Marshall Stern

A. M. Gomez, M. D. Stern and I. Salfer. 2020. The Rumen Microbiome. https://www.innovationnewsnetwork.com/publication/the-innovation-platform-issue-4/ pages 418-21.

Stern, M. D. 2019. The challenges of feeding protein to high producing dairy cows. Scitech Europa Quarterly. May, 2019. https://www.scitecheuropa.eu/microbial-protein-synthesis-dairy-cows/95209/

Salfer, I. J., S. W Fessenden and M. D. Stern. 2019. Evaluation of iso-alpha-acid and b-acid extracts from hops (Humulus lupulus L.) on fermentation by rumen microbes in dual-flow continuous culture fermenters. https://doi.org/10.1016/j.anifeedsci.2019.114385.

Stern, M. D. and A. Gomez. 2018. Exploring microbial digestive dynamics of ruminants in vitro. Research Features, October, 2018. https://researchfeatures.com/2018/10/05/exploring-microbial-digestive-dynamics-ruminants-in-vitro/.

Salfer, I.J., C. Staley, H.E. Johnson, M.J. Sadowsky, and M.D. Stern. 2018. Comparisons of bacterial and archaeal communities in the rumen and a dual-flow continuous culture fermentation system using amplicon sequencing. J. Anim. Sci., Vol. 96: 1059–1072. https://doi.org/10.1093/jas/skx056

Carpenter, A.J., E. Binversie, M. Ruiz Moreno, and M.D. Stern. 2017. Effect of dried fermentation biomass on microbial fermentation in continuous culture and in vitro intestinal digestibility. Anim. Feed Sci. Technol. Vol. 230: 47-58. https://doi.org/10.1016/j.anifeedsci.2017.05.020

Fessenden, S.W., A.J. Carpenter, M. Ruiz-Moreno, T.C. Jenkins, and M.D. Stern. 2017. Effects of bismuth subsalicylate and dietary sulfur level on fermentation by ruminal microbes in continuous culture. Transl. Anim. Sci. 1:1-11doi:10.2527/tas2017.0062.

Huang, Z., P.E. Urriola, I.J. Salfer, M.D. Stern, and G.C. Shurson. 2017. Differences in in vitro hydrolysis and fermentation among and within high-fiber ingredients using a modified three-step procedure in growing pigs. J. Anim. Sci. 95:1-10 doi:10.2527/jas2017.1907.

Neu, A.E., M.D. Stern, and K.L. Martinson. 2017. Undergraduate student learning gains and satisfaction in online and in-person animal science courses. Nat. Sci. Educ. 46:2017-02-0003. doi:10.4195/nse2017.02.000.

Binversie, E.Y., M. Ruiz-Moreno, A.J. Carpenter, B.J. Heins, G.I. Crawford, A. DiCostanzo, and M.D. Stern. 2016. Effects of dietary roughage and sulfur in diets containing corn dried distillers grains with solubles on hydrogen sulfide production and fermentation by rumen microbes in vitro. J. Anim. Sci. 2016.94. doi:10.2527/jas2016-0502.

Ruiz-Moreno, M., E. Binversie, S.W. Fessenden, and M.D. Stern. 2015. Mitigation of in vitro hydrogen sulfide production using bismuth subsalicylate with and without monensin in beef feedlot diets. J. Anim. Sci. 93:5346-5354.

Karlsson, L., M. Ruiz-Moreno, M.D. Stern, and K. Martinsson. 2012. Effects of temperature during moist heat treatment on ruminal degradability and intestinal digestibility of protein and amino acids in hempseed cake. Asian-Aust. J. Anim. Sci. Vol. 25 No. 11:1559-1567.

Riasi, A., M. Danesh Mesgaran, M.D. Stern, and M.J. Ruiz Moreno. 2012. Effects of two halophytic plants (Kochia and Atriplex) on digestibility, fermentation and protein synthesis maintained in continuous culture. Asian-Aust. J. Anim. Sci. Vol. 25, No. 5:642-647.

