Faculty and Staff

Michel A. Wattiaux
Professor of Dairy Systems Management
For an extended list of publications, please see Dr. Wattiaux’s website.

Peer-Reviewed Articles

Pellerin, D., E. Charbonneau, L. Fadul-Pacheco, O. Soucy, and M. A. Wattiaux. 2017. Economic impact of reducing nitrogen and phosphorus mass balance on Wisconsin and Québec dairy farms. J. Dairy Sci. (in press).

Powell, J. M., T. Barros, M. Danes, M. Aguerre, M. Wattiaux and K. Reed. 2017. Nitrogen use efficiencies to grow, feed, and recycle manure from the major diet components foe to dairy cows in the USA. Agriculture, Ecosystems & Environment 239:274-282.

Barros, T., J. M. Powell, M. A. C. Danes, M. J. Aguerre, and M. A. Wattiaux. 2017. Relative partitioning of N from alfalfa silage, corn silage, corn grain and soybean meal into milk, urine, and feces, using stable 15N isotope. Animal Feed Science and Technology 229:91-96.

Fadul-Paheco, L., D. Pellerin, P. Y. Chouinard, M. A. Wattiaux, M. Duplessis, and E. Charbonneau. 2017. Nitrogen efficiency of eastern Canadian dairy herds: Effect of production performance and farm profitability. J. Dairy Sci. 100(8):6592-6601.

Liang, D., F. Sun, M. A. Wattiaux, V. Cabrera, J. Hedtcke, and E. Silva. 2017. Effect of feeding strategies and cropping systems on greenhouse gases emission from Wisconsin certified organic dairy farms. J. Dairy Sci. J. Dairy Sci. 100(7):5957-5973.

Barros, T., M. A. Quaassdorff, M. J. Aguerre, J. J. Olmos Colmenero, S. J. Bertics and M. A. Wattiaux. 2017. Effects of dietary crude protein concentration on late-lactation dairy cow performance and indicators of nitrogen utilization. J. Dairy Sci. 100(7):5434-5448.

Wattiaux, M. A., J. P. Iñamagua Uyaguari, L. Guerra, F. Casasola, and A. Jenet. Feeding and Fertilization practices and greenhouse gases emission in specialized dairy farms of Dos Pinos in Costa Rica. Tropical Grassland 4(3):146-158,

Duval, B., M. Aguerre, M. A. Wattiaux, P. A. Vadas, and J. M. Powell. 2016. Reducing on-farm greenhouse gas and ammonia emissions from dairy cows with prolonged diet alteration. Water, Air, & Soil Pollut. 227:329-339.

Aguerre M. J., M. C. Capozzolo, P. Lencioni, C. Cabral and M. A. Wattiaux. 2016. Effect of quebracho-chestnut tannin extracts at 2 dietary crude protein levels on performance, rumen fermentation and nitrogen partitioning in dairy cows. J. Dairy Sci. 99:4476-4486.

Iñamagua Uyaguari, J. P., A. Jenet, L. G. Alarcón Guerra, S. J. Vilchez Mendoza, F. Casasola Coto, and M. A. Wattiaux. 2016. Impactos económicos y ambientales de las estrategias de alimentación en lecherías de Costa Rica. Agronomía Mesoamericana 27:1-17.

Arndt, C., J. M. Powell, M. J. Aguerre, P. C. Crump, and M. A. Wattiaux. 2015. Gross feed efficiency in dairy cows: Persistency, variation in digestion and metabolism of energy and nitrogen, and luminal methanogens. J. Dairy Sci. 98(6):3938-3950

Aguirre-Villegas, H. A., T. H. Passos-Fonseca, D. J. Reinemann, L. E. Armentano, M. A. Wattiaux, J. M. Norman, and R. Larson. 2015. Green Cheese: Partial life cycle assessment of greenhouse gas emissions and energy intensity of integrated dairy production and bioenergy systems. J. Dairy Sci. 98(3):1571-1592

Arndt, C., J. M. Powell, M. J. Aguerre, and M. A. Wattiaux. Performance, digestion, nitrogen balance, manure ammonia, enteric methane and carbon dioxide emissions of lactating cows fed varying dietary ratios of alfalfa silage and corn silage. J. Dairy Sci. Published online Nov. 13, 2014 98(1):418-430

Arndt, C., J.M. Powell, M.J. Aguerre and M.A. Wattiaux. 2014. Performance, digestion, nitrogen balance, manure ammonia, enteric methane and carbon dioxide emissions of lactating cows fed varying dietary ratios of alfalfa silage and corn silage. J. Dairy Sci. Published online Nov. 13, 2014.

Dutreuil, M., M.A. Wattiaux, C. Hardie and V.E. Cabrera. 2014. Feeding strategies and manure management for cost-effective mitigation of greenhouse gas emissions from dairy farms in Wisconsin. J. Dairy Sci. 97:5904-5917.

