Karen M. Koenig, Ph.D.

Image Karen Koenig
Research Scientist

Ruminant Nutrition

Current research and/or projects

Phytobiotics as alternatives to antimicrobials in beef cattle production

Strategies for sustainable cropping of annual crops in the Lower Fraser Valley and other intensive agricultural regions

Improving nutrient balances on dairy farms using model farmlets and simulation

Mitigating enteric methane emissions to improve environmental performance of forage-fed ruminants

Research and/or project statements

Nitrogen-use efficiency and mitigation of ammonia emissions from beef cattle

Natural plant extracts to optimize rumen function and nutrient utilization

Whole farm nutrient management and environmental sustainability

Trace mineral nutrition and metabolism

Education and awards

Ph.D. Ruminant Nutrition, University of Saskatchewan, 1994

M.Sc. Ruminant Nutrition, University of British Columbia, 1988

B.Sc. (Honours). Animal Science, University of British Columbia, 1984

Key publications

  1. Hunt, D; Bittman, S., Koenig, K. and Telford, G. Jump-Starting Fall Cover Crops By Relay Cropping; The Case of Italian Ryegrass and Corn. ASA, CSSA and SSSA International Annual Meetings Nov. 10-13, 2019.

    2019 - View publication details

  2. Koenig, K.M., and Beauchemin, K. A. 2017. Feeding tannins to reduce nitrogen losses from feedlot cattle fed high protein diets containing wheat distillers grains: ruminal fermentation, digestibility, and route of nitrogen excretion. J. Anim. Sci. 95 (Suppl. 4):279-280 (Abstr.). doi:10.2527/asasann.2017.569

    2017 - View publication details

  3. Hunt, D., Bittman, S., Koenig, K. 2016. "Optimizing Corn –Cover Crop Systems for Production of Dairy Feed in a Changing Climate in BC, Canada." ASA-CSSA-SSSA International Annual Meeting 2016-Phoenix, AZ, Nov. 6-9.

    2016 - View publication details

  4. Hunt, D., Bittman, S., Koenig, K. 2016. "Increasing nutrient production on dairy farms by less frequent harvesting of late maturing grass varieties." ASA-CSSA-SSSA International annual meeting 2016-Phoenix, AZ, Nov. 6-9.

    2016 - View publication details

  5. Bittman, S., Hunt, D., Koenig, K., Duynisveld, J., Mckenzie, D., Kroebel, R., and Haak, D. "Semi-Virtual Model Farmlets to Study Nutrients in Livestock Farms: Proposed Dairy System Case Study. 2016. ASA-CSSA-SSSA International Annual Meeting 2016-Phoenix, AZ, Nov. 6-9.

    2016 - View publication details

  6. Koenig, K. M. and McGinn, S. M. 2016. Effect of temperature on ammonia emissions from feedlot cattle manure. J. Anim. Sci. 94, E-Suppl. 5/J. Dairy Sci. 99, E. Suppl. 1:569-570 (Abstr.). doi.org/10.2527/jam2016-1187

    2016 - View publication details

  7. Koenig, K.M., McGinn, S.M., and Beauchemin, K.A. (2013). "Feeding tannins to reduce ammonia emissions from feedlot cattle fed high protein finishing diets containing corn distillers grains.", CSAS-CMSA Joint Annual Meeting, Banff Park Lodge Resort Hotel and Conference Centre, Banff, AB, Canada, June 18-20, 2013, P56, pp. 48. (Poster)

    2013 - View publication details

  8. Koenig, K.M., Beauchemin, K.A., and Yang, W.-Z. (2013). "Processing feed grains: factors affecting the effectiveness of grain processing for beef and dairy cattle production.", 34th Western Nutrition Conference – Processing, Performance & Profits, Saskatoon, SK, Canada, September 24 - 26, 2013, pp. 62-73.

    2013 - View publication details

  9. Koenig, K.M., Beauchemin, K.A., and Yang, W.-Z. (2013). "Processing Feed Grains: Factors Affecting the Effectiveness of Grain Processing for Beef and Dairy Cattle Production.", Western Nutrition Conference, Saskatoon, SK, Canada, September 24-26, 2013.