Boucher S. E., S. Calsamiglia, C. M. Parsons, M. D. Stern, M. Ruiz Moreno, M. Vázquez-Añón, and C. G. Schwab. 2009. In vitro digestibility of individual amino acids in RUP: The Modified three-step procedure and the immobilized digestive enzyme assay. J. Dairy Sci. 92:3939-3950.

Boucher, S.E., S. Calsamiglia, C.N. Parsons, H.H. Stein, M.D. Stern, P.S. Erickson, P.L. Utterback, and C.G. Schwab. 2009. Intestinal digestibility of amino acids in rumen undegraded protein estimated using a precision-fed cecectomized rooster bioassay: I. soybean meal and soyplus. J. Dairy Sci. 92:4489-4498.

Boucher, S.E., S. Calsamiglia, C.N. Parsons, H.H. Stein, M.D. Stern, P.S. Erickson, P.L. Utterback, and C.G. Schwab. 2009. Intestinal digestibility of amino acids in rumen undegraded protein estimated using a precision-fed cecectomized rooster bioassay: II. Distillers dried grains with solubles and fish meal. J. Dairy Sci. 92:6056-6067.

Thrune, M., A. Bach, M. Ruiz-Moreno, M.D. Stern, and J.G. Linn. 2009. Effects of saccharomyces cerevisiae on ruminal pH and microbial fermentation in dairy cows. Livestock Sci. Vol. 124:261-265.

Bach, A., M. Ruiz Moreno, M. Thrune, and M.D. Stern. 2008. Evaluation of fermentation dynamics of soluble crude protein from three protein sources in continuous culture fermenters. J. Anim. Sci. 86:1364-1371.

Riasi, A., M. Danesh Mesgaran, M. Ruiz Moreno, and M.D. Stern. 2008. Chemical composition, in situ ruminal degradability and post-ruminal disappearance of dry matter and crude protein from the halophytic plants Kochia scoparia, Atriplex dimorphostegia, Suaeda arcuata and Gamanthus gamacarpus. Anim. Feed Sci. Technol. Vol. 141/3-4:209-219.

Bach, A., S. Calsamiglia, and M.D. Stern. 2005. Nitrogen metabolism in the rumen. J. Dairy Sci. 88(E Suppl.) E9-E21.

Jacobs, J.L., F, Diez-Gonzalez, R.L. Phillips, and M.D. Stern. 2005. Detection of transgenic maize Cry1Ab protein subjected to ruminal digestion. J. Anim. Feed Sci. 14(4):655-664.

Mesgaran, M.D. and M.D. Stern. 2005. Ruminal and post-ruminal protein disappearance of various tropical feeds determined by the mobile nylon bag, in vitro and three-step procedures. Anim. Feed Sci. Technol. 118:31-46.

Tapia, M.O., M.D. Stern, A.L. Soraci, R. Meonuck, W. Olson S. Gold, R.L. Koski-Hulbert, and M.J. Murphy. 2005. Patulin-producing molds in fermented feeds and effects of patulin on fermentation by ruminal microbes in continuous culture. Anim. Feed Sci. Technol. 119:247-258.

Ure, A.L., T.R. Dhiman, M.D. Stern, and K.C. Olson. 2005. Treated extruded soybean meal as a source of fat and protein for dairy cows. Asian-Aust. J. Animal Sci. 18(7):980-989.

Crawford, G.I., M.D. Stern, R.L.K. Hulbert, K.A. Caperoon, and P.G. Summer. 2004. Effects of a liquid byproduct nitrogen source on nitrogen utilization by ruminal microbes in continuous culture fermenters. J. Anim. Vet. Adv. 3(12):872-880.

Schwab, C.G., T.P. Tylutki, R.S. Ordway, C. Sheaffer, and M.D. Stern. 2003. Characterization of proteins in feeds. J. Dairy Sci. 86:(E. Suppl.):E88-E103.

