@article{budde_sellins_lloyd_wagner_heldt_spears_engle_2019, title={Effect of zinc source and concentration and chromium supplementation on performance and carcass characteristics in feedlot steers}, volume={97}, ISBN={1525-3163}, DOI={10.1093/jas/skz016}, number={3}, journal={JOURNAL OF ANIMAL SCIENCE}, author={Budde, Ashley M. and Sellins, Karen and Lloyd, Karen E. and Wagner, John J. and Heldt, Jeff S. and Spears, Jerry W. and Engle, Terry E.}, year={2019}, month={Mar}, pages={1286–1295} }
 @article{creech_spears_flowers_hill_lloyd_armstrong_engle_2004, title={Effect of dietary trace mineral concentration and source (inorganic vs. chelated) on performance, mineral status, and fecal mineral excretion in pigs from weaning through finishing}, volume={82}, DOI={10.2527/2004.8272140x}, number={7}, journal={Journal of Animal Science}, author={Creech, B. L. and Spears, J. W. and Flowers, W. L. and Hill, G. M. and Lloyd, K. E. and Armstrong, T. A. and Engle, T. E.}, year={2004}, pages={2140–2147} }
 @article{engle_spears_2004, title={Effect of finishing system (feedlot or pasture), high-oil maize, and copper on conjugated linoleic acid and other fatty acids in muscle of finishing steers}, volume={78}, number={2}, journal={Animal Science (Penicuik, Scotland)}, author={Engle, T. E. and Spears, J.W.}, year={2004}, pages={261–269} }
 @article{spears_engle_platter_lloyd_belk_horton_2003, title={Effects of high dietary calcium propionate and dietary cation-anion balance on calcium metabolism and longissimus muscle tenderness in finishing steers}, volume={19}, ISBN={1080-7446}, DOI={10.15232/s1080-7446(15)31461-3}, number={6}, journal={Professional Animal Scientists}, author={Spears, J. W. and Engle, T. E. and Platter, W. R. and Lloyd, K. E. and Belk, K. E. and Horton, J.}, year={2003}, pages={424} }
 @article{engle_fellner_spears_2001, title={Copper status, serum cholesterol, and milk fatty acid profile in Holstein cows fed varying concentrations of copper}, volume={84}, DOI={10.3168/jds.S0022-0302(01)74678-4}, number={10}, journal={Journal of Dairy Science}, author={Engle, T. E. and Fellner, Vivek and Spears, J. W.}, year={2001}, pages={2308–2313} }
 @article{armstrong_spears_engle_see_2001, title={Effect of pharmacological concentrations of dietary copper on lipid and cholesterol metabolism in pigs}, volume={21}, url={http://www.scopus.com/inward/record.url?eid=2-s2.0-0034754358&partnerID=MN8TOARS}, DOI={10.1016/s0271-5317(01)00332-3}, number={9}, journal={Nutrition Research}, author={Armstrong, T.A. and Spears, J.W. and Engle, T.E. and See, M.T.}, year={2001}, pages={1299–1308} }
 @article{engle_spears_2001, title={Performance, carcass characteristics, and lipid metabolism in growing and finishing Simmental steers fed varying concentrations of copper}, volume={79}, DOI={10.2527/2001.79112920x}, number={11}, journal={Journal of Animal Science}, author={Engle, T. E. and Spears, J. W.}, year={2001}, pages={2920–2925} }
 @article{engle_spears_l._edens_2000, title={Dietary copper effects on lipid metabolism and circulating catecholamine concentrations in finishing steers}, volume={78}, DOI={10.2527/2000.78102737x}, number={10}, journal={Journal of Animal Science}, author={Engle, T. E. and Spears, J. W. and L. and Edens, F. W.}, year={2000}, pages={2737–2744} }
 @article{engel_spears_2000, title={Dietary copper effects on lipid metabolism, performance, and ruminal fermentation in finishing steers}, volume={78}, DOI={10.2527/2000.7892452x}, number={9}, journal={Journal of Animal Science}, author={Engel, T. E. and Spears, J. W.}, year={2000}, pages={2452–2458} }
 @article{armstrong_spears_heugten_engle_wright_2000, title={Effect of copper source (cupric citrate vs cupric sulfate) and level on growth performance and copper metabolism in pigs}, volume={13}, DOI={10.5713/ajas.2000.1154}, number={8}, journal={Asian-Australasian Journal of Animal Sciences}, author={Armstrong, T. A. and Spears, J. W. and Heugten, Eric and Engle, T. E. and Wright, C. L.}, year={2000}, pages={1154–1161} }
 @article{engle_spears_2000, title={Effects of dietary copper concentration and source on performance and copper status of growing and finishing steers}, volume={78}, number={9}, journal={Journal of Animal Science}, author={Engle, T. E. and Spears, J. W.}, year={2000}, pages={2446–2451} }
 @article{engle_spears_armstrong_wright_odle_2000, title={Effects of dietary copper source and concentration on carcass characteristics and lipid and cholesterol metabolism in growing and finishing steers}, volume={78}, DOI={10.2527/2000.7841053x}, number={4}, journal={Journal of Animal Science}, author={Engle, T. E. and Spears, J. W. and Armstrong, T. A. and Wright, C. L. and Odle, J.}, year={2000}, pages={1053–1059} }
 @article{engle_spears_fellner_odle_2000, title={Effects of soybean oil and dietary copper on ruminal and tissue lipid metabolism in finishing steers}, volume={78}, DOI={10.2527/2000.78102713x}, number={10}, journal={Journal of Animal Science}, author={Engle, T. E. and Spears, J. W. and Fellner, Vivek and Odle, Jack}, year={2000}, pages={2713–2721} }
 @article{engle_spears_brown_lloyd_1999, title={Effect of breed (Angus Vs Simmental) on immune function and response to a disease challenge in stressed steers and preweaned calves}, volume={77}, DOI={10.2527/1999.773516x}, number={3}, journal={Journal of Animal Science}, author={Engle, T. E. and Spears, J. W. and Brown, T. T. and Lloyd, K. E.}, year={1999}, pages={516–521} }
 @article{engle_nockels_kimberling_weaber_johnson_1997, title={Zinc repletion with organic or inorganic forms of zinc and protein turnover in marginally zinc-deficient calves}, volume={75}, DOI={10.2527/1997.75113074x}, number={11}, journal={Journal of Animal Science}, author={Engle, T. E. and Nockels, C. F. and Kimberling, C. V. and Weaber, D. L. and Johnson, A. B.}, year={1997}, pages={3074–3081} }