Andrea K. Watson

Photo Andrea Watson Research Assistant Professor Ruminant Nutrition

C219 Animal Science
Lincoln, NE 68583-0908
Phone: (402) 472-6058
Email: awatson3@unl.edu

Education
  • Doctor of Philosophy December 2014 University of Nebraska-Lincoln
    Major: Animal Science, Ruminant Nutrition
  • Master of Science December 2010 University of Nebraska-Lincoln
    Major: Animal Science, Ruminant Nutrition
  • Bachelor of Science December 2007 University of Nebraska-Lincoln
    Major: Animal Science Minors: Mathematics and Agribusiness
Experience
Research Assistant Professor University of Nebraska, November 2014 – present
  • Program areas of focus
    • Protein utilization by beef cattle
    • Nutrient cycling through agricultural systems in Nebraska
    • Developing distance education curriculum

Research Technician University of Nebraska, September 2010 – October 2014

  • Assist faculty members in coordinating research projects measuring biological responses in cattle, laboratory analyses, metabolism studies and economic analyses. Responsibilities include:
    • Data collection including coordination of labor
    • Formulation of cattle diets to meet study objectives
    • Summary and statistical analysis of data
    • Publishing results in scholarly journals

Honors

  • ASAS Midwestern Section Young Scholar 2015
  • 2nd place Midwest Section ASAS, poster presentation PhD division 2014


Grant Record

  • 2015: $88,649

Publications
21 Refereed Journal Articles (19 published, 2 in progress); 27 Research Reports; 31 Proceeding Abstracts

