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Recent Publications

Publications on Seasonal Breeding and Accelerated Lambing
  1. Notter, D. R.   1981.  Repeatability of conception rate and litter size for ewes in an accelerated lambing system.  J. Anim. Sci. 53:643-650.
  2. Nugent, R. A., III, D. R. Notter and W. E. Beal.  1988.  Effects of ewe breed and ram exposure on estrous behavior in May and June.  J. Anim. Sci. 66:1363-1370.
  3. Nugent, R. A., III, D. R. Notter and W. H. McClure.  1988.  Effects of ram pre-exposure and ram breed on fertility of ewes in summer breeding.  J. Anim. Sci. 66:1622-1626.
  4. Dzabirski, V. and D. R. Notter.  1989.  Effects of breed and time since lambing on spring estrous activity in mature ewes.  Anim. Repro. Sci. 19:99-108.
  5. Notter, D. R.   1989.  Effects of continuous ram exposure and early spring lambing on initiation of the breeding season in yearling crossbred ewes.  Anim. Repro. Sci. 19:265-272.
  6. Nugent, R. A., III and D. R. Notter.  1990.  Effects of cohabitation with white-faced ewes on estrous activity of Hampshire and Suffolk ewes exposed to rams in June.  J. Anim. Sci. 68:1513-1519.
  7. Notter, D. R.  1992.  Genetic improvement of out-of-season breeding through selection.  Proc. Out-of-Season Breeding Symp., Ames, IA, June 19-20, pp. 55-81.
  8. Fossceco, S. L. and D. R. Notter.  1995.  Heritabilities and genetic correlations of body weight, testis growth and ewe lamb reproductive traits in crossbred sheep.  Anim. Sci. 60:185-195.
  9. Al-Shorepy, S. A. and D. R. Notter.  1996.  Genetic variation and covariation for ewe reproduction, lamb growth, and lamb scrotal circumference in a fall-lambing sheep flock.  J. Anim. Sci. 74:1490-1498.
  10. Lewis, R. M., D. R. Notter, D. E. Hogue and B. H. Magee.  1996.  Ewe fertility in the STAR accelerated lambing system.  J. Anim.  Sci. 74:1511-1522.
  11. Al-Shorepy, S. A. and D. R. Notter.  1997.  Response to selection for fertility in a fall-lambing sheep flock.  J. Anim. Sci.  75:2033-2040.
  12. Messer, L. A., L. Wang, C. K.Tuggle, M. Yerle, P. Chardon, D. Pomp, J. E. Womack, W. Barendse, A. M. Crawford, D. R. Notter and M.  F. Rothschild.  1997.  Mapping of the melatonin receptor 1a (MTNR1A) gene in pigs, sheep, and cattle.  Mamm. Genome 8:368-370.
  13. Vincent, J. N., E. C. McQuown, and D. R. Notter.  2000.  Duration of the seasonal anestrus in sheep selected for fertility in fall lambing.  J. Anim.  Sci. 78:1149-1154.
  14. Notter, D. R., G. E. Bradford, S. A. Alexieva, and H. Sakul.  2000.  Genotype x environment interaction for ewe performance in fall lambing.  I.  Reproduction.  Sheep Goat Res. J. 16:6-13.
  15. Notter, D. R., G. E. Bradford, S. A. Alexieva, and H. Sakul.  2000. Genotype x environment interaction for ewe performance in fall lambing.  II.  Lamb growth and ewe body size.  Sheep Goat Res. J. 16:14-19.
  16. Notter, D. R. and P. Chemineau.  2001.  Nocturnal melatonin and prolactin plasma concentrations in sheep selected for fertility in autumn lambing.  J. Anim. Sci 79:2895-2901.
  17. Notter, D. R.  2002.  Opportunities to reduce seasonality of breeding in sheep by selection.  Sheep Goat Res. J. (In Press).
  18. Notter, D. R., S. A. Al-Shorepy, J. N. Vincent, and E. C.  McQuown. 1998.  Selection to improve fertility in fall lambing.  Proc.  6th World Congr. Genet. Appl. Livest. Prod. 27:43-46.
  19. Notter, D. R., N. E. Cockett, and T. L. Shay.  2002.  Effect of the melatonin receptor 1a gene on fertility and litter size in sheep. Proc. 7th World Congr. Genet. Appl. Livestock Prod.
  20. Banos, G., R.M. Lewis, D.R. Notter, and D.E. Hogue.  2002.  Genetic profile of fertility and prolificacy of maiden and mature ewes managed in a frequent lambing system.   Proc. 7th World Congr. Genet. Appl. Livestock Prod.

Publications on Hair Sheep, Parasite Resistance, and Easy-Care Sheep Genetics
  1. Notter, D. R.  2000.  Potential for hair sheep in the U.S.  Proc. Amer. Soc. Anim. Sci., 1999.  Available at https://www.asas.org/jas/symposia/proceedings/0907.pdf.  Accessed 26-09-00.
  2. Notter, D. R.  2000.  Development of sheep composite breeds for lamb production in the tropics and subtropics.  Santos, E. S. and W. H. Sousa (Eds.), Anais do I Simpósio International sobre Caprinos e Ovinos de Corte, EMEPA-PB, João Pessoa, Paraíba, Brazil, September 18-22, pp. 141-150.
  3. Smit, M. A., T. L. Shay, D. R. Notter, and N. E. Cockett.  2001.  A mutation at the agouti locus is associated with recessive black coat color in sheep.  Proc. Western Section, Amer. Soc. Anim. Sci. 52:79-82
  4. Notter, D. R. and D. P. Sponenburg.  2002.  Genetic control of color in Dorper sheep and their crosses.  Sheep Goat Res. J. 17:47-51
  5. Smit, M. A., T. L. Shay, J. E. Beever, D. R. Notter and N. E. Cockett.  2002.  Identification of an agouti-like locus in sheep.  Anim. Genet. (In press).

