Elizabeth B. Kegley Spears, J. W., Kegley, E. B., & Mullis, L. A. (2004). Bioavailability of copper from tribasic copper chloride and copper sulfate in growing cattle. ANIMAL FEED SCIENCE AND TECHNOLOGY, 116(1-2), 1–13. https://doi.org/10.1016/j.anifeedsci.2004.06.002 Heugten, E., Spears, J. W., Kegley, E. B., Ward, J. D., & Qureshi, M. A. (2003). Effects of organic forms of zinc on growth performance, tissue zinc distribution, and immune response of weanling pigs. Journal of Animal Science, 81(8), 2063–2071. https://doi.org/10.2527/2003.8182063x Spears, J. W., & Kegley, E. B. (2002). Effect of zinc source (zinc oxide vs zinc proteinate) and level on performance, carcass characteristics, and immune response of growing and finishing steers. Journal of Animal Science, 80(10), 2747–2752. https://doi.org/10.1093/ansci/80.10.2747 Kegley, E. B., Spears, J. W., Flowers, W. L., & Schoenherr, W. D. (2002). Iron methionine as a source of iron for the neonatal pig. NUTRITION RESEARCH, 22(10), 1209–1217. https://doi.org/10.1016/s0271-5317(02)00434-7 Kegley, E. B., Spears, J. W., & Auman, S. K. (2001). Dietary phosphorus and an inflammatory challenge affect performance and immune function of weanling pigs. Journal of Animal Science, 79(2), 413–419. https://doi.org/10.2527/2001.792413x Kegley, E. B., & Spears, J. W. (1999). Chromium and cattle nutrition. JOURNAL OF TRACE ELEMENTS IN EXPERIMENTAL MEDICINE, 12(2), 141–147. https://doi.org/10.1002/(SICI)1520-670X(1999)12:2<141::AID-JTRA11>3.0.CO;2-H Kegley, E. B., Spears, J. W., & Brown, T. T. (1997). Effect of shipping and chromium supplementation on performance, immune response, and disease resistance of steers. Journal of Animal Science, 75(7), 1956–1964. https://doi.org/10.2527/1997.7571956x Kegley, E. B., Spears, J. W., & Eisemann, J. H. (1997). Performance and glucose metabolism in calves fed a chromium-nicotinic acid complex or chromium chloride. JOURNAL OF DAIRY SCIENCE, 80(8), 1744–1750. https://doi.org/10.3168/jds.S0022-0302(97)76107-1 Kegley, E. B., Spears, J. W., & Brown, T. T. (1996). Immune response and disease resistance of calves fed chromium nicotinic acid complex or chromium chloride. JOURNAL OF DAIRY SCIENCE, 79(7), 1278–1283. https://doi.org/10.3168/jds.S0022-0302(96)76482-2 Kegley, E. B., & Spears, J. W. (1995). Immune response and performance of sheep fed supplemental zinc as zinc oxide or zinc methionine. Sheep & Goat Research Journal, 11(3), 127. Kegley, E. B., & Spears, J. W. (1995). Immune response, glucose metabolism, and performance of stressed feeder calves fed inorganic or organic chromium. Journal of Animal Science, 73(9), 2721. KEGLEY, E. B., & SPEARS, J. W. (1994). BIOAVAILABILITY OF FEED-GRADE COPPER SOURCES (OXIDE, SULFATE, OR LYSINE) IN GROWING CATTLE. JOURNAL OF ANIMAL SCIENCE, 72(10), 2728–2734. https://doi.org/10.2527/1994.72102728x KEGLEY, E. B., & SPEARS, J. W. (1994). EFFECT OF ZINC SUPPLEMENTATION ON PERFORMANCE AND ZINC-METABOLISM OF LAMBS FED FORAGE-BASED DIETS. JOURNAL OF AGRICULTURAL SCIENCE, 123, 287–292. https://doi.org/10.1017/S002185960006857X Kegley, E. B., Harvey, R. W., & Spears, J. W. (1991). Effects of lysocellin and calcium level on mineral metabolism, performance and ruminal and plasma characteristics of beef steers. Journal of Animal Science, 69(2), 782. Kegley, E. B., Harvey, R. W., Spears, J. W., & Crickenberger, R. G. (1990). The effects of lysocellin and varying calcium levels on performance and ruminal and plasma characteristics of growing beef steers fed corn silage. Journal of Animal Science, 68(2), 483.