Refereed Journal Articles 21 total

  • 2016 K.L. Gillspie-Lewis, B.L. Nuttelman, J.D. Volesky, G. E. Erickson, T.J. Klopfenstein, J.C. MacDonald, A.K. Watson. Distillers grains supplementation in a forage system with spayed heifers. Prof. Anim. Sci. In review.
  • 2016 T.J. Huls, M.K. Luebbe, A.K. Watson, N.F. Meyer, W.A. Griffin, T.J. Klopfenstein, R.A. Stock, G.E. Erickson. Utilizing Sweet Bran instead of forage during grain adaptation in finishing feedlot cattle. J. Anim. Sci. Accepted.
  • 2015 J.R. Benton, A.K. Watson, G.E. Erickson, T.J. Klopfenstein, K.J. Vander Pol, N.F. Meyer, M.A. Greenquist. Effects of roughage source and inclusion in beef finishing diets containing corn wet distillers grains plus solubles. J. Anim. Sci. 93:4358-4367.
  • 2015 A.K. Watson, S.K. Moore, T.J. Klopfenstein, L.W. Lomas, J.L. Moyer, J.C. MacDonald. Strategic timing of distillers grains supplementation for growing cattle grazing smooth bromegrass pastures. Prof. Anim. Sci. 31:417-424.
  • 2015 K.L. Gillespie-Lewis, A.K. Watson, T.J. Klopfenstein, J.C. MacDonald. Effects of winter supplementation level on yearling system profitability. Prof. Anim. Sci. 31:448-454.
  • 2015 A.K. Watson, J.C. MacDonald, G.E. Erickson, P.J. Kononoff, T.J. Klopfenstein. Optimizing the use of fibrous residues in beef and dairy diets. J. Anim. Sci. 93:2616-2625. Invited Review.
  • 2015 M.K. Yerka, A.K. Watson, J.J. Toy, G.E. Erickson, J.F. Pedersen, R. Mitchell. Yield and forage value of a dual-purpose bmr-12 sorghum hybrid. Crop Science. 55:681-687.
  • 2014 A.K. Watson, K.J. VanderPol, T.J. Huls, M.K. Luebbe, G.E. Erickson, T.J. Klopfenstein, M.A. Greenquist. Effect of dietary inclusion of wet or modified distillers grains plus solubles on performance of finishing cattle. Prof. Anim. Sci. 30:585-596.
  • 2014 J.A. Guretzky, A.B. Wingeyer, W.H. Schacht, T.J. Klopfenstein, A.K. Watson. Soil organic matter and root and rhizome responses to management strategies in smooth bromegrass pastures. Agronomy Journal 106:1886-1892.
  • 2014 Q.M. Dudley, A. J. Liska, A.K. Watson, G.E. Erickson. Uncertainties in life cycle greenhouse gas emissions from US beef cattle. Journal of Cleaner Production 75:31-39. Available online http://www.sciencedirect.com/science/article/pii/S0959652614003205.
  • 2014 J.A. Guretzky, W.H. Schacht, A.B. Wingeyer, T.J. Klopfenstein, A.K. Watson. Litter deposition and nitrogen return in rotationally stocked smooth bromegrass pastures. Agronomy Journal 106:175-184.
  • 2013 A.K. Watson, B.L. Nuttelman, T.J. Klopfenstein, L.W. Lomas, G.E. Erickson. Impacts of a limit feeding procedure on variation and accuracy of cattle weights. J. Anim. Sci. 91:5507-5517.
  • 2013 N. Kobayashi, E. Noel, A. Barnes, A. Watson, J. Rosenberg, G. Erickson, G. Oyler. Characterization of Chlorella sorokiniana strains in anaerobic digested effluent from cattle manure. Bioresource Technology 150:377-386.
  • 2013 C.A. Nichols, V. Bremer, A. Watson, C. Buckner, J. Harding, G. Erickson, T. Klopfenstein, D. Smith. The effect of sulfur and use of ruminal available sulfur as a model to predict incidence of polioencephalomalacia in feedlot cattle. The Bovine Practitioner Vol 47 No 1: 47-53.
  • 2013 C.D. Buckner, T.J. Klopfenstein, K.M. Rolfe, J.R. Benton, J.C. MacDonald, A.K. Watson, W.H. Schacht, W.A. Griffin, M.J. Lamothe, P. Shroeder. Undegradable intake protein content and digestibility for forages using the mobile bag in-situ technique. J. Anim. Sci. 91:1-11.
  • 2013 J.A. Guretzky, W. Schacht, L. Snell, J. Soper, S. Moore, A. Watson, T. Klopfenstein. Nitrogen input effects on herbage accumulation and presence of pasture plant species. Agronomy Journal 105:915-921.
