@article{silva-guillen_arellano_martinez_heugten_2020, title={Growth performance, oxidative stress, and antioxidant capacity of newly weaned piglets fed dietary peroxidized lipids with vitamin E or phytogenic compounds in drinking water}, volume={36}, ISBN={2590-2865}, DOI={10.15232/aas.2019-01976}, number={3}, journal={APPLIED ANIMAL SCIENCE}, author={Silva-Guillen, Ysenia and Arellano, Consuelo and Martinez, Gabriela and Heugten, Eric}, year={2020}, month={Jun}, pages={341–351} }
 @article{mendoza_boyd_zier-rush_ferket_haydon_heugten_2017, title={Effect of natural betaine and ractopamine HCl on whole-body and carcass growth in pigs housed under high ambient temperatures}, volume={95}, DOI={10.2527/jas2017.1622}, number={7}, journal={Journal of Animal Science}, author={Mendoza, S. M. and Boyd, R. D. and Zier-Rush, C. E. and Ferket, P. R. and Haydon, K. D. and Heugten, E.}, year={2017}, pages={3047–3056} }
 @article{shah_lentz_heugten_currin_singletary_2017, title={Tempering ventilation air in a swine finishing barn with a low-cost earth-to-water heat exchanger}, volume={9}, DOI={10.1063/1.4979359}, number={2}, journal={Journal of Renewable and Sustainable Energy}, author={Shah, Sanjay and Lentz, Z. and Heugten, E. and Currin, R. and Singletary, I.}, year={2017} }
 @article{rosero_boyd_mcculley_odle_heugten_2016, title={Essential fatty acid supplementation during lactation is required to maximize the subsequent reproductive performance of the modern sow}, volume={168}, DOI={10.1016/j.anireprosci.2016.03.010}, journal={Animal Reproduction Science}, author={Rosero, D. S. and Boyd, R. D. and McCulley, M. and Odle, Jack and Heugten, E.}, year={2016}, pages={151–163} }
 @article{rosero_boyd_odle_heugten_2016, title={Optimizing dietary lipid use to improve essential fatty acid status and reproductive performance of the modern lactating sow: A review}, volume={7}, DOI={10.1186/s40104-016-0092-x}, journal={Journal of Animal Science and Biotechnology}, author={Rosero, D. S. and Boyd, R. D. and Odle, Jack and Heugten, E.}, year={2016} }
 @article{adeola_azain_carter_crenshaw_estienne_kerr_lindemann_maxwell_miller_shannon_et al._2015, title={A cooperative study on the standardized total-tract digestible phosphorus requirement of twenty-kilogram pigs}, volume={93}, DOI={10.2527/jas.2015-9509}, number={12}, journal={Journal of Animal Science}, author={Adeola, O. and Azain, M. J. and Carter, S. D. and Crenshaw, T. D. and Estienne, M. J. and Kerr, B. J. and Lindemann, M. D. and Maxwell, C. V. and Miller, P. S. and Shannon, M. C. and et al.}, year={2015}, pages={5743–5753} }
 @article{rosero_odle_arellano_boyd_heugten_2015, title={Development of prediction equations to estimate the apparent digestible energy content of lipids when fed to lactating sows}, volume={93}, DOI={10.2527/jas.2014-8402}, number={3}, journal={Journal of Animal Science}, author={Rosero, D. S. and Odle, Jack and Arellano, C. and Boyd, R. D. and Heugten, E.}, year={2015}, pages={1165–1176} }
 @article{rosero_odle_mendoza_boyd_fellner_heugten_2015, title={Impact of dietary lipids on sow milk composition and balance of essential fatty acids during lactation in prolific sows}, volume={93}, DOI={10.2527/jas.2014-8529}, number={6}, journal={Journal of Animal Science}, author={Rosero, D. S. and Odle, Jack and Mendoza, S. M. and Boyd, R. D. and Fellner, V. and Heugten, E.}, year={2015}, pages={2935–2947} }
 @article{rosero_odle_moeser_boyd_heugten_2015, title={Peroxidised dietary lipids impair intestinal function and morphology of the small intestine villi of nursery pigs in a dose-dependent manner}, volume={114}, DOI={10.1017/s000711451500392x}, number={12}, journal={British Journal of Nutrition}, author={Rosero, D. S. and Odle, Jack and Moeser, A. J. and Boyd, R. D. and Heugten, E.}, year={2015}, pages={1985–1992} }