Tapia, M.O., M.D. Stern, R.L. Koski, A. Bach, and M.J. Murphy. 2002. Effects of patulin on microbial fermentation in continuous culture fermenters. Anim. Feed Sci. Technol. 97:239-246.

Ziemer, C.J., R. Sharp, M.D. Stern, M.A. Cotta, T.R. Whitehead, and D.A. Stahl. 2002. Persistence and functional impact of a microbial inoculant on native microbial community structure, nutrient digestion and fermentation characteristics in a rumen model. Systemic and Appl. Microbiol. 25:416-422.

Ariza, P., A. Bach, M.D. Stern, and M.B. Hall. 2001. Effects of carbohydrates from citrus pulp and hominy feed on microbial fermentation in continuous culture. J. Anim. Sci. 79:2713-2718.

Bach, A., G.B. Huntington, S. Calsamiglia, and M.D. Stern. 2000. Nitrogen metabolism of early lactation cows fed diets with two different levels of protein and different amino acid profiles. J. Dairy Sci. 83:2585-2595.

Ziemer, C.J., R. Sharp, M.D. Stern, and D.A. Stahl. 2000. Comparison of microbial populations in model and natural rumens using 16S ribosomal RNA-target probes. Environ. Microbiol. 2:632-643.

Bach, A., G.B. Huntington, and M.D. Stern. 1999. Response of nitrogen metabolism in preparturient dairy cows to methionine supplementation. J. Anim. Sci. 78:742-749.

Bach, A. and M.D. Stern. 1999. Effects of different levels of methionine and ruminally undegraded protein on the amino acid profile of effluent from continuous culture fermenters. J. Anim. Sci. 77:3377-3384.

Bach, A. and M.D. Stern. 1999. Measuring resistance to ruminal degradation and bioavailability of ruminally protected methionine. Anim. Feed Sci. Tech. 84:23-32.

Bach, A., I.K. Yoon, M.D. Stern, H.G. Jung, and H. Chester-Jones. 1999. Effects of type of carbohydrate supplementation to lush pasture on microbial fermentation in continuous culture. J. Dairy Sci. 82:153-160.

Bach, A., M.D. Stern, N.R. Merchen, and J.K. Drackley. 1998. Evaluation of selected mathematical approaches used to describe the kinetics of protein degradation in situ. J. Anim. Sci. 76:2885-2893.

Sharp, R., C.J. Ziemer, M.D. Stern, and D.A. Stahl. 1998. Taxon-specific associations between protozoal and methanogen populations in the rumen and model rumen system. FEMS Microbiol. Ecology 26:71-78.

Stern, M.D., A. Bach, and S. Calsamiglia. 1997. Alternative techniques for measuring nutrient digestion in ruminants. J. Anim. Sci. 75:2256-2276.

Calsamiglia, S., M.D. Stern, and J.L. Firkins. 1996. Comparison of 15-nitrogen and purines as microbial markers in continuous culture. J. Anim. Sci. 74:1375-1381.

Howie, S.A., S. Calsamiglia, and M.D. Stern. 1996. Variation in ruminal degradation and intestinal digestion of animal byproduct proteins. Anim. Feed Sci. Technol. 63:1-7.

Calsamiglia, S. and M.D. Stern. 1995. A three-step in vitro procedure for estimating intestinal digestion of protein in ruminants. J. Anim. Sci. 73:1459-1465.

Mansfield, H.R., M.I. Endres, and M.D. Stern. 1995. Comparison of microbial fermentation in the rumen of dairy cows and dual flow continuous culture. Anim. Feed Sci. Technol. 55:47-66.

Yoon, I.K. and M.D. Stern. 1995. Influence of direct-fed microbials on ruminal microbial fermentation and performance of ruminants: A Review. Asian-Australasian J. Anim. Sci. 8:533-555.