  • 2012 A.K. Watson, T.J. Klopfenstein, W.H. Schacht, G.E. Erickson, D.R. Mark, M.K. Luebbe, K.R. Brink, M.A. Greenquist. Smooth bromegrass pasture beef growing systems: fertilization strategies and economic analysis. Prof. Anim. Sci. 28: 443-451.
  • 2012 G.E. Erickson, T.J. Klopfenstein, A.K. Watson. Utilization of feed byproducts from the wet and dry milling industry for beef cattle. Pg. 77-99. In FAO. Biofuel co-products as livestock feed – Opportunities and challenges, edited by Harinder P.S. Makkar. Rome, Italy. http://www.fao.org/docrep/016/i3009e/i3009e.pdf
  • 2011 V.R. Bremer, A.K. Watson, A.J. Liska, G.E. Erickson, K.G. Cassman, K.J. Hanford, T.J. Klopfenstein. Impact of distillers' grains moisture and inclusion level in livestock diets on greenhouse gas emissions in the corn ethanol livestock life cycle. Prof. Anim. Sci. 27: 449-455.
  • 2011 M.A. Greenquist, A.K. Schwarz, T.J. Klopfenstein, W.H. Schacht, G.E. Erickson, K.J. Vander Pol, M.K. Luebbe, K.R. Brink, L.B. Baleseng. Effects of nitrogen fertilization and dried distillers grains supplementation: Nitrogen use efficiency. J. Anim. Sci. 89: 1146-1152.
  • 2009 M.A. Greenquist, T.J. Klopfenstein, W.H. Schacht, G.E. Erickson, K.J. Vander Pol, M.K. Luebbe, K.R. Brink, A.K. Schwarz, L.B. Baleseng. Effects of nitrogen fertilization and dried distillers grains supplementation: Forage use and performance of yearling steers. J. Anim. Sci. 87: 3639-3646.
Research Reports 27 total
  • 2016 C.A. Welchons, R.G. Bondurant, T.J. Klopfenstein, J.C. MacDonald, A.K. Watson. Performance and economics of supplementing yearlings on smooth bromegrass pastures. Nebraska beef cattle report, MP103-A:61-64.
  • 2016 S.E. Gardine, A.K. Watson, J.L. Harding, T.J. Klopfenstein. Accurate amounts and nutritive values of corn residues. Nebraska beef cattle report, MP103-A:71-73.
  • 2016 C.A. Row, R.G. Bondurant, A.K. Watson, J.L. Harding, J.C. MacDonald, T.J. Klopfenstein, G.E. Erickson. Effect of corn plant maturity on yield and nutrient quality of corn plants, 2-year summary. Nebraska beef cattle report, MP103-A:79-80.
  • 2016 A.K. Watson, M.K. Luebbe, G.E. Erickson. Evaluation of varying corn grain (and byproduct) inclusion in beef cattle finishing diets. Nebraska beef cattle report, MP103-A:89-90.
  • 2016 C. Oney, C.J. Bittner, F.H. Hilscher, A.K. Watson, T.J. Klopfenstein, G.E. Erickson, W. Rounds. Rumen protected amino acids in finishing cattle diets. Nebraska beef cattle report, MP103-A:115-116.
  • 2015 J.M. Warner, A.K. Watson, K.H. Jenkins, R.J. Rasby, K. Brooks, T.J. Klopfenstein. An economic analysis of conventional and alternative cow-calf production systems. Nebraska beef cattle report, MP101-A:19-21.
  • 2015 M. Jones, J.C. MacDonald, G.E. Erickson, T.J. Klopfenstein, K.R. Brooks, D.B. Burken, R. Bondurant, A.K. Watson. Comparison of commercial lick tubs to distillers grains supplementation for calves grazing corn residue. Nebraska beef cattle report, MP101-A:27-29.
  • 2015 M. Jones, J.C. MacDonald, T.J. Klopfenstein, G.E. Erickson, K. Glewen, A.K. Watson. Evaluation of changes in nutritional quality of corn residue over time. Nebraska beef cattle report, MP101-A:59-61.
  • 2015 A.C. Pesta, A.K. Watson, R.G. Bondurant, S.C. Fernando, G.E. Erickson. Effects of dietary fat source and monensin on methane emissions, VFA profile, and performance of finishing steers. Nebraska beef cattle report, MP101-A:105-107.
  • 2015 A.K. Watson, J.L. Harding, M.P. McCurdy, M.J. Hersom, K.E. Hales, C.R. Krehbiel, G.E. Erickson. Mineral composition of beef cattle carcasses. Nebraska beef cattle report, MP101-A:108-110.
