McAllister, Tim A., Ph.D.

Principal Research Scientist, Ruminant Nutrition & Microbiology


Contact Information:

5403 - 1 Avenue South
PO Box 3000
Lethbridge, Alberta T1J 4B1
Telephone: 403-317-2240
Fax: 403-382-3156

Areas of Expertise:

  • Strategies for mitigation of fecal shedding of E. coli O157:H7 by cattle, including bacteriophage therapy, passive immunotherapy, electrolyzed oxidizing anode water, management strategies, and dietary intervention, e.g., brown seaweed; characterization of the digestive properties of cereal grains in beef cattle diets and development of methods to control the rate of cereal grain fermentation by beef cattle; prevention of pasture bloat and feedlot bloat in cattle; composting as a means of disposal of animal carcasses for containment of biohazardous agents; assessing the fate of transgenic DNA ingested by livestock in genetically modified crops used as feeds; characterization of effects of tannins on cellulose digestion by ruminants; quantification and characterization of methane emissions arising from livestock production; potential uses of plant extracts as alternatives to antibiotics in livestock production.

Current Projects:

  • Assessment and management of biological and chemical contaminants carried in livestock and poultry manure. [GAPS]
  • Characterization of antibiotic resistant bacteria in cattle and the development of alternatives to subtheraputic antibiotics.
  • Preservation methods for alfalfa and timothy hay
  • Strategies to control Escherichia coli O157:H7 in ruminants and their environment
  • The effect of Tasco on the control of E. coli O157:H7 in feedlot cattle
  • The use of egg yolk antibodies in the control of Escherichia coli O157:H7
  • Use of bacteriophage to control Escherichia coli O157:H7 in beef cattle and the environment
  • Development of a longitudinal antimicrobial resistance and antimicrobial use surveillance program for the feedlot sector in western Canada.
  • Development of a novel method for detecting uptake and the port of entry of feed-ingested DNA in mammalian tissue in situ.
  • Protecting the food chain from E. coli O157:H7 by developing bacteriophage delivery systems for feedlot cattle
  • Development of methods to destroy and measure abnormal prion protein and infectivity during composting of carcasses and high risk materials of animals infected with transmissible spongiform encephalopathies.
  • Improving the productivity of ruminants through the use of direct-fed microbials.
  • Evaluation of the potential use of plant-derived essential oils in dairy cow nutrition.
  • Best management practices to improve sustainability and productivity of forage-based beef cattle production systems.
  • Pathogens and antibiotic use in beef: safety throughout the farm-to-food continuum.
  • The effect of Tasco as an early intervention strategy for the control of E. coli O157:H7in beef cattle.
  • Development of computerized roller setting system to optimally process barley grain in a manner that minimizes digestive disease and optimizes the feed efficiency of feedlot cattle.
  • On-site composting for bio-containment and safe disposal of infectious animal carcasses and manure in the event of a bio-terrorism attack.
  • Characterization and evaluation of organisms and antimicrobial compounds capable of controlling E. coli O157:H7.

Affiliations:

  • Adjunct Professor, University of Calgary,
  • Adjunct Professor, University of Alberta,
  • Adjunct Professor, University of Lethbridge,
  • Adjunct Professor, University of Saskatchewan,
  • Adjunct Professor, University of Manitoba,
  • Adjunct Professor, Nova Scotia Agricultural College,
  • Adjunct Professor, Dalhousie University,
  • Adjunct Professor, DaLian University of Technology, China
  • Adjunct Professor, Kwame Nkrumah University, Kumasi, Ghana
  • Contributing author (Chapter 8) Agriculture, Food and Other Land Use, Intergovernmental Panel on Climate Change (IPCC)
  • Lead author and Canadian Representative (Chapter 10), IPCC Global Greenhouse Gas Inventories
  • Advisor, Canadian Cattlemen's Association Expert Committee on E. coli O157:H7

Research Publications:

The links below lead to abstracts with access to full text.

2014

2013

2012

2011

2010

2009

Other Science Related Publications:

2013

  • Agomoh, I., Hao, X., Li, C., Yang, G., Schoenau, J.J., and McAllister, T.A. (2013). "Greenhouse gas emission from soil amended with DDGS manure and compost: a laboratory study.", 50th Annual Alberta Soil Science Workshop, Lethbridge, AB, Canada, February 19-21, 2013.

