, and Scandinavian-Holstein compared to pure Holsteins for dystocia and stillbirths. J. Dairy Sci. 88(Suppl. 1):96.
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2005. Crossbreds of Normande-Holstein, Montbeliarde-Holstein, and Scandinavian-Holstein compared to pure Holsteins for production during the first 150 days of first lactation. J. Dairy Sci. 88(Suppl. 1):95.
Johnson, D., E. Ballinger, J. Linn, M. Rudstrom, L. Hansen, A. Seykora, and B. Heins. 2005. Evaluation of low input dairy farming systems by on-farm research, prototyping, and simulation modeling with emphasis on grazing management, seasonal calving, crossbreeding and outwintering. J. Anim. Sci. 98 (Suppl. 1), Midwest ADSA/ASAS meeting.
Wu, S.H., W.J. Weber, Y. Da, H. Chester-Jones, L.B. Hansen, Y. Boisclair, and B.A. Crooker. 2005. Leptin gene polymorphisms and selection for milk yield in Holstein cows. J. Dairy Sci. 88(Suppl. 1):170.
Carriquiry, M., S.H. Wu, W.J. Weber, H. Chester-Jones, L.B. Hansen, and B.A. Crooker. 2004. Effect of selection for milk yield on hepatic prolactin receptor (PRLR) mRNA in Holstein cows. J. Dairy Sci. 87(Suppl. 1):94. Abstr. 67.
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2004. Comparison of first-parity Holstein, Normande-Holstein crossbred, Montbeliarde-Holstein crossbred, and Scandinavian-Holstein crossbred cows for dystocia and stillbirths. J. Dairy Sci. 87(Suppl. 1):524.
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2004. Crossbreds of Normande-Holstein, Montbeliarde-Holstein, and Scandinavian-Holstein compared to pure Holsteins for production and SCS during the first 150 days of production. J. Dairy Sci. 87(Suppl. 1):41.
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2004. Minnesota 4-H Gopher Dairy Camp: A youth learning experience. J. Dairy Sci. 87(Suppl. 1):385.
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2004. Normande-Holstein crossbred versus pure Holsteins for conception, days open, calving interval, and survival. J. Dairy Sci. 87(Suppl. 1):535.
Kay, J.K., W.J. Weber, H. Chester-Jones, L.B. Hansen, D.E. Bauman, B.A. Crooker, and L.H. Baumgard. 2004. Effects of genetic selection for milk yield and stage of lactation on milk fatty acid profiles. FASEB J. 18(4-5).
Seykora, A.J., B.J. Heins, L.B. Hansen, J.G. Linn, D.G. Johnson, and W.P. Hansen. 2004. Effect of Holstein females carrying Holstein versus Jersey sired calves on subsequent MEMilk, days open, and involuntary culling. J. Dairy Sci. 87(Suppl. 1):282. Abstr. 527.
Weber, W.J., L.H. Baumgard, H. Chester-Jones, L.B. Hansen, and B.A. Crooker. 2004. Effect of selection for milk yield on prolactin profiles in multiparous Holstein cows during the periparturient period. Biotech. Agron., Society and Environ. 8:31.
Wu, S.H., W.J. Weber, H. Chester-Jones, L.B. Hansen, and B.A. Crooker. 2004. Effects of intake, selection for milk yield, and bST administration on hepatic expression of insulin receptors and components of the somatotropic axis in growing Holstein heifers. J. Dairy Sci. 87(Suppl.1):364. Abstr. W205.
Hammell, E.E., M.L. Raeth-Knight, E. Ballinger, J.G. Linn, A.J. Seykora, and L.B. Hansen. 2003. Performance of Holstein and Jersey-Holstein crossbred heifer calves when using an intensive feeding program from birth to 84 days of age. J. Dairy Sci. 86(Suppl. 1):173.
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2003. Comparison of first-parity Holstein, Jersey-Holstein crossbred, and Normande-Holstein crossbred cows for dystocia and stillbirths. J. Dairy Sci. 86(Suppl. 1):130.
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2003. Comparison of Holstein, Jersey-Holstein crossbred, and Normande-Holstein crossbred first-parity cows for milk, fat, and protein production and SCS during the first 150 days of lactation. J. Dairy Sci. 86(Suppl. 1):39.