  • 2015 A.K. Watson, T.J. McEvers, L.J. Walter, J.A. Reed, N.A. Cole, T.E. Lawrence, J.C. MacDonald, G.E. Erickson. Mineral composition of serial slaughter Holstein carcasses. Nebraska beef cattle report, MP101-A:111-114.
  • 2015 A.K. Watson, A.L. Shreck, A.M. Schmidt, T.J. Klopfenstein, G.E. Erickson. Anaerobic digestion of feedlot manure. Nebraska beef cattle report, MP101-A:115-116.
  • 2014 A.K. Watson, G.E. Erickson, T.J. Klopfenstein, M.J. Rincker. Effect of Micro-Aid supplementation on nitrogen losses from manure. Nebraska beef cattle report, MP 99-A: 97-98.
  • 2014 A.C. Pesta, A.K. Watson, S. Fernando, G.E. Erickson. Effects of forage quality, MDGS, and monensin on performance, methane concentration, and ruminal fermentation of growing cattle. Nebraska beef cattle report, MP 99-A: 29-31.
  • 2014 M.L. Bremer, A.K. Watson, D.B. Burken, J.C. MacDonald, G.E. Erickson. Energy value of de-oiled modified distillers grains plus solubles in a forage-based diet. Nebraska beef cattle report, MP 99-A: 32-33.
  • 2014 M. Jones, J.C. MacDonald, G.E. Erickson, T.J. Klopfenstein, A.K. Watson. Effect of distillers grains supplementation on calves grazing irrigated or non-irrigated corn residue. Nebraska beef cattle report, MP 99-A: 48-49.
  • 2013 S.K. Moore, A.K. Watson, T.J. Klopfenstein, G.E. Erickson, W.H. Schacht. Economics analysis update: Supplementing distillers grains to yearling steers. Nebraska beef cattle report, MP 98-A: 33-35.
  • 2013 A.K. Watson, G.E. Erickson, T.J. Klopfenstein, S.C. Fernando, J.L. Harding. Anaerobic digestion of finishing cattle manure. Nebraska beef cattle report, MP 98-A: 98-99.
  • 2012 A.K. Watson, B.L. Nuttelman, T.J. Klopfenstein, G.E. Erickson, C.J. Schneider. Research results are dependent on accurate cattle weights. Nebraska beef cattle report, MP 95-A: 45-46.
  • 2012 C.A. Nichols, V.R. Bremer, A.K. Watson, C.D. Buckner, J.L. Harding, D.R. Smith, G.E. Erickson, T.J. Klopfenstein. Meta-analysis of the effect of dietary sulfur on feedlot health. Nebraska beef cattle report, MP 95-A: 82-84.
  • 2012 A.K. Watson, G.E. Erickson, T.J. Klopfenstein, R.K. Koelsch, R.E. Massey, J.H. Harrison. Feedlot manure utilization as influenced by application scheme and diet. Nebraska beef cattle report, MP 95-A: 104-105.
  • 2011 A.K. Watson, W.A. Griffin, T.J. Klopfenstein, G.E. Erickson, K.R. Brink, W.H. Schacht. Supplementing DDGS to steers grazing smooth bromegrass pastures. Nebraska beef cattle report, MP 94-A: 24-25.
  • 2011 A.K. Watson, T.J. Klopfenstein, G.E. Erickson, D.R. Mark, W.H. Schacht. Economic analysis of supplementing DDGS to grazing steers. Nebraska beef cattle report, MP 94-A: 26-27.
  • 2010 A.K. Watson, M.K. Luebbe, T.J. Klopfenstein, G.E. Erickson, K.R. Brink, W.H. Schacht. Supplementing dried distillers grains to growing calves on smooth bromegrass pastures. Nebraska beef cattle report, MP 93-A: 38-39.
  • 2010 J.R. Geis, A.K. Watson, G.E. Erickson, T.J. Klopfenstein, J.R. Benton, W.A. Griffin, R.B. Mitchell, J.F. Pedersen. Forage quality and grazing performance of beef cattle grazing brown midrib grain sorghum residue. Nebraska beef cattle report, MP 93-A: 40-41.
  • 2009 M.A. Greenquist, T.J. Klopfenstein, W.H. Schacht, G.E. Erickson, K.J. Vander Pol, M.K. Luebbe, K.R. Brink, A.K. Schwarz, L.B. Baleseng. Replacing fertilizer nitrogen with dried distillers grains supplement to yearling steers grazing bromegrass pastures: daily gain and nitrogen use efficiency. Nebraska beef cattle report, MP 92-A: 22-24.
  • 2008 A.K. Schwarz, C.M. Godsey, M.K. Luebbe, G.E. Erickson, T.J. Klopfenstein, R.B. Mitchell, J.F. Pedersen. Forage quality and grazing performance of beef cattle grazing brown mid-rib grain sorghum residue. Nebraska beef cattle report, MP 91-A: 31-33.