 @article{mendoza_heugten_2014, title={Effects of dietary lipid sources on performance and apparent total tract digestibility of lipids and energy when fed to nursery pigs}, volume={92}, DOI={10.2527/jas.2013-6488}, number={2}, journal={Journal of Animal Science}, author={Mendoza, S. M. and Heugten, E.}, year={2014}, pages={627–636} }
 @article{dal jang_lindemann_heugten_jones_kim_maxwell_radcliffe_2014, title={Effects of phytase supplementation on reproductive performance, apparent total tract digestibility of Ca and P and bone characteristics in gestating and lactating sows}, volume={27}, number={3}, journal={Revista Colombiana de Ciencias Pecuarias}, author={Dal Jang, Y. and Lindemann, M. D. and Heugten, E. and Jones, R. D. and Kim, B. G. and Maxwell, C. V. and Radcliffe, J. S.}, year={2014}, pages={178–193} }
 @article{koger_o'brien_burnette_kai_kempen_heugten_kempen_2014, title={Manure belts for harvesting urine and feces separately and improving air quality in swine facilities}, volume={162}, DOI={10.1016/j.livsci.2014.01.013}, journal={Livestock Science}, author={Koger, J. B. and O'Brien, B. K. and Burnette, R. P. and Kai, R. and Kempen, M. H. J. G. and Heugten, E. and Kempen, T. A. T. G.}, year={2014}, pages={214–222} }
 @article{price_lin_heugten_odle_willis_odle_2013, title={Diet physical form, fatty acid chain length, and emulsification alter fat utilization and growth of newly weaned pigs}, volume={91}, DOI={10.2527/jas.2012-5307}, number={2}, journal={Journal of Animal Science}, author={Price, K. L. and Lin, X. and Heugten, E. and Odle, R. and Willis, G. and Odle, Jack}, year={2013}, pages={783–792} }
 @article{sullivan_freeman_heugten_heugten_wolfe_poore_2013, title={Impact of two types of complete pelleted, wild ungulate feeds and two pelleted feed to hay ratios on the development of urolithogenic compounds in meat goats as a model for giraffes}, volume={97}, DOI={10.1111/j.1439-0396.2012.01297.x}, number={3}, journal={Journal of Animal Physiology and Animal Nutrition}, author={Sullivan, K. and Freeman, S. and Heugten, E. and Heugten, K. Ange-van and Wolfe, B. and Poore, M. H.}, year={2013}, pages={566–576} }
 @article{herfel_jacobi_lin_heugten_fellner_odle_2013, title={Stabilized rice bran improves weaning pig performance via a prebiotic mechanism}, volume={91}, DOI={10.2527/jas.2012-5287}, number={2}, journal={Journal of Animal Science}, author={Herfel, T. and Jacobi, S. and Lin, X. and Heugten, E. and Fellner, V. and Odle, Jack}, year={2013}, pages={907–913} }
 @article{shields_heugten_odle_stark_2012, title={Impact of crude glycerol on feed milling characteristics of swine diets}, volume={175}, DOI={10.1016/j.anifeedsci.2012.05.008}, number={3-4}, journal={Animal Feed Science and Technology}, author={Shields, M. C. and Heugten, E. and Odle, Jack and Stark, C. S.}, year={2012}, pages={193–197} }
 @article{rosero_heugten_odle_arellano_boyd_2012, title={Response of the modern lactating sow and progeny to source and level of supplemental dietary fat during high ambient temperatures}, volume={90}, DOI={10.2527/jas.2012-4242}, number={8}, journal={Journal of Animal Science}, author={Rosero, D. S. and Heugten, E. and Odle, Jack and Arellano, C. and Boyd, R. D.}, year={2012}, pages={2609–2619} }
 @article{rosero_heugten_odle_cabrera_arellano_boyd_2012, title={Sow and litter response to supplemental dietary fat in lactation diets during high ambient temperatures}, volume={90}, DOI={10.2527/jas.2011-4049}, number={2}, journal={Journal of Animal Science}, author={Rosero, D. S. and Heugten, E. and Odle, Jack and Cabrera, R. and Arellano, C. and Boyd, R. D.}, year={2012}, pages={550–559} }