Hardie, C., M.A. Wattiaux, M. Dutreuil, R. Gildersleeve, N. Keuler and V.E. Cabrera. 2014. Feeding strategies on certified organic dairy farms in Wisconsin and their impact on milk production and income over feed costs. J. Dairy Sci. 97:4612-4623.

Martínez-García, C.G, S.J. Ugoretz, C.M. Arriaga-Jordán and M.A. Wattiaux. 2014. Farm, household and farmer characteristics associated with changes in management practices and technology adoption among dairy smallholders. Tropical Animal Health and Production. 46:1-8.

Powell, J.M., C.A. Rotz and M.A. Wattiaux. 2014. Abatement of ammonia and nitrous oxide emissions from dairy farms using milk urea N (MUN) as a management tool. J. Env. Qual. Published online May 14, 2014.

Fadul-Pacheco, L., M.A. Wattiaux, A. Espinoza-Ortega, E. Sánchez-Vera and C. Arriaga-Jordan. 2013. Evaluation of sustainability of small-scale production systems in the highlands of Mexico during the rainy season. WJSA: Agroecology and Sustainable Food Systems. 37:882-901.

Powell, J.M., C.A. Rotz, and M.A. Wattiaux. 2014. Potential use of milk urea N as a management tool to abate atmospheric nitrogen emissions from Wisconsin dairy farms. Journal of Environmental Quality. 43:1169-1175.

Alfonso-Avila, A., M.A. Wattiaux, A. Espinoza-Ortega, E. Sánchez-Vera and C.M. Arriaga-Jordan. 2012. Local Feeding Strategies and milk composition in small-scale dairy production systems during the rainy season in the Highlands of México. Tropical Animal Health and Production. 44:637-644.

Aguerre M.J., M.A. Wattiaux and J.M. Powell. 2012. Emissions of ammonia, nitrous oxide, methane, and carbon dioxide during storage of dairy cow manure as affected by dietary forage-to-concentrate ratio and crust formation. J. Dairy Sci. 95:7409–7416.

Aguerre M.J., M.A. Wattiaux, T. Hunt and N.E. Lobos. 2012. Effect of nitrogen content and additional straw on changes in chemical composition, volatile losses, and ammonia emissions from dairy manure during long-term storage. J. Dairy Sci. 95:3454-3466.

Aguerre, M.J., M.A. Wattiaux, J.M. Powell, G.A. Broderick and C. Arndt. 2011. Effect of forage-to-concentrate ratio in dairy cow diets on emission of methane, carbon dioxide, and ammonia, lactation performance, and manure excretion. J. Dairy Sci. 94:3081–3093.

Powell, J.M., M.J. Aguerre and M.A. Wattiaux. 2011. Dietary Crude Protein and Tannin Impact Dairy Manure Chemistry and Ammonia Emissions from Incubated Soils.
Journal of Environmental Quality. 40:1767-1774.

Powell, J.M., M.J. Aguerre and M.A. Wattiaux. 2011. Tannin Extracts Abate Ammonia Emissions from Simulated Dairy Barn Floors. Journal of Environmental Quality. 40:907-914.

Aguerre, M.J., M.A. Wattiaux, T. Hunt and B.R. Larget. 2010. Effect of dietary crude protein on ammonia-N emission measured by herd nitrogen mass balance in a freestall dairy barn managed under farm-like conditions. Animal. 4:8, 1390–1400.

Peer Reviewed Publications, Book Chapters and Book Reviews

Wattiaux, M.A. 2017. Dairy sector across the world: National trends and opportunities for sustainable growth in Large Dairy Herd Management, 3rd ed. American Dairy Science Association: 3-19. Complete e-book here.

Wattiaux, M.A. 2015. Decoding and Encoding the “DNA” of Teaching and Learning in Institutions of Higher Education; Ch 1, pp 1-11 in: Molecular and Quantitative Animal Genetic. H. Khatib ed; Wiley Blackwell; (ISBN 978-1-118-67740-7).

Wattiaux, M.A. 2013. Student Demographics Influencing Self-reported Learning Gains and Change in Worldviews in a Discussion-driven International Livestock Agriculture Classroom. NACTA J. 57(3):83-90.

Wattiaux, M.A. 2012. Recognizing and Promoting Effective Teaching and Learning Practice Among Future and Current Instructors: Laying New Ground for the 21st Century, pp 43-66 In Proceedings of a National Conference on Teaching and Learning in the Animal Sciences: Challenging Old Assumptions and Breaking New Ground for the 21st Century. University of Wisconsin System Boards of Regents (ISBN 978-1-59215-157-4).

Wattiaux, M.A., J. Blazek, and J.J. Olmos Colmenero. 2012. An Overview of the Mexican Family Dairy Production System: Result of Research done in Altos, Jalisco, Mexico. Babcock Institute Discussion paper 2012-2 (51pp). The Babcock Institute, University of Wisconsin-Madison.

Van Eyck, M., L. Van Toll and M. Wattiaux. 2012. Engaging Science Faculty in Internationalization: Teaching Innovation at UW-Madison. Institute of International Education Networker (IIEN), Spring 2012:28-31.