Professional meeting abstracts/presentations 31 total
  • 2015 A.K. Watson, T.J. Klopfenstein, V.A. Wilkerson, G.E. Erickson, J.C. MacDonald. Comparison of methods to calculate metabolizable protein requirements of growing beef cattle. National ASAS meetings.
  • 2015 C. Welchons, T.J. Klopfenstein, J.C. MacDonald, A.K. Watson, R. Bondurant. Performance and economic analysis of calves grazing smooth bromegrass. National ASAS meetings.
  • 2015 G.E. Erickson, S.C. Fernando, T.J. Klopfenstein, A.K. Watson, J.C. MacDonald, A.C. Pesta, A.L. Knoell, H. Paz. Greenhouse gas emissions and nitrogen cycling from beef production systems: Effects of climate, season, production system, and diet. National ASAS meetings. Invited presentation.
  • 2015 A.K. Watson, T. McEvers, M.J. Hersom, M.P. McCurdy, L.J. Walter, N.D. May, J.A. Reed, N.A. Cole, K.E. Hales, G.W. Horn, J.P. Hutcheson, T.J. Klopfenstein, C.R. Krehbiel, T.Lawrence, J.C. MacDonald, G.E. Erickson. Effect of production system on mineral retention within serially slaughtered cattle. J. Anim. Sci. 93 (Suppl. 2): 196. Midwest ASAS meetings. Invited presentation.
  • 2015 A.K. Watson, M.K. Luebbe, G.E. Erickson. Starch inclusion in beef cattle finishing diets. J. Anim. Sci. 93 (Suppl. 2): 207. Midwest ASAS meetings.
  • 2015 A.K. Watson, G.E. Erickson, T.J. Klopfenstein, A.M. Schmidt. Anaerobic digestion of high ash, open lot beef cattle manure. J. Anim. Sci. 93 (Suppl. 2): 325. Midwest ASAS meetings.
  • 2014 A.C. Pesta, A.K. Watson, R.G. Bondurant, S.C. Fernando, G.E. Erickson. Effects of dietary fat source and monensin on methane to carbon dioxide ratio, VFA profile, and performance of finishing steers. J. Anim. Sci. 92 (Suppl. 3): 682. National ASAS meetings.
  • 2014 A.K. Watson, T.J. McEvers, M.P. McCurdy, M.J. Hersom, L.J. Walter, N.D. May, J.A. Reed, N.A. Cole, K.E. Hales, J.P. Hutcheson, G.W. Horn, C.R. Krehbiel, T.E. Lawrence, J.C. MacDonald, G.E. Erickson. Phosphorus and calcium retention in serially harvested cattle. Presented at Plains Nutrition Council, San Antonio, TX.
  • 2014 A.K. Watson, G.E. Erickson, T.J. Klopfenstein, M.J. Rincker. Effect of Micro-Aid® supplementation on nitrogen losses from cattle manure. J. Anim. Sci. 92 (Suppl. 2): 361.
  • 2014 M. Jones, J.C. MacDonald, T.J. Klopfenstein, G.E. Erickson, A.K. Watson. Effect of distillers grains on average daily gain of cattle grazing corn residue. J. Anim. Sci. 92 (Suppl. 2): 207.
  • 2014 M.L. Bremer, D.B. Burken, A.K. Watson, J.C. MacDonald, G.E. Erickson. Energy value of de-oiled modified distillers grains plus solubles in a forage-based diet. J. Anim. Sci. 92 (Suppl. 2): 209.
  • 2014 A.C. Pesta, A.K. Watson, S.C. Fernando, G.E. Erickson. Effects of diet on methane, VFA profile, and performance of growing calves. J. Anim. Sci. 92 (Suppl. 2): 220.
  • 2014 M. Jones, J.C. MacDonald, T.J. Klopfenstein, G.E. Erickson, K. Glewen, A.K. Watson. Evaluation of changes in nutritional quality of corn residue throughout grazing period. J. Anim. Sci. 92 (Suppl. 2): 224.
  • 2013 N. Kobayashi, E. Noel, A. Barnes, A. Watson, T. Jensen, J. Rosenberg, G. Erickson, G. Oyler. Characterization of Chlorella sp. in hanging bag cultivation using effluent from cattle manure anaerobic digestion. Poster at Algae Biomass Summit, Orlando, FL.
  • 2013 A.K. Watson, S.C. Fernando, G.E. Erickson, T.J. Klopfenstein. Anaerobic digestion of finishing cattle manure. Presented at Waste to Worth conference, Denver CO. http://www.extension.org/67633
  • 2013 A.K. Watson, G.E. Erickson, T.J. Klopfenstein, R.K. Koelsch, R.E. Massey, J.H. Harrison, M.K. Luebbe. BFNMP$: A tool for estimating transport costs for feedlot manure. Presented at Waste to Worth conference, Denver CO. http://www.extension.org/67634
