Susan Duckett

Ernest L. Corley Jr. Trustees Endowed Chair

Office: 864-656-5151

Animal and Veterinary Sciences

Ph.D. Animal Science, Oklahoma State University, 1994
M.S. Animal Science, Oklahoma State University, 1991
B. S. Animal Science, Iowa State University, 1989

85% Research
15% Teaching

Research interest:
My research integrates ruminant nutrition and meat science to alter lipid metabolism, fatty acid composition and palatability of animal products.

Duckett, S. K. 2014. Changes in dietary regime impact fatty acid profile of beef. Proc. Beef Improvement Federation Proceedings.

Duckett, S. K. and S. L. Pratt. 2014. MEAT SCIENCE AND MUSCLE BIOLOGY SYMPOSIUM—Anabolic implants and meat quality. J. Anim. Sci. 92:3-9.

Duckett, S. K., C. Fernandez Rosso, M. C. Miller, R. M. Lewis, and J. P. Fontenot. 2014. Effect of frame size and time-on-pasture on meat composition and palatability in a forage-finishing system. J. Anim. Sci. 92:4767-74.

Duckett, S. K., J. G. Andrae, and S. L. Pratt. 2014. Exposure to ergot alkaloids during gestation reduces fetal growth in sheep. Frontiers in Chemistry 2:68. Open access:

Duckett, S. K., M. C. Miller, G. Volpi Lagreca, M. Alende, J. G. Andrae, and N. M. Long. 2014. Effect of palmitoleic acid infusion on plasma, muscle and adipose tissue fatty acids and lipogenic gene expression in obese sheep. Diabetes, Metabolic Syndrome and Obesity 7:553-63.

Kadegowda, A. K. G., A. Wright, and S. K. Duckett. 2014. Nutritional milieu of isolated stromal vascular cells determines the proliferative, adipogenic and lipogenic capacity in vitro. Adipocytes 3:4, 1-10. Open access:

Lehmkuhler, J. W., V. A. Corriher, J. E. Larson, R. Reuter, R. L. Stewart Jr., M. D. Garcia, and S. K. Duckett. 2014. Bill E. Kunkle Interdisciplinary Beef Symposium: Beef cattle welfare and stress. J. Anim. Sci. 92(12):5309-10.

Long, N. M., T. A. Burns, G. Volpi Lagreca, M. Alende and S. K. Duckett. 2014. Palmitoleic acid infusion acutely affects glucose and insulin regulation in finished lambs. J. Metab. Syndrome 3:148 .

Pratt, S. L., S. M. Calcatera, H. M. Stowe, M. A. Dimmick, F. N. Schrick, S. K. Duckett, and J. G. Andrae. 2014. Identification of bovine prolactin in seminal fluid, and expression and localization of the prolactin receptor and prolactin-inducible protein in the testis and epididymis of bulls exposed to ergot alkaloids. Therio. Nov 20. pii: S0093-691X(14)00601-3. doi: 10.1016/j.theriogenology.2014.10.031.

Stowe, H. M., S. M. Calcatera, M. A. Dimmick, J. G. Andrae, S. K. Duckett and S. L. Pratt. 2014. The bull sperm microRNAome and the effect of fescue toxicosis on sperm microRNA expression. Plos One 9(12):e113163.

Kadegowda, A. K. G., T. A. Burns, M. C. Miller, and S. K. Duckett. 2013. Cis-9 trans-11 conjugated linoleic acid is endogenously synthesized from palmitelaidic (C16:1 trans-9) acid in bovine adipocytes. J. Anim. Sci. 91:1614-23.

Pavan, E. and S. K. Duckett. 2013. Fatty acid composition and interrelationships among eight retail cuts of grass-fed beef. Meat Sci. 93:371-377.

Pratt, S. L., T. A. Burns, M. D. Owens, and S. K. Duckett. 2013. Isolation of total RNA and detection procedures for miRNA present in bovine-cultured adipocytes and adipose tissues. Methods Mol. Biol. 936:181-94.

Schmidt, J. R., M. C. Miller, J. G. Andrae, S. E. Ellis, and S. K. Duckett. 2013. Effect of summer forage species grazed during finishing on animal performance, carcass quality, and meat quality. J. Anim. Sci. 91:4451-4461.

Duckett, S. K., J. P. S. Neel, R. M. Lewis, W. M. Clapham, and J. P. Fontenot. 2013. Effects of forage species or concentrate finishing on animal performance, carcass and meat quality. J. Anim. Sci. 91: 1454-67.

Kadegowda, A. K. G., T. A. Burns, S. L. Pratt, S. K. Duckett. 2013. Inhibition of stearoyl-CoA desaturase 1 reduces lipogenesis in primary bovine adipocytes. Lipids 48:967-976. Burns, T. A., S. K. Duckett, S. L. Pratt, and T. C. Jenkins. 2012. Supplemental palmitoleic (C16:1 cis-9) acid reduces lipogenesis and desaturation in bovine adipocyte cultures. J. Anim. Sci. 90:3433-3441.

Burns, T. A., A. K. G. Kadegowda, S. K. Duckett, S. L. Pratt, and T. C. Jenkins. 2012. Palmitoleic (C16:1 cis-9) and cis-vaccenic (C18:1 cis-11) acids alter lipogenesis in bovine adipocyte cultures. Lipids 47:1143-53.

Scaglia, G., J. P. Fontenot, W. S. Swecker, Jr., B. A. Corl, S. K. Duckett, H. T. Boland, R. Smith, and A. O. Abaye. 2012. Performance, carcass and meat characteristics of beef steers finished on two different forages or on a high concentrate diet. Prof. Anim. Sci. 28:194-203.

Joseph, S., K. Robbins, E. Pavan, Scott L. Pratt, S. Duckett, and R. Rekaya. 2010. Effect of Diet Supplementation on the Expression of Bovine Genes Associated with Fatty Acid Synthesis and Metabolism. Bioinformatics and Biology Insights 4:19-31. Open access:

Duckett, S. K. and M. H. Gillis. 2010. Effects of oil source and fish oil addition on ruminal biohydrogenation of fatty acids and conjugated linoleic acid formation in beef steers fed finishing diets. J. Anim. Sci. 88:2684-2691.

Miller, M. C., S. K. Duckett, and J. G. Andrae. 2010. The effect of forage species on performance and gastrointestinal nematode infection in lambs. Sm. Rum. Res. 95:188-192.

Joseph, S., S. L. Pratt, E. Pavan, R. Rekaya, and S. K. Duckett. 2010. Omega-6 polyunsaturated fat supplementation alters lipogenic gene expression in bovine subcutaneous adipose tissue. Gene Regulation and Systems Biology 4:91-101.

Pratt, S. L., T. A. Burns, and S. K. Duckett. 2010. Expression of MicroRNA During Early Differentiation of Bovine Adipocytes. J. Nucleic Acid Invest. 1:e12.

Professional society activity:
American Registry of Professional Animal Scientists (ARPAS)

American Meat Science Association (AMSA)

AVS 4110/6110 Animal Growth & Development
AVS 8090 Advanced Ruminant Nutrition
AVS 9910 Doctoral Dissertation Research