2012

  • Alazzeh, A.Y., Sultana, H., McAllister, T.A., Beauchemin, K.A., Wang, Y., Holo, H., and Harstad, O.M. (2012). "In Vitro Methane Mitigation by Different Strains of Propionibacteria.", NJF Nordic Association of Agricultural Scientists.: Seminar no. 453., Climate and Pollution Agency (KLIF), Oslo, Norway, November 5-6, 2012. (Presentation)
  • Alexander, T.W. and McAllister, T.A. (2012). "Manipulating the ruminant microbiota to improve production.", DSM Pharmaceuticals Confernence: Probiotics, Rheinfelden, Switzerland, February 1-2, 201. (Presentation)
  • Amarakoon, I.D., Sura, S., Degenhardt, D., Zvomuya, F., McAllister, T.A., Larney, F.J., and Cessna, A.J. (2012). "Dissipation of fortified vs. excreted chlortetracycline, sulfamethazine and tylosin during composting of beef cattle manure.", 55th Annual Manitoba Soil Science Society Meeting, Winnipeg, MB, Canada, February 2-3, 2012. (Poster)
  • Avila, J.S., Meale, S.J., McAllister, T.A., He, M.L., Harstad, O.M., Beauchemin, K.A., McGinn, S.M., and Chaves, A.V. (2012). "Effect of replacing barley grain with glycerol in feedlot diets on nutrient digestibility, methane emissions, growth, fatty acid profiles and carcass traits of lambs.", Journal of Animal Science, 90(Suppl. 3). (Abstract)
  • Chung, Y.-H., He, M.L., McGinn, S.M., McAllister, T.A., and Beauchemin, K.A. (2012). "Methane suppressing effect of flaxseed in diets containing hay or silage.", Journal of Animal Science, 88(Suppl. 2), pp. 871-872 (#1136). (Abstract)
  • Ding, S., Meale, S.J., He, M.L., Long, J., Alazzeh, A.Y., McAllister, T.A., and Chaves, A.V. (2012). "Effect of Propionibacterium freudenreichii supplementation in diets containing canola or flaxseed oils on in vitro methanogenesis and lipid biohydrogenation.", Journal of Animal Science, 90(Suppl. 3), pp. 627 (#W362). (Abstract)
  • Gilroyed, B.H. and McAllister, T.A. (2012). "Investigation on the potential uptake of infectious prion protein by plants grown on prion-contaminated soil.", Joint PrioNet/APRI Networking and Collaboration Meeting 2012, Vancouver, BC, Canada, January 16-17, 2012.
  • Hünerberg, M., Holtshausen, L., McAllister, T.A., Beauchemin, K.A., and Okine, E.K. (2012). "In vitro methane production from increasing levels of corn- or wheat-based dried distillers grains with solubles.", Journal of Animal Science, 88(Suppl. 2), pp. 425 (#T361). (Abstract)
  • He, M.L., McAllister, T.A., and Gibb, D.J. (2012). "Effect of canola meal on growth performance, carcass quality and meat fatty acid profiles of feedlot cattle.", ADSA-AMPA-ASAS-CSAS-WSASAS 2012 Joint Annual Meeting, Hyatt Regency, Phoenix, AZ, USA, July 15-19, 2012.
  • McGeough, E.J., Chung, Y.-H., Beauchemin, K.A., McGinn, S.M., and McAllister, T.A. (2012). "Methane emissions and diet digestibility for sheep offered diets varying in fat content and forage quality.", Journal of Animal Science, 90(Suppl. 3), pp. 129-130 (#M352). (Abstract)
  • Narvaez, N., Wang, Y., and McAllister, T.A. (2012). "Effects of monensin and extracts of hops and Yucca schidigera applied alone or in combination on rumen fermentation in vitro.", ADSA-AMPA-ASAS-CSAS-WSASAS 2012 Joint Annual Meeting, Hyatt Regency, Phoenix, AZ, USA, July 15-19, 2012, W374. (Poster)
  • Schlau, N., Duineveld, L., Yang, W.-Z., McAllister, T.A., and Oba, M. (2012). "Precision processing barley grain improved feeding value of barley grain in beef cattle.", ADSA-AMPA-ASAS-CSAS-WSASAS Joint Annual Meeting, Phoenix, AZ, USA, July 15-19, 2012. (Presentation)
  • Yang, W.-Z. and McAllister, T.A. (2012). "Develop fecal starch index to predict feeding value of barley grain in feedlot cattle.", ADSA-AMPA-ASAS-CSAS-WSASAS Joint Annual Meeting, Phoenix, AZ, USA, July 15-19, 2012. (Presentation)
  • Yang, W.-Z., McAllister, T.A., and Oba, M. (2012). "Precision processing barley grain improved feeding value of barley grain in beef cattle.", ADSA-AMPA-ASAS-CSAS-WSASAS Joint Annual Meeting, Phoenix, AZ, USA, July 15-19, 2012. (Presentation)