  • 2012 A.K. Watson, Y. Wanniarachchi, T.J. Klopfenstein, G.E. Erickson, J.L. Harding, A.L. Shreck, C.J. Johnson, M.M. Klosterman, S.C. Fernando. Microbial community shifts during anaerobic digestion of finishing cattle manure with and without distillers grains in the diet. J. Anim. Sci. 90 (Suppl. 3): T239.
  • 2012 A.K. Watson, G.E. Erickson, T.J. Klopfenstein, R.K. Koelsch, R.E. Massey, J.H. Harrison, M.K. Luebbe. BFNMP$: A tool for estimating feedlot manure economics. J. Anim. Sci. 90 (Suppl. 2): 236P.
  • 2012 A.K. Watson, T.J. Klopfenstein, G.E. Erickson, S.C. Fernando, J.L. Harding, A.L. Shreck.
  • Anaerobic digestion of finishing cattle manure with and without distillers grains in the diet. J. Anim. Sci. 90 (Suppl. 2): 202.
  • 2012 A.K. Watson, T.J. Klopfenstein, L.W. Lomas, G.E. Erickson, B.L. Nuttelman. Research results are dependent on accurate cattle weights. J. Anim. Sci. 90 (Suppl. 2): 205.
  • 2012 A.K. Watson, S.C. Fernando, G.E. Erickson, T.J. Klopfenstein, A.K. Watson, S.C. Fernando, G.E. Erickson, T.J. Klopfenstein, Y. Wanniarachchi. Anaerobic digestion of finishing cattle manure. Presented at Plains Nutrition Council, San Antonio, TX.
  • 2012 E.A. Noel, A.L. Barnes, N. Kobayashi, A.K. Watson, J.N. Rosenberg, M.J. Betenbaugh, P. Bohutskyi, E. Bouwer, C. Bailey, G.E. Erickson, J. Van Etten, G.A. Oyler. Integrated algae growth on anaerobic digester effluent: Phylogeny and lipid compositions of chlorella sp. Poster at Algae Biomass Summit, Denver, CO.
  • 2011 A.K. Watson, T.J. Klopfenstein, G.E. Erickson, W.H. Schacht, D.R. Mark. Economic analysis of smooth bromegrass pasture beef growing systems. J. Anim. Sci. 89 (Suppl. 3): 85.
  • 2011 B.L Sorensen, A.K. Watson, C.A. Nichols, C.D. Buckner, K.H. Jenkins, T.J. Klopfenstein, G.E. Erickson. Effects of feeding steam-flaked corn, dry-rolled corn, and wet distillers grains plus solubles on variance in cattle intake. J. Anim. Sci. 89 (Suppl. 3): 347.
  • 2011 S.K. Pruitt, K.M. Rolfe, B.L. Nuttelman, A.K. Watson, W.A. Griffin, T.J. Klopfenstein, G.E. Erickson, W.H. Schacht. Strategies of supplementing dried distillers grains to yearling steers grazing smooth bromegrass pastures. J. Anim. Sci. 89 (Suppl. 3): 297.
  • 2011 G.E. Erickson, T.J. Klopfenstein, V.R. Bremer, A.K. Watson. Diet impacts on manure nitrogen concentration and acreage requirements. J. Anim. Sci. 89 (Suppl. 3): 295. Invited presentation.
  • 2010 A.K. Watson, W.A. Griffin, T.J. Klopfenstein, G.E. Erickson, V.R. Bremer, K.R. Brink, W.H. Schacht. Seasonal response to dried distillers grains on smooth bromegrass pastures. J. Anim. Sci. 88 (Suppl. 3): 79.
  • 2010 A.K. Watson, J.R. Geis, W.A. Griffin, G.E. Erickson, T.J. Klopfenstein, R.B. Mitchell, J.F. Pedersen. Forage quality and grazing performance of beef cattle grazing brown mid-rib grain sorghum residue. J. Anim. Sci. 88 (Suppl. 3): 296.
  • 2009 A.K Watson, M.K. Luebbe, T.J. Klopfenstein, G.E. Erickson, K.R. Brink, W.H. Schacht. Supplementing dried distillers grains to growing calves on smooth bromegrass pastures. J. Anim. Sci. 87 (Suppl. 3): 259.
  • 2008 A.K. Schwarz, C.M. Godsey, M.K. Luebbe, G.E. Erickson, T.J. Klopfenstein, R.B. Mitchell, J.F. Pedersen. Forage quality and grazing performance of beef cattle grazing brown mid-rib grain sorghum residue. J. Anim. Sci. 86 (Suppl. 3): 288.
  • 2008 M.A. Greenquist, T.J. Klopfenstein, W.H. Schacht, G.E. Erickson, M.K. Luebbe, K.J. Vander Pol, A.K. Schwarz. Dried distillers grains substitute for forage and nitrogen in smooth bromegrass pastures. J. Anim. Sci. 86 (Suppl. 3): 268.
University of Nebraska - Lincoln Animal Science Department