 @article{graves_liwimbi_israel_heugten_robinson_cahoon_lubbers_2011, title={Distribution of ten antibiotic resistance genes in E. coli isolates from swine manure, lagoon effluent and soil collected from a lagoon waste application field}, volume={56}, DOI={10.1007/s12223-011-0019-z}, number={2}, journal={Folia Microbiologica}, author={Graves, A. K. and Liwimbi, L. and Israel, D. W. and Heugten, E. and Robinson, B. and Cahoon, C. W. and Lubbers, J. F.}, year={2011}, pages={131–137} }
 @article{shields_heugten_lin_odle_stark_2011, title={Evaluation of the nutritional value of glycerol for nursery pigs}, volume={89}, DOI={10.2527/jas.2010-3558}, number={7}, journal={Journal of Animal Science}, author={Shields, M. C. and Heugten, E. and Lin, X. and Odle, Jack and Stark, C. S.}, year={2011}, pages={2145–2153} }
 @article{holt_heugten_graves_see_morrow_2011, title={Growth performance and antibiotic tolerance patterns of nursery and finishing pigs fed growth-promoting levels of antibiotics}, volume={136}, DOI={10.1016/j.livsci.2010.09.007}, number={2-3}, journal={Livestock Science}, author={Holt, J. P. and Heugten, E. and Graves, A. K. and See, M. T. and Morrow, W. E. M.}, year={2011}, pages={184–191} }
 @article{bruininx_borne_heugten_milgen_verstegen_gerrits_2011, title={Oxidation of dietary stearic, oleic, and linoleic acids in growing pigs follows a biphasic pattern}, volume={141}, DOI={10.3945/jn.111.142562}, number={9}, journal={Journal of Nutrition}, author={Bruininx, E. and Borne, J. and Heugten, E. and Milgen, J. and Verstegen, M. and Gerrits, W.}, year={2011}, pages={1657–1663} }
 @article{chaytor_hansen_heugten_see_kim_2011, title={occurrence and decontamination of mycotoxins in swine feed}, volume={24}, DOI={10.5713/ajas.2011.10358}, number={5}, journal={Asian-Australasian Journal of Animal Sciences}, author={Chaytor, A. C. and Hansen, J. A. and Heugten, E. and See, M. T. and Kim, S. W.}, year={2011}, pages={723–738} }
 @article{sullivan_heugten_heugten_poore_dierenfeld_wolfe_2010, title={Analysis of nutrient concentrations in the diet, serum, and urine of giraffe from surveyed North American zoological institutions}, volume={29}, DOI={10.1002/zoo.20278}, number={4}, journal={Zoo Biology}, author={Sullivan, K. and Heugten, E. and Heugten, K. Ange-van and Poore, M. H. and Dierenfeld, E. S. and Wolfe, B.}, year={2010}, pages={457–469} }
 @article{fix_cassady_heugten_hanson_see_2010, title={Differences in lean growth performance of pigs sampled from 1980 and 2005 commercial swine fed 1980 and 2005 representative feeding programs}, volume={128}, DOI={10.1016/j.livsci.2009.11.006}, number={1-3}, journal={Livestock Science}, author={Fix, J. S. and Cassady, J. P. and Heugten, E. and Hanson, D. J. and See, M. T.}, year={2010}, pages={108–114} }
 @article{heugten_hanson_ange_see_2010, title={Effects of on-farm magnesium supplementation through water on pork quality under two slaughter conditions}, volume={21}, DOI={10.1111/j.1745-4573.2009.00187.x}, number={2}, journal={Journal of Muscle Foods}, author={Heugten, Eric and Hanson, D. and Ange, D. and See, M. T.}, year={2010}, pages={350–364} }
 @article{seabolt_heugten_kim_heugten_roura_2010, title={Feed preferences and performance of nursery pigs fed diets containing various inclusion amounts and qualities of distillers coproducts and flavor}, volume={88}, DOI={10.2527/jas.2009-2640}, number={11}, journal={Journal of Animal Science}, author={Seabolt, B. S. and Heugten, E. and Kim, S. W. and Heugten, K. D. Ange-van and Roura, E.}, year={2010}, pages={3725–3738} }
 @article{kim_heugten_ji_lee_mateo_2010, title={Fermented soybean meal as a vegetable protein source for nursery pigs: I. Effects on growth performance of nursery pigs}, volume={88}, DOI={10.2527/jas.2009-1993}, number={1}, journal={Journal of Animal Science}, author={Kim, S. W. and Heugten, E. and Ji, F. and Lee, C. H. and Mateo, R. D.}, year={2010}, pages={214–224} }
