Karen M. Koenig, Ph.D.

Image Karen Koenig
Chercheuse

Nutrition des ruminants

Recherche et / ou projets en cours

Les phytobiotiques comme solution de remplacement des antimicrobiens dans la production de bovins de boucherie

Stratégies pour une culture durable d’annuelles dans la vallée du bas Fraser et d’autres régions d’agriculture intensive

Améliorer le bilan nutritionnel dans les exploitations laitières à l’aide de modèles de fermes et de simulations

Atténuer les émissions de méthane entérique pour améliorer le rendement environnemental des ruminants nourris aux fourrages

Énoncés de recherches/projets

Efficacité d’utilisation de l’azote et réduction des émissions d’ammoniac chez les bovins de boucherie

Extraits naturels de plantes pour optimiser la fonction du rumen et l’utilisation des éléments nutritifs

Gestion des éléments nutritifs de l’ensemble de l’exploitation et durabilité environnementale

Nutrition et métabolisme des oligo-éléments

 

Prix et études

Ph.D. en nutrition des ruminants, Université de la Saskatchewan, 1994

M.Sc. en nutrition des ruminants, Université de la Colombie-Britannique, 1988

B.Sc. (spécialisé) en sciences animales, Université de la Colombie-Britannique, 1984

 

Principales publications

Aboagye, I. A., Oba, M., Koenig, K. M., Zhao, G. Y., and Beauchemin, K. A. 2019. Use of gallic acid and hydrolyzable tannins to reduce methane emission and nitrogen excretion in beef cattle fed a diet containing alfalfa silage. J. Anim. Sci. 97:2230-2244. DOI : 10.1093/jas/skz101

 

Cordeiro, M. R. C., Rotz, A., Kroebel, R., Beauchemin, K. A., Hunt, D., Bittman, S., Koenig, K. M., and Mckenzie, D. B. 2019. Prospects of forage production forage production in northern regions under climate and land-use changes: A case study of a dairy farm in Newfoundland, Canada. Agronomy 9:31. DOI :10.3390/agronomy9010031

 

Aboagye, I. A., M. Oba, A. R. Castillo, K. M. Koenig, A. D. Iwassa, and K. A. Beauchemin. 2018. Effects of hydrolysable tannin with or without condensed tannin on methane emissions, nitrogen use, and performance of beef cattle fed a high-forage diet. J. Anim. Sci. 96:5276–5286. DOI :10.1093/jas/sky352

 

Koenig, K. M., Beauchemin, K. A., and McGinn, S. M. 2018 Feeding condensed tannins to mitigate ammonia emissions from beef feedlot cattle fed high protein finishing diets containing distillers grains. J. Anim. Sci. 96:4414-4430. DOI :10.1093/jas/sky274

 

Koenig, K. M., and Beauchemin. K. A. 2018. Effect of feeding condensed tannins in high protein finishing diets containing corn distillers grains on ruminal fermentation, nutrient digestibility, and route of nitrogen excretion in beef cattle. J. Anim. Sci. 96:4398-4413. DOI :10.1093/jas/sky273

 

Thomas, B. W., Gao, X., Stoeckli, J. L., Beck, R., Liu, K., Koenig, K. M., Beres, B. L., and Hao, X. 2017. Nitrapyrin reduced nitrous oxide emissions from beef cattle urine patches on a semiarid tame pasture. Soil Sci. Soc. Am. J. 81:1537-1547. DOI :10.2136/sssaj2017.04.0123

           

Lee, C., Campos, F. S., Araujo, R. C., Koenig, K. M., and Beauchemin, K. A. 2017 In situ and in vitro evaluations of a slow release form of nitrate for ruminants: rumen nitrate metabolism and production of methane, hydrogen, and nitrous oxide. Anim. Feed Sci. Technol. 231:97–106. DOI.org/10.1016/j.anifeedsci.2017.07.005

 

Lee, C., Araujo, R. C., Koenig, K. M., and Beauchemin, K. A. 2017. Effects of encapsulated nitrate on growth performance, carcass characteristics, nitrate residues in tissues, and enteric methane emissions in beef steers: Finishing phase. J. Anim. Sci. 95:3712–3726. DOI :10.2527/jas2017.1461

