Riggs, Penny individual record
Associate Professor, Animal Science

education and training
selected publications
Academic Articles88
  • Riggs, P. K., Therrien, D. A., Vaughn, R. N., Rotenberry, M. L., Davis, B. W., Herring, A. D., Riley, D. G., & Cross, H. R. (2022). Differential Expression of MicroRNAs in Dark-Cutting Meat from Beef Carcasses. APPLIED SCIENCES-BASEL. 12(7), 3555-3555.
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  • Baker, E. C., Herring, A. D., Amen, T. S., Sawyer, J. E., Sanders, J. O., Gill, C. A., Riggs, P. K., & Riley, D. G. (2022). Evaluation of Post-weaning Efficiency in Nellore-Angus Crossbred Steers through Model Predicted Residual Consumption. Sustainable Agriculture Research. 11(2), 46-46.
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  • Baker, E. C., Earnhardt, A. L., Cilkiz, K. Z., Collins, H. C., Littlejohn, B. P., Cardoso, R. C., ... Riley, D. G. (2022). DNA methylation patterns and gene expression from amygdala tissue of mature Brahman cows exposed to prenatal stress.. Front Genet. 949309.
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  • Vaughn, R. N., Kochan, K. J., Torres, A. K., Du, M., Riley, D. G., Gill, C. A., ... Riggs, P. K. (2022). Skeletal Muscle Expression of Actinin-3 (ACTN3) in Relation to Feed Efficiency Phenotype of F2 Bos indicus - Bos taurus Steers.. Front Genet. 796038.
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  • Earnhardt, A. L., Riley, D. G., Ghaffari, N., Riggs, P. K., Long, C. R., Cardoso, R. C., Randel, R. D., & Welsh, T. H. (2021). Differential Expression of Circadian Clock Genes in the Bovine Neuroendocrine Adrenal System. Journal of the Endocrine Society. 5(Supplement_1), A66-A67.
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  • Riggs, P. K. (2019). Expansion of Knowledge and Advances in Genetics for Quantitative Analyses. Routledge Handbook of Sport and Exercise Systems Genetics. 16-27. Routledge.
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  • Riggs, P. K. (2019). Expansion of knowledge and advances in genetics for quantitative analyses. Routledge Handbook of Sport and Exercise Systems Genetics. 16-27.
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  • Riggs, P., & Gill, C. (2009). Lipid Oxidation and Flavor. Applied Muscle Biology and Meat Science. 239-258. CRC Press.
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  • Riggs, P. K., & Gill, C. A. (2009). Molecular Mapping and Marker-Assisted Breeding for Muscle Growth and Meat Quality. APPLIED MUSCLE BIOLOGY AND MEAT SCIENCE. 287-+.
  • Hahn, K. A., & Riggs, P. K. (1998). Chromosome Staining and Banding Techniques. Methods in Molecular Medicine. Tumor Marker Protocols. 239-244. Humana Press.
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Conference Papers26
  • Littlejohn, B. P., Price, D. M., Neuendorff, D. A., Carroll, J. A., Vann, R. C., Riggs, P. K., ... Randel, R. D. (2019). Awardee Talk - Prenatal transportation stress alters physiology of suckling Brahman calves as mediated by changes in DNA methylation. JOURNAL OF ANIMAL SCIENCE. 97, 142-142.
  • O'Daniel, S. E., Riley, D. G., Kochan, K. J., Riggs, P. K., Rouquette, F. M., Randel, R. D., & Welsh, T. H. (2019). Comparison of telomere length in age-matched primiparous and multiparous Brahman cows. JOURNAL OF ANIMAL SCIENCE. 97, 363-364.
  • Baker, E. C., Cilkiz, K. Z., Riggs, P. K., Randel, R. D., & Riley, D. G. (2019). Effect of prenatal transportation stress on DNA methylation in Brahman heifers. JOURNAL OF ANIMAL SCIENCE. 97, 262-263.
  • Cilkiz, K. Z., Baker, E. C., Riggs, P. K., Randel, R. D., Riley, D. G., & Welsh, T. (2019). Genome-wide DNA methylation alteration in prenatally stressed Brahman heifer calves with the advancement of age. JOURNAL OF ANIMAL SCIENCE. 97, 263-264.
  • Littlejohn, B., Price, D., Neuendorff, D., Carroll, J., Vann, R., Riggs, P., ... Randel, R. (2018). Prenatal stress alters genes in signaling pathways influencing behavior and stress response by differential methylation of DNA. JOURNAL OF ANIMAL SCIENCE. 96, 349-350.
Internet Publications1
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chaired theses and dissertations
First Name
Last Name
mailing address
Texas A&M University; Animal Science; 2471 TAMU
College Station, TX 77843-2471