Anthony J. Seykora
Professor
Dairy Genetics
Publications (continued)
- Refereed Articles -
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. 2006 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.
Reneau, J.K., A.J. Seykora, B.J. Heins, M.I. Endres, R.J. Farnsworth, and R.F. Bey. 2005. Association between hygiene scores and somatic cell scores in dairy cattle. JAVMA 227:8.
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. J. Dairy Sci. 84:2549-2554.
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.
Stahl, T.J., B.J. Conlin, A.J. Seykora, and G.R. Steuernagel. 1998. Characteristics of Minnesota dairy farms in a transitory period. J. Dairy Sci. 82:45-51.
Young, C.W. and A.J. Seykora. 1996. Estimates of inbreeding and relationship among registered U.S. Holstein females. J. Dairy Sci. 79:502.
- Book -
Seykora, A.J. 2000. Practical Techniques for Dairy Farmers. 3rd Edition. 104 pages. 5,000 copies have been sold. The book has been used in courses at over 20 universities and technical colleges.
- Invited Papers, Conference Proceedings, Research Reports -
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2006. Fertility and survival during first lactation of crossbred dairy cows sired by bulls from Swedish, Norwegian, and French Red breeds compared to pure Holstein cows. 8th World Genetic Congress. Belo Horizonte, Brazil.
Seykora, A.J. and B. Heins. 2004. Limiting factors for more profitable dairy cows in the United States. Proc., National Dairy Genetics Workshop, Raleigh, NC. Oct. 20, 2003 (published in 2004).
- On-line Publication -
Van Randen, P.M. and A.J. Seykora. 2003. Net Merit as a measure of lifetime profit: 2003 revision. AIPL Research Report NM$2 (7-03). Fourteen pages found at http://www.aipl.arsusda.gov/reference/nmcalc.htm.
- Abstracts -
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2006. Crossbreds of Normande-Holstein, Montbeliarde-Holstein, and Scandinavian-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-Holstein compared to pure Holsteins for reproduction and survival. J. Dairy Sci. 89(Suppl. 1):252.
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, feed efficiency, and body condition score. J. Dairy Sci. 89(Suppl. 1):250.
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 production, calving difficulty, stillbirths, and fertility. J. Dairy Sci. 89(Suppl. 1):251.
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, protyping, and simulation modeling with emphasis on grazing management, seasonal calving, crossbreeding and outwintering. J. Anim. Sci. 98 (Suppl. 1), Midwest Meetings.
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.
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. Abstract 527.
Heins, B.J., L.B. Hansen, and A.J. Seykora. 2003. Comparison of Holstein, Holstein-Jersey crossbred, and Holstein-Normande 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):157.
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 Holstein-Jersey crossbred heifer calves from birth to 84 days of age. J. Dairy Sci. 86(Suppl. 1):87.
Seykora, A.J. and B.J. Heins. 2002. Evaluating 4-H dairy animals for a combination of type and genetic value for Net Merit dollars. J. Dairy Sci. 85(Suppl. 1):495.
Templeton, R.M., J.G. Linn, A.J. Seykora, and B.J. Heins. 2002. Comparison of Holstein and Holstein-Jersey crossbred heifer calves for body weight, hip height, and average daily gain from birth to 56 days of age. J. Dairy Sci. 85(Suppl. 1):1634.
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.
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.
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