 @article{heugten_verstegen_ferket_stoskopf_heugten_2008, title={Serum chemistry concentrations of captive woolly monkeys (Lagothrix lagotricha)}, volume={27}, DOI={10.1002/zoo.20176}, number={3}, journal={Zoo Biology}, author={Heugten, K. Ange-Van and Verstegen, M. and Ferket, Peter and Stoskopf, M. and Heugten, Eric}, year={2008}, pages={188–199} }
 @article{heugten_burns_verstegen_jansen_ferket_heugten_2007, title={Evaluation of diabetes determinants in woolly monkeys (Lagothrix lagotricha)}, volume={91}, DOI={10.1111/j.1439-0396.2007.00679.x}, number={11-12}, journal={Journal of Animal Physiology and Animal Nutrition}, author={Heugten, K. D. Ange-Van and Burns, R. and Verstegen, M. W. A. and Jansen, W. L. and Ferket, Peter and Heugten, Eric}, year={2007}, pages={481–491} }
 @article{muley_heugten_moeser_rausch_kempen_2007, title={Nutritional value for swine of extruded corn and corn fractions obtained after dry milling}, volume={85}, DOI={10.2527/jas.2006-127}, number={7}, journal={Journal of Animal Science}, author={Muley, N. S. and Heugten, Eric and Moeser, A. J. and Rausch, K. D. and Kempen, T. A. T. G. Van}, year={2007}, pages={1695–1701} }
 @article{eisemann_heugten_2007, title={Response of pigs to dietary inclusion of formic acid and ammonium formate}, volume={85}, DOI={10.2527/jas.2006-464}, number={6}, journal={Journal of Animal Science}, author={Eisemann, J. H. and Heugten, Eric}, year={2007}, pages={1530–1539} }
 @article{frederick_heugten_see_2006, title={Effects of pig age at market weight and magnesium supplementation through drinking water on pork quality}, volume={84}, DOI={10.2527/2006.8461512x}, number={6}, journal={Journal of Animal Science}, author={Frederick, B. R. and Heugten, Eric and See, M. T.}, year={2006}, pages={1512–1519} }
 @article{frederick_heugten_hanson_see_2006, title={Effects of supplemental magnesium concentration of drinking water on pork quality}, volume={84}, DOI={10.2527/2006.841185x}, number={1}, journal={Journal of Animal Science}, author={Frederick, B. R. and Heugten, Eric and Hanson, D. J. and See, M. T.}, year={2006}, pages={185–190} }
 @article{kempen_heugten_moeser_muley_sewalt_2006, title={Selecting soybean meal characteristics preferred for swine nutrition}, volume={84}, DOI={10.2527/2006.8461387x}, number={6}, journal={Journal of Animal Science}, author={Kempen, T. A. T. G. Van and Heugten, Eric and Moeser, A. J. and Muley, N. S. and Sewalt, V. J. H.}, year={2006}, pages={1387–1395} }
 @article{comparison of dietary selenium fed to grower-finisher pigs from various regions of the united states on resulting tissue se and loin mineral concentration_2005, volume={83}, DOI={10.2527/2005.834852x}, number={4}, journal={Journal of Animal Science}, year={2005}, pages={852–857} }
 @article{roberts_heugten_spears_routh_lloyd_almond_2004, title={Effects of dietary zinc on performance and immune response of growing pigs inoculated with porcine reproductive and respiratory syndrome virus and mycoplasma hyopneumoniae}, volume={17}, DOI={10.5713/ajas.2004.1438}, number={10}, journal={Asian-Australasian Journal of Animal Sciences}, author={Roberts, E. S. and Heugten, Eric and Spears, J. W. and Routh, P. A. and Lloyd, K. L. and Almond, Glen}, year={2004}, pages={1438–1446} }
 @article{xing_heugten_li_touchette_coalson_odgaard_odle_2004, title={Effects of emulsification, fat encapsulation, and pelleting on weanling pig performance and nutrient digestibility}, volume={82}, DOI={10.2527/2004.8292601x}, number={9}, journal={Journal of Animal Science}, author={Xing, J. J. and Heugten, Eric and Li, D. F. and Touchette, K. J. and Coalson, J. A. and Odgaard, R. L. and Odle, Jack}, year={2004}, pages={2601–2609} }
 @article{pion_heugten_see_larick_pardue_2004, title={Effects of vitamin C supplementation on plasma ascorbic acid and oxalate concentrations and meat quality in swine}, volume={82}, DOI={10.2527/2004.8272004x}, number={7}, journal={Journal of Animal Science}, author={Pion, S. J. and Heugten, Eric and See, M. T. and Larick, D. K. and Pardue, S.}, year={2004}, pages={2004–2012} }