Stern, M.D., G.A. Varga, J.H. Clark, J.L. Firkins, J.T. Huber, and D.L. Palmquist. 1994. Evaluation of chemical and physical properties of feeds that affect protein metabolism in the rumen. J. Dairy Sci. 77:2762-2786.

Calsamiglia, S., M.D. Stern, and A. Bach. 2000. Enzymatic and Microbial Cell Preparation Techniques for Predicting Rumen Degradation and Postruminal Availability of Protein. In: D.I. Givens, E. Owen, R.F.E. Axford, and H.M. Omed (Eds.). Forage Evaluation in Ruminants (pp. 259-280). CAB International, Wallingford, United Kingdom.

Stern, M. D.*, A. E. Neu, and K. L. Martinson. 2020. Motivation and interest in online courses. ADSA Virtual Annual Meeting, July, 2020.

Stern, M.D. 2019. Direct-Fed Microbials (DFM)/Probiotics as Additives to Ruminant Diets. U.S. Soybean Export Council Regional Dairy Nutrition and Soybean Meal Transportation and Shipping Conference, Cairo, Egypt. September 20-22. 

Stern, M.D. 2019. Challenges of Feeding Protein to High Producing Dairy Cows. U.S. Soybean Export Council Regional Dairy Nutrition and Soybean Meal Transportation and Shipping Conference, Cairo, Egypt. September 20-22. 

Stern, M.D. 2019. Understanding the Rumen Microbial Ecosystem. U.S. Soybean Export Council Regional Dairy Nutrition and Soybean Meal Transportation and Shipping Conference, Cairo, Egypt. September 20-22. 

Stern, M. D. 2018. Various Techniques Used in Ruminant Nutrition Research”. 5th U.S. Soybean Export Council (USSEC) Conference, Cairo, Egypt.

Stern, M. D. 2018. Methods for Improving Efficiency of Protein Utilization in Dairy Cattle. 5th U.S. Soybean Export Council (USSEC) Conference, Cairo, Egypt.

Stern, M.D. 2017. Methods for improving efficiency of protein utilization in dairy dattle. Invited Speaker at U.S. Soybean Export Council 4th Regional Dairy Nutrition and Soybean Meal Transportation and Shipping Conf., Ishtar Dead Sea, Jordan, Sep. 25-27.

Stern, M.D. 2016. Using innovative teaching methods and technology to enhance learning by current generation animal science students. Presented at Iowa State Univ., Animal Science Dept., Feb 5.

Stern, M.D. 2016. Using innovative teaching methods and technology to enhance learning by current generation undergraduate students. Presented at the Univ. of Minnesota, Dept. of Animal Science, Oct. 31.

Stern, M.D. 2016. Using innovative teaching methods and technology to enhance learning by undergraduate students. Presented at Rutgers Univ., Dept. of Animal Science, April 22.

Stern, M.D. 2011. Rumen physiology. Proc., Minnesota Dairy Health Conf. pp. 100-118.

Stern, M.D. 2010. Use and misuse of commodity sources of metabolizable protein and amino acids: Are the metabolizable amino acids in these sources reliably available? Invited Speaker, Arm & Hammer Symposium on Amino Acid Utilization in Dairy Cows, Green Bay, WI. July 19.

Bach, A., M.M. Thrune, and M.D. Stern. 2007. The importance of ruminal pH and the impact of probiotics on reducing the incidence of sub-acute ruminal acidosis (SARA). Canadian Eastern Nutr. Conf. Quebec City, May 14-17th. pp. 1-20.

Stern, M.D. , A. Bach, and M.M. Thrune. 2007. Use of live yeast products to stabilize rumen pH. Proc. Bucknell Nutr. Conf., Lewisburg, PA. July 16-18. pp. 169-185.

Stern, M.D., S. Calsamiglia, A. Bach, and M. Ruiz Moreno. 2007. Significance of intestinal digestion of dietary protein. Proc. 18th Annual Colorado Dairy Nutr. Conf. E: pp. 1-18.