NSIP Publications
  1. Notter, D. R. and J. D. Hough.  1997.  Genetic parameter estimates for growth and fleece characteristics in Targhee sheep.  J.  Anim. Sci. 75:1729-1737.
  2. Notter, D. R.  1998.  The U.S. National Sheep Improvement Program: Across-flock genetic evaluations and new trait development.  J. Anim. Sci. 76:2324-2330.
  3. Notter, D. R.  1998.  Genetic parameters for growth traits in Suffolk and Polypay sheep.  Livest. Prod. Sci. 55:205-213.
  4. Al-Shorepy, S. A. and D. R. Notter.  1998.  Genetic parameters for lamb birth weight in spring and autumn lambing.  Anim. Sci. 67:327-332.
  5. Rao, S. and D. R. Notter.  2000.  Genetic analysis of litter size in Targhee, Suffolk, and Polypay sheep.  J. Anim. Sci. 78:2113-2120.
  6. Notter, D. R.  2000.  Effects of ewe age and season of lambing on prolificacy in U.S. Targhee, Suffolk, and Polypay sheep.  Small Ruminant Res. 38:1-7.
  7. Notter, D. R.  2001.  Genetic evaluation systems and the U.S. sheep industry.  The Shepherd 46(12):18-19.

Other Publications in Genetics and Animal Breeding
  1. Meacham, N. S. and D. R. Notter.  1987.  Heritability estimates for calving date in Simmental cattle.  J. Anim. Sci. 64:701-705.
  2. Johnson, M. H. and D. R. Notter.  1987.  Simulation of genetic control of reproduction in beef cows.  I.  Simulation model.  J. Anim.  Sci. 65:68-75.
  3. Johnson, M. H. and D. R. Notter.  1987.  Simulation of genetic control of reproduction in beef cows.  II.  Derived genetic parameters.  J. Anim. Sci. 65:76-87.
  4. Notter, D. R.  and M. H. Johnson.  1987.  Simulation of genetic control of reproduction in beef cows.  III.  Within-herd breeding value estimation with known breeding dates.  J. Anim. Sci. 65:88-98.
  5. Notter, D. R.   1987.  The crossbred sire: theory.  J. Anim. Sci. 65:99-109.
  6. Notter, D. R.  and M. H. Johnson.  1988.  Simulation of genetic control of reproduction in beef cows.  IV.  Within-herd breeding value estimation with pasture mating.  J. Anim. Sci. 66:280-286.
  7. Mahrt, G. S., D. R. Notter, W. E. Beal, W. H. McClure and L. G. Bettison.  1990.  Growth of crossbred progeny of Polled Hereford sires divergently selected for yearling weight and maternal ability.  J. Anim. Sci. 68:1889-1898.
  8. Notter, D. R.  and W. D. Hohenboken.  1990.  Industry breeding structures for effecting and evaluating genetic improvement.  Proc. 4th World Congr. Genet. Appl. Livestock Prod. 15:347-356.
  9. Nugent, R. A., III, D. R. Notter and W. E. Beal.  1991.  Body measurements of newborn calves and relationship of calf shape to sire breeding values for birth weight and calving ease.  J. Anim. Sci. 69:2413-2421.
  10. Nugent, R. A. III and D. R. Notter.  1991.  Body measurements of crossbred calves sired by Simmental bulls divergently selected for progeny first-calf calving ease in relation to birth weight.  J. Anim. Sci. 69:2422-2433.
  11. Notter, D. R.  and L. V. Cundiff.  1991.  Across-breed expected progeny differences:  Use of within-breed expected progeny differences to adjust breed evaluations for sire sampling and genetic trend.  J. Anim. Sci. 69:4763-4776.
  12. Notter, D. R.  1991.  Accommodation of genotype x environment interactions in national genetic evaluation programs.  Proc.  Aust. Assoc. Anim. Breed. Genet. 9:255-260.
  13. Diaz, C., D. R. Notter and W. E. Beal.  1992.  Relationship between milk expected progeny differences of Polled Hereford sires and actual milk production of their crossbred daughters.  J. Anim. Sci. 70:396-402.
  14. Notter, D. R., B. Tier and K. Meyer.  1992.  Sire x herd interactions for weaning weight in beef cattle.  J. Anim. Sci.  70:2359-2365.
  15. Notter, D. R.  1992.  Integration of across- and within-breed genetic evaluation programs.  Proc. Symp. on Applications of Expected Progeny Differences (EPD) to Livestock Improvement, Annual Meeting, Am. Soc. Anim. Sci., Pittsburgh, PA, August 10, 12 pp.
  16. Notter, D. R.  and C. Diaz.  1993.  Use of covariances between predicted breeding values to assess the genetic correlation between performance in two environments.  Genet. Sel. Evol. 25:353-372.
  17. Notter, D. R.   1995.  Genetic improvement of fertility using correlated traits and molecular markers.  Proc. Congresso Brasileiro de Reproducao Animal 11:121-130.
  18. Notter, D. R.  2002.  Defining biological efficiency of beef production.  Proc. Beef Improvement Fed. 34th Annu. Res. Symp. Annu. Meeting, Omaha, NE, July 10-13, pp. 8-20.