 @article{van heugten_o'quinn_funderburke_flowers_spears_2004, title={Growth performance, carcass characteristics, plasma minerals, and fecal mineral excretion in grower-finisher swine fed diets with levels of trace minerals lower than common industry levels}, volume={12}, number={5}, journal={Journal of Swine Health and Production}, author={Van Heugten, E. and O'Quinn, P. R. and Funderburke, D. W. and Flowers, W. L. and Spears, J. W.}, year={2004}, pages={237–241} }
 @article{van heugten_frederick_2004, title={Magnesium supplementation and pork quality}, volume={25}, ISBN={0143-9014}, number={3}, journal={Pig News and Information}, author={Van Heugten, E. and Frederick, B. R.}, year={2004}, pages={101} }
 @article{frederick_heugten_see_2004, title={Timing of magnesium supplementation administered through drinking water to improve fresh and stored pork quality}, volume={82}, DOI={10.2527/2004.8251454x}, number={5}, journal={Journal of Animal Science}, author={Frederick, B. R. and Heugten, Eric and See, M. T.}, year={2004}, pages={1454–1460} }
 @article{moeser_see_heugten_morrow_kempen_2003, title={Diet and evaluators affect perception of swine waste odor: An educational demonstration}, volume={81}, DOI={10.2527/2003.81123211x}, number={12}, journal={Journal of Animal Science}, author={Moeser, A. J. and See, M. T. and Heugten, Eric and Morrow, W. E. M. and Kempen, T. Van}, year={2003}, pages={3211–3215} }
 @article{heugten_spears_kegley_ward_qureshi_2003, title={Effects of organic forms of zinc on growth performance, tissue zinc distribution, and immune response of weanling pigs}, volume={81}, DOI={10.2527/2003.8182063x}, number={8}, journal={Journal of Animal Science}, author={Heugten, Eric and Spears, J. W. and Kegley, E. B. and Ward, J. D. and Qureshi, M. A.}, year={2003}, pages={2063–2071} }
 @article{heugten_funderburke_dorton_2003, title={Growth performance, nutrient digestibility, and fecal microflora in weanling pigs fed live yeast}, volume={81}, DOI={10.2527/2003.8141004x}, number={4}, journal={Journal of Animal Science}, author={Heugten, Eric and Funderburke, D. W. and Dorton, K. L.}, year={2003}, pages={1004–1012} }
 @article{kempen_baker_heugten_2003, title={Nitrogen losses in metabolism trials}, volume={81}, DOI={10.2527/2003.81102649x}, number={10}, journal={Journal of Animal Science}, author={Kempen, T. A. T. G. Van and Baker, D. H. and Heugten, Eric}, year={2003}, pages={2649–2650} }
 @article{heugten_hasty_see_larick_2003, title={Storage stability of pork from Berkshire and Hampshire sired pigs following dietary supplementation with vitamin E}, volume={14}, DOI={10.1111/j.1745-4573.2003.tb00346.x}, number={1}, journal={Journal of Muscle Foods}, author={Heugten, Eric and Hasty, J. L. and See, M. T. and Larick, D. K.}, year={2003}, pages={67–80} }
 @article{roberts_heugten_lloyd_almond_spears_2002, title={Dietary zinc effects on growth performance and immune response of endotoxemic growing pigs}, volume={15}, DOI={10.5713/ajas.2002.1496}, number={10}, journal={Asian-Australasian Journal of Animal Sciences}, author={Roberts, E. S. and Heugten, Eric and Lloyd, K. and Almond, Glen and Spears, J. W.}, year={2002}, pages={1496–1501} }
 @article{hasty_heugten_see_larick_2002, title={Effect of vitamin E on improving fresh pork quality in Berkshire- and Hampshire-sired pigs}, volume={80}, DOI={10.2527/2002.80123230x}, number={12}, journal={Journal of Animal Science}, author={Hasty, J. L. and Heugten, Eric and See, M. T. and Larick, D. K.}, year={2002}, pages={3230–3237} }
 @article{heugten_kempen_2002, title={Growth performance, carcass characteristics, nutrient digestibility and fecal odorous compounds in growing-finishing pigs fed diets containing hydrolyzed feather meal}, volume={80}, DOI={10.2527/2002.801171x}, number={1}, journal={Journal of Animal Science}, author={Heugten, Eric and Kempen, T. Van}, year={2002}, pages={171–178} }