Bach, A., M.L. Raeth-Knight, M.D. Stern, and J.G. Linn. 2006. Protein, amino acid, and peptide requirements for proper rumen function and milk production. Proc. 67th Minnesota Nutr. Conf. pp. 67-79.

Stern, M.D., A. Bach, and S. Calsamiglia. 2006. New concepts in protein nutrition of ruminants. Proc. 21st Annual Southwest Nutrition and Management Conf. pp. 45-66.

Stern, M.D., A. Bach, and S. Calsamiglia. 2005. New concepts in protein nutrition of ruminant animals. Proc. XII Biennial Congress of the Mexican Assoc. of Specialists in Anim. Nutr. (AMENA). pp. 1-25.

Stern,M.D., A. Bach, and S. Calsamiglia. 2004. Nitrogen metabolism in the rumen. ADSA Symposium: Science of Ruminant Nitrogen and its Application to Feeding Cows.

Stern, M., L. Aga, and A. Bach. 2000. Improving soybean meal use by ruminants. Proc. 61st Minnesota Nutr. Conf. pp. 18-32.

M. D. Stern*, A. E. Neu, and K. L. Martinson. 2020. Motivation and interest in online courses. J. Dairy Sci. Vol. 103 Suppl. 1:162.

Zeltwanger, M., A. DiCostanzo, H. Larson, and M. D. Stern. 2019. Effects of dietary-induced pH changes on feed digestion, nitrogen metabolism, fermentation, and biohydrogenation of polyunsaturated fatty acids in dual-flow continuous culture fermenters. J. Anim. Sci. Vol. 97, Suppl. 3:156.

Neu, A.E., M.D. Stern, and K.L. Martinson. 2017. Comparison of undergraduate student learning gains and satisfaction when enrolled in animal science courses offered in person and online. J. Equine Vet. Sci. 52:117.

Ruh, K.J., B.J. Heins, M.D. Stern, and R. Gardner. 2017. Dual-flow continuous culture fermentation of organic BMR sorghum- sudangrass and teff grass to determine digestibility of forages in an organic dairy grazing system. J. Dairy Sci. 100 (Suppl. 2):77 (Abstr.).

Salfer, I.J., C.M. Staley, H.E. Larson, M.J. Sadowsky, and M.D. Stern. 2016. Comparisons of microbial populations found in the rumen and in a dual-flow continuous culture fermentation system using high-throughput 16S amplicon sequencing. J. Anim. Sci. 94:789-789. doi:10.2527/jam2016-1621.

Fessenden, S.W., A.J. Carpenter, M. Ruiz-Moreno, and M.D. Stern. 2013. Effect of bismuth subsalicylate and dietary sulfur level on in vitro rumen fermentation in continuous culture. J. Anim. Sci. Vol. 91, E-Suppl. 2/J. Dairy Sci. Vol. 96, E-Suppl.:498.

Carpenter, A., E. Binversie, M. Ruiz-Moreno, J. Usry, I. Shinzato, and M.D. Stern. 2012. Effect of dried fermentation biomass on microbial fermentation in continuous culture. J. Dairy Sci. Vol. 95 (Suppl. 2):623.

Ruiz-Moreno, M., E. Binversie, and M.D. Stern. 2012. Effect of monensin and bismuth subsalicylate on hydrogen sulfide in continuous culture fermenters. J. Dairy Sci. Vol. 95 (Suppl. 2):622.

Boucher, S.E., S. Calsamiglia, M.D. Stern, C.M. Parsons, H.H. Stein, C.G. Schwab, K.W. Cotanch, J.W. Darrah, and J.K. Bernard. 2011. Method evaluation for determining digestibility of rumen undegraded amino acids in blood meal. J. Dairy Sci. 94 (E. Suppl.) E-388.