 

Lee, C., Araujo, R. C., Koenig, K. M., and Beauchemin, K. A. 2017. Effects of encapsulated nitrate on growth performance, nitrate toxicity, and enteric methane emissions in beef steers: Backgrounding phase. J. Anim. Sci. 95:3700–3711. DOI : 10.2527/jas2017.1460

           

Jancewicz, L. J., Penner, G. B., Swift, M. L., Waldner, C. L., Koenig, K. M., Beauchemin, K. A., and McAllister, T. A. 2017. Predicting fecal nutrient concentrations and digestibilities and growth performance in feedlot cattle by near-infrared spectroscopy. J. Anim. Sci. 95:455–474 DOI :10.2527/jas2016.0876

 

Jancewicz, L. J., Swift, M. L., Penner, G. B., Beauchemin, K. A., Koenig, K. M., Chibisa, G. E., He, M. L., McKinnon, J. J., Yang, W.Z., and McAllister, T. A. 2017. Development of NIRS calibrations to estimate fecal composition and nutrient digestibility in beef cattle. Revue canadienne de zootechnie = Can. J. Anim. Sci. 97:51–64. DOI :10.1139/CJAS-2016-0107

 

Lee, C., Araujo, R. C., Koenig, K. M., Hile, M. L., Fabian-Wheeler, E. E., and Beauchemin, K. A. 2016. Effects of feeding encapsulated nitrate to beef cattle on ammonia and greenhouse gas emissions from their manure in a short-term manure storage system. J. Environ. Qual. 45:1979–1987. DOI :10.2134/jeq2016.02.0056

 

Lee, C., Araujo, R. C., Koenig, K. M., and Beauchemin, K. A. 2015. Effects of feed consumption rate of beef cattle offered a diet supplemented with nitrate ad libitum or restrictively on potential toxicity of nitrate. J. Anim. Sci.93:4956-4966. DOI :10.2527/jas2015-9435

 

Vyas, D., Beauchemin, K. A., and Koenig, K. M. 2015. Using organic acids to control ruminal acidosis and fermentation in feedlot cattle fed a high grain diet. J. Anim. Sci. 93:3950–3958. DOI :10.2527/jas2015-9009

 

Lee, C., Araujo, R. C., Koenig, K. M., and Beauchemin, K. A. 2015. Effects of encapsulated nitrate on eating behavior, rumen fermentation, and blood profile of beef heifers fed restrictively or ad libitum. J. Anim. Sci. 93:2405–2418. DOI :10.2527/jas2014-8851

 

Lee, C., Araujo, R. C., Koenig, K. M., and Beauchemin, K. A.  2015 Effects of encapsulated nitrate on enteric methane production, and nitrogen and energy utilization in beef heifers J. Anim. Sci. 93:2391–2404. DOI :10..2527/jas2014-8845

 

Koenig, K. M. and Beauchemin, K. A. 2013. Nitrogen metabolism and route of excretion in beef feedlot cattle fed barley-based finishing diets varying in protein concentration and rumen degradability. J. Anim. Sci. 91:2310–2320. DOI : 10.2527/jas.2012-5653

 

Koenig, K. M. and Beauchemin, K. A. 2013. Nitrogen metabolism and route of excretion in beef feedlot cattle fed barley-based backgrounding diets varying in protein concentration and rumen degradability. J. Anim. Sci. 91:2295–2309. DOI : 10.2527/jas.2012-5652

 

Koenig, K. M., McGinn, S. M., and Beauchemin, K. A. 2013. Ammonia emissions and performance of backgrounding and finishing beef feedlot cattle fed barley-based diets varying in dietary crude protein concentration and rumen degradability. J. Anim. Sci. 91:2278–2294. DOI : 10.2527/jas.2012-5651

Affiliations

Comité éditorial principal, Animal Feed Science and Technology

Membre de la Société canadienne de science animale, de l’American Society of Animal Science, et de l’American Dairy Science Association

 

Langue

Anglais