 @article{kempen_kim_heugten_2002, title={Pigs as recyclers for nutrients contained in Bermuda grass harvested from spray fields}, volume={81}, DOI={10.1016/S0960-8524(01)00129-8}, number={3}, journal={Bioresource Technology}, author={Kempen, T.A.T.G. Van and Kim, I. and Heugten, Eric}, year={2002}, pages={233–239} }
 @article{moeser_kim_heugten_kempen_2002, title={The nutritional value of degermed, dehulled corn for pigs and its impact on the gastrointestinal tract and nutrient excretion}, volume={80}, DOI={10.2527/2002.80102629x}, number={10}, journal={Journal of Animal Science}, author={Moeser, A. J. and Kim, I. B. and Heugten, Eric and Kempen, T. Van}, year={2002}, pages={2629–2638} }
 @article{kempen_heugten_trottier_2001, title={Adipic acid increases plasma lysine but does not improve the efficiency of lysine utilization in swine}, volume={79}, DOI={10.2527/2001.7992406x}, number={9}, journal={Journal of Animal Science}, author={Kempen, T. Van and Heugten, Eric and Trottier, N. L.}, year={2001}, pages={2406–2411} }
 @article{heo_odle_han_cho_seo_heugten_pilkington_2000, title={Dietary L-carnitine improves nitrogen utilization in growing pigs fed low energy, fat-containing diets}, volume={130}, DOI={10.1093/jn/130.7.1809}, number={7}, journal={Journal of Nutrition}, author={Heo, K. and Odle, Jack and Han, I. K. and Cho, W. and Seo, S. and Heugten, Eric and Pilkington, D. H.}, year={2000}, pages={1809–1814} }
 @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{van heugten_van kempen_1999, title={Methods may exist to reduce nutrient excretion}, volume={71}, number={17}, journal={Feedstuffs}, author={Van Heugten, E. and Van Kempen, T.}, year={1999}, pages={12–13} }
 @article{van heugten_sweet_stumpf_risley_schell_1997, title={Effects of water supplementation with selenium and vitamin E on growth performance and blood selenium and serum vitamin E concentrations in weanling pigs}, volume={211}, number={8}, journal={Journal of the American Veterinary Medical Association}, author={Van Heugten, E. and Sweet, L. A. and Stumpf, T. T. and Risley, C. R and Schell, T. C.}, year={1997}, pages={1039-} }
 @article{heugten_spears_1997, title={Immune response and growth of stressed weanling pigs fed diets supplemented with organic or inorganic forms of chromium}, volume={75}, DOI={10.2527/1997.752409x}, number={2}, journal={Journal of Animal Science}, author={Heugten, Eric and Spears, J.W.}, year={1997}, pages={409–416} }
 @article{heugten_coffey_spears_1996, title={Effects of immune challenge, dietary energy density, and source of energy on performance and immunity in weanling pigs}, volume={74}, DOI={10.2527/1996.74102431x}, number={10}, journal={Journal of Animal Science}, author={Heugten, Eric and Coffey, M. T. and Spears, J. W.}, year={1996}, pages={2431} }
 @article{heugten_spears_coffey_1994, title={The effect of dietary protein on performance and immune response in weanling pigs subjected to an inflammatory challenge}, volume={72}, DOI={10.2527/1994.72102661x}, number={10}, journal={Journal of Animal Science}, author={Heugten, Eric and Spears, J. W. and Coffey, M. T.}, year={1994}, pages={2661} }
 @article{heugten_spears_coffey_kegley_qureshi_1994, title={The effect of methionine and aflatoxin on immune function in weanling pigs}, volume={72}, DOI={10.2527/1994.723658x}, number={3}, journal={Journal of Animal Science}, author={Heugten, Eric and Spears, J. W. and Coffey, M. T. and Kegley, E. B. and Qureshi, M. A.}, year={1994}, pages={658} }
 @inproceedings{seventh crissey zoological nutrition symposium, publisher={Raleigh, NC: North Carolina State University, College of Veterinary Medicine}, pages={1–105} }