Publications

Erickson, M.G., D. Guberman, and E.L.Karcher. 2020. Undergraduates’ experiences of transculturation toward engagement pedagogy through a partnership program in animal science. NACTA. (accepted)

Erickson, M.G., J.L. Grant, and E.L. Karcher. 2020. Structured support advances Extension educator intercultural development during a short-term study-abroad program. JOE. 58(4): v58-4rb10.

Erickson, M.G., M. Erasmus, N. Knobloch, D.M. Karcher, and E.L. Karcher. 2020. Evaluating online modules contextualizing STEM in poultry science for secondary students. JAE. 61(3): 20-40.

Erickson, M.G., N.A. Knobloch, M. Erasmus, D.M. Karcher, and E.L. Karcher. 2019. Poultry in the classroom: effectiveness of an online poultry-science based education program for high school STEM instruction. Poult. Sci. 98:6593-6601.

Grant, J.L. and E.L. Karcher.2019. Evaluating student intercultural competence development in an animal production study abroad program. NACTA. 63: 173-182.

Grant, J.L and E.L. Karcher. 2019. Integrating extension Educators in agricultural study abroad programming. NACTA. 63: 156-163.

Erickson, M.G., D.M. Marks, and E.L. Karcher. 2019. Motivational effects of hands-on, problem-based, and learning activities in an introductory college course. Teaching and Learning Inquiry. (accepted)

Erickson, M.G., D. Guberman, H. Zhu, and E.L. Karcher. 2019. Interest and active learning techniques in an introductory animal science course. NACTA. 63: 293-298.

Karcher, E.L. and P. Reid. 2018. The use of virtual farm tours in a dairy cattle management course. NACTA. 62: 371- 375.

Tinney, S.and E.L. Karcher. 2018. Impact of education simulation games on interest in poultry management. JPUR. 8:66.

Karcher, E.L., R. Lemenager, N. Knobloch, D. Buskirk, and K. Stewart. 2018. Student perception of trans-institutional cooperative learning in an Animal Science course. NACTA: 62:254-259.

Karcher, E.L. and N.L. Trottier. 2014. Enhancing the student learning experience through an undergraduate research club. NACTA. 58:1-4.

Karcher, E.L., E. Wandschneider, and W.J. Powers. 2013. Emerging Issues and Sustainability in International Agriculture: A Study Abroad Program to Vietnam. NACTA. 57:69-73.

Worden, L.C., M.G. Erickson, S. Gramer, C. Tap, C. Ylioja, N. Trottier, C.L. Preseault, M.J. VandeHaar, A.L. Lock, and E.L. Karcher. 2018. Decreasing the dietary ratio of omega-6 to omega-3 fatty acids increases the omega-3 concentration of peripheral blood mononuclear cells in Holstein heifer calves. J. Dairy Sci. 101:1227-1233.

Elischer, M.F., L.M. Sordillo, J.M. Siegford, and E.L. Karcher. 2015. Characterizing metabolic and oxidative status of pastured periparturient dairy cows milked in an automatic milking system. J. Dairy Sci. 98:7083-7089.

Karcher, E.L., T.M. Hill, N. Vito, L.M. Sordillo, H.G. Bateman, II, R.L. Schlotterbeck, and M.J. VandeHaar. 2014. Comparison of supplementation of n-3 fatty acids from fish and flax oil on cytokine gene expression and growth of milk-fed Holstein calves. J. Dairy Sci. 97:2329-2337.

Elischer, M.F., M. Arceo, E.L. Karcher, and J.M. Siegford. 2013. Validating the accuracy of activity and rumination monitor data from dairy cows housed in a pasture-based automatic milking system. J. Dairy Sci. 96:6412-6422.

Shire, J., J.L. Gordon, and E.L. Karcher. 2013. The effect of temperature on performance of milk ketone test strips. J. Dairy Sci.96:1677-1680l.

Van Wyhe, R.C., S.E. Fraley, C.A. Szybisty, D.M. Karcher, and E.L. Karcher. 2012. Effect of snack food by-product inclusion on production of laying hens. Poult. Sci., 91:1406-1409.

Aitken, S.L., E.L. Karcher, P. Rezamand, J.C. Gandy, M.J. VandeHaar, A.V. Capuco, and L.M. Sordillo. 2009. Evaluation of antioxidants and proinflammatory gene expression in bovine mammary tissue during the transition period. J. Dairy Sci. 92:589-598.

Karcher, E.L., C.S. Johnson, D.C. Beitz, and J.R Stabel. 2008. Osteopontin immunoreactivity   in the ileum and ileocecal lymph node of dairy cows naturally infected with Mycobacterium avium subsp. paratuberculosis. Vet. Immunol. Immunopathol. 126:142-148.

Karcher, E.L., D.C. Beitz, and J.R. Stabel. 2008. Parturition invokes changes in peripheral blood mononuclear cell populations in Holstein dairy cows naturally infected with Mycobacterium avium subsp. paratuberculosis. Vet. Immunol. Immunopathol. 124:50-62.

Karcher, E.L.,D.O. Bayles, J.P. Bannantine, D.C. Beitz, and J.R. Stabel. 2008. Osteopontin: a novel cytokine involved in the regulation of Mycobacterium avium subsp. paratuberculosis infection in periparturient dairy cattle. J. Dairy Sci. 91:3079-3091.

Karcher, E.L., D.C. Beitz, and J.R. Stabel. 2008. Modulation of cytokine gene expression and secretion during the periparturient period in dairy cows naturally infected with Mycobacterium avium subsp. paratuberculosis. Vet. Immunol. Imunopathol. 123:277-288.

Karcher, E.L., M.M. Pickett, G.A. Varga, and S.S. Donkin. 2007. Effects of prepartum dietary carbohydrate source and monensin on expression of gluconeogenic enzymes in liver of transition dairy cows.  J. Anim. Sci. 85:690-699.

Williams, E.L., S. Rodriguez, D.C. Beitz, and S.S. Donkin. 2006. Effects of short-term glucagon administration on gluconeogenic enzymes in mid-lactation dairy cows. J. Dairy Sci. 89:693-703.