Heins, B.J., A.J. Seykora, L.B. Hansen, J.G. Linn, D.G. Johnson, and W.P. Hansen. 2003. Effect of mating Holstein females to Holstein versus jersey AI sires on fertility, dystocia, calf weight, and retained placenta. J. Dairy Sci. 86(Suppl. 1):130.
Luimes, P.H., E.H. Beaupre, J.H. White, W.J. Weber, H. Chester-Jones, L.B. Hansen, B.A. Crooker, and J.R. Knapp. 2003. The effect of phenotypic selection for milk production on hepatic expression of prolactin receptor. J. Dairy Sci. 86(Suppl. 1):118.
Raeth-Knight, M.L., J.G. Linn, D.G. Johnson, L.B. Hansen, A.J. Seykora, B.J. Heins, and R.M. Templeton. 2003. Performance of Holstein and Jersey-Holstein crossbred heifer calves from birth to 84 days of age. J. Dairy Sci. 86(Suppl. 1):22.
Weber, W.J., S.J. Kolath, M.C. Lucy, H. Chester-Jones, L.B. Hansen, and B.A. Crooker. 2003. Effect of genetic potential for milk yield on the onset of reproductive activity and corpus luteum function. J. Dairy Sci. 86(Suppl. 1): 238.
Weber, W.J., S.H. Wu, H. Chester-Jones, L.B. Hansen, and B.A. Crooker. 2002. Effect of feed intake and genetic potential for milk yield on somatotropin (ST) response to growth hormone releasing factor (GRF) in Holstein heifers. J. Dairy Sci. 85(Suppl. 1):337.
Wu, S.H., W.J. Weber, H. Chester-Jones, L.B. Hansen, and B.A. Crooker. 2002. Effect of feed intake, bST administration, and genetic potential for milk yield on hepatic IGF-I and growth hormone receptor mRNA in growing Holstein heifers. J. Dairy Sci. 85 (Suppl. 1):337.
Chrystal, M.A., Y. Da, L.B. Hansen, and A.J. Seykora. 2001. Accuracy of marker assisted selection using a mixed model method. J. Dairy Sci. 84(Suppl. 1):191.
Hansen, L.B. 2001. Dairy cattle contributions to the National Animal Germplasm Preservation program. J. Dairy Sci. 84(Suppl. 1):13.
Heins, B.J., L.B. Hansen, A.J. Seykora, and G.D. Marx. 2001. Calving disorders of Holstein cows selected for large versus small body size. J. Dairy Sci. 84(Suppl. 1):246.
Sonnek, E.N., L.B. Hansen, and A.J. Seykora. 2001. Evaluation of corrective mating programs for dairy cattle in the U.S. J. Dairy Sci. 84(Suppl. 1):24.
Chrystal, M.A., Y. Da, L.B. Hansen, and A.J. Seykora. 2000. A mixed model method for QTL detection and marker assisted selection. 27th International Conference in Animal Genetics (ISAG), Minneapolis, MN. July 22-26. p. 9.
Crooker, B.A., L.A. Ma, W.J. Weber, L.B. Hansen, and H. Chester-Jones. 2000. Effect of selection for milk yield on hepatic gene expression in the Holstein cow: the growth hormone (GH) receptor and insulin-like growth factor-I (IGF-I). J. Dairy Sci. 83(Suppl. 1):205.
Heins, B.J., L.B. Hansen, A.J. Seykora, and G.D. Marx. 2000. Impact on body weight of divergent selection for body size. J. Dairy Sci. 83:(Suppl. 1):74.
Hansen, L.B. 1999. Consequences of selection for milk yield from a geneticist’s viewpoint. J. Dairy Sci. 82(Suppl. 1):114.
Heins, B.J., L.B. Hansen, A.J. Seykora, and C.W. Wolfe. 1999. Comparison of Kinship Values calculated by the American Jersey Cattle Association and expected future in breeding calculated by USDA. J. Dairy Sci. 82(Suppl. 1):115.
Weber, W.J., L.H. Baumgard, Q. Shi, H. Chester-Jones, L.B. Hansen, S.A. Zinn, and B.A. Crooker. 1999. Effect of selection for milk yield on somatotropin (ST) response to growth hormone releasing factor (GRF) in multiparous Holstein cows during the periparturient period. J. Dairy Sci. 82(Suppl. 1):101. |