Dr. Reagan Nicole Sims

  • Assistant Professor at Department of Agricultural Sciences, College of Science & Engineering

Scholarly and Creative Works

2026

  • Dela Rosa, A. K., Solice, L. K., Reyes, N. E., Brummett, O. S., Sims, M. B., Pierdolla, E. L., … Sims, R. N. (n.d.). Effects of a bovine appeasing substance applied at estrous synchronization on stress, cyclicity, and pregnancy. In Animal Science.
  • Brummett, O. S., Evans, A., Dela Rosa, A. K., Barrera, V., Bruner, B. L., Greene, E. S., … Sims, R. N. (n.d.). Bovine defensin expression in nasal mucosal secretions of calves challenged with Bovine Respiratory Disease: A preliminary analysis. In Animal Science.
  • Wang, X., Nursyifa, C., Aninta, S., Garcia-Erill, G., Bertola, L., Khan, A., … Heller, R. (2026). Population structure and domestication history of the Javan banteng. Current Biology, 36(2), 458–473. Retrieved from https://www.sciencedirect.com/science/article/pii/S0960982225016173

2025

  • Dela Rosa, A. K., Solice, L. K., Reyes, N., Brummett, O. S., Sims, M. B., Pierdolla, E. L., … Sims, R. N. (n.d.). Effects of a bovine appeasing substance applied at estrous synchronization on stress, cyclicity, and pregnancy. United States.
  • Brummett, O. S., Evans, A., Dela Rosa, A. K., Barrera, V., Bruner, B. L., Greene, E., … Sims, R. N. (n.d.). BOVINE DEFENSIN EXPRESSION IN NASAL MUCOSAL SECRETIONS OF CALVES CHALLENGED WITH BOVINE RESPIRATORY DISEASE: A PRELIMINARY ANALYSIS. In Animal Science.
  • Want, X., Nursyifa, C., Aninta, S., Garcia-Erill, G., Bertola, L., Khan, A., … Heller, R. (n.d.). The genetic diversity of Indonesian cattle has been shaped by multiple introductions and adaptive introgression. Nature Communications, (16). Retrieved from https://www.nature.com/articles/s41467-025-62692-z
  • Solice, L. K., Reyes, N., Brummett, O. S., Sims, M. B., Pierdolla, E. L., Rosales Nieto, C. A., … Sims, R. N. (2025). Effects of a bovine appeasing substance applied at estrous synchronization on stress and reproductive performance. Retrieved from https://academic.oup.com/jas/article/103/Supplement_3/376/8274390
  • Brummett, O. S., Kegley, E., Sims, M. B., Dridi, S., Beck, P., Powell, J., & Sims, R. N. (2025). Injectable zinc as an alternative castration method at weaning in beef bulls: effects on growth performance and carcass characteristics. In Animal Science.
  • Rojas, A., Solice, L. K., Sims, R. N., Bruner, B. L., Olanrewaju, A. A., Cardoso, R., & Rosales Nieto, C. A. (2025). Evaluating bee pollen supplementation for enhancing health parameters in crossbred goats: A focus on complete blood count (CBC). Retrieved from https://academic.oup.com/jas/article/103/Supplement_2/116/8165900
  • Rojas, A., Trochez Vargas, B. V., Solice, L. K., Sims, R. N., Bruner, B. L., Cardoso, R., & Rosales Nieto, C. A. (2025). Investigating bee pollen’s role in fecal parasite management and FAMACHA scoring in crossbred goats. Retrieved from https://academic.oup.com/jas/article/103/Supplement_2/154/8165732
  • Vázquez-García, J., Ballesteros-Rodea, G., Cuevas-Reyes, V., Hernández-Arteaga, L., Peña-Avelino, L., López-Aguirre, S., … Rosales Nieto, C. A. (2025). Impact of Kalanchoe (Kalanchoe daigremontiana) Supplementation in Goat Maternal Diet on Hepatic and Renal Function and Reproductive Performance. Biology, 14(4), 376. https://doi.org/https://doi.org/10.3390/biology14040376
  • Hernández-Arteaga, L., Vázquez-García, J., Flores-Najera, M., Mellado, M., Sims, R. N., Bruner, B. L., … Rosales Nieto, C. A. (2025). Evaluating Reproductive Outcomes in Saanen and Alpine Doelings with Suboptimal Live Weight and performance of their progeny. Spanish Journal of Agricultural Research, 23, 21200. https://doi.org/https://doi.org/10.5424/sjar/2025231-21200
  • Cuevas-Reyes, V., Flores-Sánchez, J., Ramírez de la Cruz, E., Vázquez-García, J. M., Hernández-Arteaga, L., Sims, R. N., … Rosales Nieto, C. A. (2025). Effects of Prenatal Herbal Methionine Supplementation on Growth Indices, Onset of Puberty, Blood Metabolites, and Fertility of Alpine Doelings. Biology, 14, 237. https://doi.org/10.3390/biology14030237

2024

  • Sims, R. N., & Bruner, B. L. (2024, December). Growing and Learning about Santa Gertrudis at Texas State University. Santa Gertrudis Source.
  • García-Mendoza, A., Vega-Manríquez, D., Cuevas-Reyes, V., Flores-Najera, M., Almendárez-Navarro, F., Felix Santiago, E., … Rosales Nieto, C. A. (2024). Association between colostrum quality, passive transfer of colostral immunoglobulin, and postnatal growth in neonatal calves. Journal of the Hellenic Veterinary Medical Society, 75(4), 8381–8388. https://doi.org/https://doi.org/10.12681/jhvms.37201
  • Ávila-Tenorio, C., Hernández-Arteaga, L., Vázquez-García, J., Flores-Najera, M., Cuevas-Reyes, V., Sims, R. N., … Rosales Nieto, C. A. (2024). Bioestimulación preconcepcional reduce la duración del empadre en cabras.
  • Reyna-Vargas, F., Vázquez-García, J., Hernández-Arteaga, L., Cuevas-Reyes, V., Flores-Najera, M., Sims, R. N., … Rosales Nieto, C. A. (2024). Efecto de la bioestimulación preconcepcional sobre variables reproductivas en cabras.

2023

  • Hernández-Padilla, M., Martínez-Lara, G., Vázquez-García, J., Hernández-Arteaga, L., Villegas-Rodriguez, F., Flores-Najera, M., … Rosales Nieto, C. A. (2023). Respuesta reproductiva de cabras multiparas al incluir residuos de panadería en dieta. Retrieved from https://congresorebiza.mx/
  • Martínez-Lara, G., Hernández-Padilla, M., Vázquez-García, J., Hernández-Arteaga, L., Villegas-Rodríguez, F., Cuevas-Reyes, V., … Rosales Nieto, C. A. (2023). Inclusión de concentrado a base de residuos de panadería durante la pre-concepción sobre el peso y tamaño al nacimiento de la progenie. Retrieved from https://congresorebiza.mx/
  • Sims, R. N., Solice, L. K., Powell, J. G., Kegley, E. B., Dridi, S., Greene, E., & Gadburry, S. (2023). Effects of intratesticular injectable zinc as an alternative castration method compared to banding one week post weaning in beef bulls: effects on health, inflammation, behavior, and growth during the backgrounding period. In Journal of Animal Science. San Marcos, United States. Retrieved from 601 University Dr