Ruiz-Moreno, M., E. Seitz, and M.D. Stern. 2011. In vitro mitigation of rumen hydrogen sulfide. J. Dairy Sci. 94 (E. Suppl.) E-259.

Ruiz-Moreno, M., E. Seitz, M.D. Stern, and J. Garrett. 2011. In vitro modification of ruminal and post ruminal metabolism by lignosulfonate and polysaccharide protected microminerals. J. Dairy Sci. 94 (E. Suppl.) E-388.

Seitz, E., A. Carpenter, M. Ruiz-Moreno, M.D. Stern, and G.I. Crawford. 2011. Effect of dietary roughage and sulfur concentration on hydrogen sulfide production from corn-based diets containing dried distillers grains. J. Dairy Sci. 94 (E. Suppl.) E-390-391.

Ruiz-Moreno, M., E. Seitz, J. Garrett, and M.D. Stern. 2010. Hydrogen sulfide release by ruminal microbes maintained in batch culture. J. Dairy Sci. Vol. 93, E-Suppl. 1:429-430.

Ruiz-Moreno, M., M.D. Stern, and J. Sullivan. 2010. Effects of low dose of Saccharomyces cerevisiae on metabolism by ruminal microbes in dual flow continuous culture fermenters. J. Dairy Sci. Vol. 93, E-Suppl. 1:425.

Ruiz-Moreno, M., M.D. Stern, A. Bach, M. Thrune, and J.G. Linn. 2009. In vitro and in vivo effects of soluble crude protein, Yucca schidigera extract and Saccaharomyces cerevisae on rumen metabolism. Proc. 70th Minnesota Nutrition Conf., Owatonna, MN. Sep. 15-16. p. 95.

Boucher, S.E., S. Calsamiglia, M.D. Stern, C.M. Parsons, and C.G. Schwab. 2008. Digestibility of rumen undegraded amino acids estimated in cecectomized roosters and the modified three-step in vitro procedure. J. Dairy Sci. 91 (Suppl. 1): 588.

Ruiz Moreno, M., A. Bach, M. Thrune, and M.D. Stern. 2007. Evaluation of the fermentation dynamics of the soluble protein fraction of three protein sources in continuous culture fermenters. J. Anim. Sci. Vol. 85, Suppl. 1/J. Dairy Sci. Vol. 90, Suppl. 1:103.

Ruiz Moreno, M., A. Bach, J. van Eys, and M.D. Stern. 2007. Effect of vegetal extracts on rumen microbial fermentation in batch culture. J. Anim. Sci. Vol. 85, Suppl. 1/J. Dairy Sci. Vol. 90, Suppl. 1:104.

Ruiz Moreno, M. and M.D. Stern. 2007. Effects of Monensin and Yucca schidigera extract on metabolism by ruminal microbes in dual flow continuous culture fermenters. J. Anim. Sci. Vol. 85, Suppl. 1/J. Dairy Sci. Vol. 90, Suppl. 1:108.

Ruiz Moreno, M. and M.D. Stern. 2007. Effects of rumen undegradable protein and Yucca schidigera extract on metabolism by ruminal microbes maintained in dual flow continuous culture fermenters. Microbial Ecol. in Health and Disease, 19:50.

Thrune, M., A. Bach, M. Ruiz-Moreno, M.D. Stern, and J.G. Linn. 2007. Effects of Saccharomyces cerevisiae on ruminal pH and microbial fermentation in lactating dairy cows. J. Anim. Sci. Vol. 85, Suppl. 1/J. Dairy Sci. Vol. 90, Suppl. 1:172-173.

Thrune, M., M.D. Stern, M. Ruiz-Moreno, and G.C. Fahey, Jr. 2007. Estimating intestinal protein digestion in the canine animal using a ruminant in vitro model. J. Anim. Sci. Vol. 85, Suppl. 1:267.