    2013 - View publication details

  10. Koenig, K.M., Beauchemin, K.A., and McGinn, S.M. (2011). "Feeding tannins to reduce nitrogen losses from feedlot cattle fed high protein diets containing distillers grains 1. Animal performance and plasma urea nitrogen.", Journal of Dairy Science (JDS), 94(E-Suppl. 1), pp. 111. (Abstract)

    2011 - View publication details

  11. Koenig, K.M., Beauchemin, K.A., and McGinn, S.M. (2011). "Feeding tannins to reduce nitrogen losses from feedlot cattle fed high protein diets containing distillers grains 1. Animal performance and plasma urea nitrogen.", ADSA-PSA-AMPA-CSAS-ASAS 2011 Joint Annual Meeting, New Orleans, LA, USA, July 11-14, 2011. (Poster)

    2011 - View publication details

  12. Koenig, K.M., Beauchemin, K.A., and McGinn, S.M. (2011). "Feeding tannins to reduce nitrogen losses from feedlot cattle fed high protein diets containing distillers grains 2. Nutrient digestibility and route of nitrogen excretion.", ADSA-PSA-AMPA-CSAS-ASAS 2011 Joint Annual Meeting, New Orleans, LA, USA, July 11-14, 2011. (Poster)

    2011 - View publication details

  13. Koenig, K.M., Beauchemin, K.A., and McGinn, S.M. (2011). "Feeding tannins to reduce nitrogen losses from feedlot cattle fed high protein diets containing distillers grains 2. Nutrient digestibility and route of nitrogen excretion.", Journal of Dairy Science (JDS), 94(E-Suppl. 1), pp. 111. (Abstract)

    2011 - View publication details

  14. Mohammed, R., Zhou, M., Koenig, K.M., Beauchemin, K.A., and Guan, L.L. (2011). "Evaluation of rumen methanogen diversity in cattle fed diets containing dry corn distillers grains and condensed tannins using PCR-DGGE and qRT-PCR analyses.", Animal Feed Science and Technology, 166-167, pp. 122-131. doi : 10.1016/j.anifeedsci.2011.04.061

    2011 - View publication details

  15. Koenig, K.M., McGinn, S.M., and Beauchemin, K.A. (2009). "Ammonia emissions from beef feedlot cattle fed corn-based backgrounding and finishing diets varying in protein concentration and source (Abstract 107).", Journal of Animal Science, 87(E-Suppl. 2). (Abstract)

    2009 - View publication details

  16. Koenig, K.M., McGinn, S.M., and Beauchemin, K.A. (2009). "Ammonia emissions from beef feedlot cattle fed corn-based backgrounding and finishing diets varying in protein concentration and source (Abstract 107).", Journal of Dairy Science (JDS), 92(E-Suppl. 1), pp. 146. (Abstract)

    2009 - View publication details

  17. Koenig, K.M. (2009). "Increasing efficiency of nitrogen utilization in cattle.", Western Nutrition Conference, Winnipeg, MB, Canada, September 23-24, 2009, pp. 66-77.

    2009 - View publication details

  18. Koenig, K.M. and Beauchemin, K.A. (2008). "Effect of selenium yeast on selenium status, thyroid hormone concentration and passive transfer of immunogloblins in dairy cows and calves.", Journal of Animal Science, 86(E-Suppl. 2), pp. TH243. (Abstract)

    2008 - View publication details

  19. Koenig, K.M. and Beauchemin, K.A. (2008). Beef feedlot performance and ruminal pH and fermentation data. Interim Data Report for Feed-Rite, Division of Ridley Inc.,Winnipeg, MB, August 21, 2008, pp. 36. (Report)

    2008 - View publication details

  20. Koenig, K.M. and Beauchemin, K.A. (2008). Resistance of ruminal protected lysine to ruminal degradation and the delivery of lysine to the blood of cattle. Final Summary Data Report for Sage Biosciences, Inc., Edmonton, AB, November 2008. (Report)

    2008 - View publication details

Research facility

5403 1st Avenue South
Lethbridge, AB T1J 4B1
Canada

Affiliations

Senior Editorial Board, Animal Feed Science and Technology

Member Canadian Society of Animal Science, American Society of Animal Science, American Dairy Science Association

Language

English