Stern, M.D., M.R. Moreno, M.O. Tapia, M.J. Murphy, G.I. Crawford, and K. Nelsen. 2006. Studies using continuous culture fermenters and a three-step in situ/in vitro procedure to estimate protein metabolism in ruminants. Proc. 67th Minnesota Nutr. Conf. 67:4.

Riasi, A., M.D. Stern, M. Danesh Mesgaran, M.J. Ruiz Moreno. 2005. Ruminal and post ruminal crude protein digestion of halophyte forages (Kochia scoparia, Atriplex domorphostegia) determined by various procedures. Presented at ASAS/ADSA Meetings, Cincinnati, OH. July.

Stern, M.D., T.K. Miller-Webster, W.H. Hoover, M. Ruiz Moreno, and C.A. Macgregor. 2005. Effects of soy gum application to soybean meal on protein degradation by ruminal microbes and intestinal protein digestion. Presented at ASAS/ADSA Meetings, Cincinnati, OH. July 2005.

Stern, M.D., M.R. Moreno, and C.A. Macgregor. 2005. Effects of various methods used to process soybean meal on protein digestion in the rumen and small intestine. 2005 Conf. on Gastrointestinal Function, Chicago, IL. Vol. 2:24.

Mesgaran, M.D., A. Riasi, and M.D. Stern. 2004. Chemical composition, and in vitro and in situ protein digestibility of some halophytes located in central Iran. Proc. Brit. Soc. Anim. Soc., short communication, 2004:242.

Crawford, G.I., M.D. Stern, R.L.K. Hulbert, and P.A. Summer. 2003. Effects of a liquid byproduct N source on fermentation by ruminal microbes in continuous culture fermenters. 2003 Conf. on Gastrointestinal Function, Chicago, IL. Vol. 1:33.

Hulbert, R.L.K., G.I. Crawford, M.D. Stern, and M.T. Socha. 2003. Evaluation of inorganic and chelated trace mineral supplementation to early lactation and dry cow diets on microbial fermentation in continuous culture. 2003 Conf. on Gastrointestinal Function, Chicago, IL. Vol. 1:34.

Hulbert, R.L.K., G.I. Crawford, K.A. Caperoon, M.D. Stern, and M.T. Socha. 2003. Influence of cobalt supplementation to dry and lactating dairy cow diets with monensin on microbial fermentation in continuous culture. J. Dairy Sci. (Suppl. 1) 86:106-107.

Nelsen, K.K., G.I. Crawford, R.L.K. Hulbert, and M.D. Stern. 2003. Chemical composition and small intestinal digestion of protein from various ruminal microbial fractions. 2003 Conf. on Gastrointestinal Function, Chicago, IL. Vol. 1:33.

Caperoon, K.A., M.D. Stern, C.C. Sheaffer, G.I. Crawford, and R.L.K. Hulbert. 2002. Evaluation of Illinois bundleflower as a grazing source for ruminants using dual flow continuous culture fermenters. J. Dairy Sci. (Suppl. 1)85:63.

Crawford, G.I., M.D. Stern, R.L.K. Hulbert, K.A. Caperoon, and B.L. Miller. 2002. Effect of fat source on microbial fermentation in continuous culture of rumen contents. J. Dairy Sci. (Suppl. 1)85:142.

Aga, L.M., R.J. Koski, and M.D. Stern. 2000. Effects of buffers on pH and microbial metabolism in continuous culture of rumen contents. Proc. of 25th Conf. on Rumen Function. 25:33.

Tapia, M.O., M.J. Murphy, R.J. Koski, and M.D. Stern. 2000. Influence of patulin level on fermentation by ruminal microbes in continuous culture. Proc. of 25th Conf. on Rumen Function. 25:34.

Tapia, M.O., M.J. Murphy, and M.D. Stern. 2000. Efectos de patulina sobre el metabolismo del nitrogeno en cultivo continuo. Jornadas Latinoamericanas de Farmaco - toxicologia. IX Latinoamericanas - XIV Nacionales. 27 y 28 de Abril de 2000. Tandil, Argentina.