2011

  • Acharya, S.N., Iwaasa, A.D., Coulman, B., Jefferson, P.G., McAllister, T.A., and Wang, Y. (2011). "New sainfoin keeps pace with alfalfa for safe grazing.", Plant Canada 2011, Saint Mary’s University, Halifax, NS, Canada, July 17-21, 2011.
  • Acharya, S.N., Iwaasa, A.D., McAllister, T.A., Wang, Y., and Thomas, J. (2011). "Animal performance and incidence of bloat in mixed alfalfa/sainfoin grazing.", Plant Canada 2011, Saint Mary’s University, Halifax, NS, Canada, July 17-21, 2011.
  • Addah, W., Baah, J., Barkley, C., Wilde, R.E., Okine, E.K., and McAllister, T.A. (2011). "Use of infrared thermography to assess the aerobic stability of silage.", 32nd Western Nutrition Conference: Quality from Complexity, Crowne Plaza Chateau Lacombe, Edmonton, AB, Canada, September 14-15, 2011.
  • Addah, W., Baah, J., Okine, E.K., and McAllister, T.A. (2011). "A ferulic acid esterase silage inoculant improves barley silage fermentation, aerobic stability and efficiency of feed use by growing feedlot cattle.", 60th Annual Meeting of the Canadian Society of Animal Science (CSAS), Atlantica Hotel, Halifax, NS, Canada, May 4-5, 2011.
  • Addah, W., Baah, J., Okine, E.K., and McAllister, T.A. (2011). "Effects of applying a ferouyl esterase silage inoculant at ensiling on in situ neutral detergent fibre disappearance of barley silage.", 60th Annual Meeting of the Canadian Society of Animal Science (CSAS), Atlantica Hotel, Halifax, NS, Canada, May 4-5, 2011.
  • Addah, W., Baah, J., Okine, E.K., and McAllister, T.A. (2011). "Thermal infrared assessment of aerobic stability of barley silage ensiled with or without an esterase silage inoculant in large silos.", 60th Annual Meeting of the Canadian Society of Animal Science (CSAS), Atlantica Hotel, Halifax, NS, Canada, May 4-5, 2011.
  • Amarakoon, I.D., Zvomuya, F., Degenhardt, D., Cessna, A.J., Larney, F.J., and McAllister, T.A. (2011). "Antimicrobial transport in simulated rainfall runoff from cropland amended with solid beef cattle manure.", 46th Annual Western Canada Trace Organic Workshop, Edmonton, AB, Canada, May 8-11, 2011. (Abstract)
  • Amarakoon, I.D., Zvomuya, F., Degenhardt, D., Cessna, A.J., McAllister, T.A., Larney, F.J., and Farenhorst, A. (2011). "Antimicrobial transport in simulated rainfall runoff from cropland amended with solid beef cattle manure.", 3rd International Conference on Occurrence, Fate, Effects and Analysis of Emerging Contaminants in the Environment, Copenhagen, Denmark, August 23-26, 2011. (Poster)
  • Baah, J., Addah, W., Okine, E.K., and McAllister, T.A. (2011). "Effects of homolactic bacterial inoculant alone or combined with an anionic surfactant on fermentation, aerobic stability and in situ ruminal degradability of barley silage.", Asian-Australasian Journal of Animal Science, 24(3), pp. 369-378.
  • Beauchemin, K.A., McGeough, E.J., Little, S.M., Janzen, H.H., McAllister, T.A., McGinn, S.M., and Maclean, K. (2011). "GHG modelling activities: an overview.", Seminar on Greenhouse Gases from Agriculture, Norwegian University of Life Sciences, Norway, June 29, 2011. (Presentation)
  • Beauchemin, K.A., McGeough, E.J., Little, S.M., Janzen, H.H., McAllister, T.A., McGinn, S.M., and Maclean, K. (2011). "The Holos Model: reflections on progress and future plans.", Norway, June 2011. (Presentation)
  • Braithwaite, S.L., Price, L.M., Gilroyed, B.H., Reuter, T.R., Czub, S., Graham, C., Balachandran, A., McAllister, T.A., Belosevic, M., and Neumann, N.F. (2011). "Detection of prions in anaerobic digestion sludge by PMCA 1.", PRION 2011, Montréal, QC, Canada, May 16-19, 2011.
  • Degenhardt, D., Larney, F.J., Cessna, A.J., Sura, S., Olson, A.F., and McAllister, T.A. (2011). "Dissipation of three veterinary antimicrobials in feedlot manure stockpiles.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011. (Abstract)
  • Gilroyed, B.H., Li, C.L., McAllister, T.A., and Hao, X. (2011). "Anaerotic fermentative hydrogen production using manure from cattle fed on a modified distiller’s grain diet.", 48th Annual Alberta Soil Science Workshop, Calgary, AB, Canada, February 15-17, 2011, pp. 19. (Workshop)
  • Gilroyed, B.H., Reuter, T.R., Braithwaite, S.L., Czub, S., Graham, C., Neumann, N.F., and McAllister, T.A. (2011). "Prion detection during anaerobic digestion of specified risk materials using protein misfolding cyclic amplification (PMCA) and immuno-quantitative real-time PCR (iQ-RT-PCR).", PRION 2011, Montréal, QC, Canada, May 16-19, 2011.
  • Hünerberg, M., McAllister, T.A., McGinn, S.M., Beauchemin, K.A., and Okine, E.K. (2011). "Effect of dried distillers’ grains with solubles on enteric methane emissions from finishing beef cattle.", 32nd Western Nutrition Conference: Quality from Complexity, Crowne Plaza Chateau Lacombe, Edmonton, AB, Canada, September 14-15, 2011.
  • Hallewell, J., McAllister, T.A., Thomas, J., Booker, C.W., Hannon, S., and Stanford, K.I.M. (2011). "Fecal shedding and persistence of Escherichia coli O157:H7 from cattle fed finishing diets containing corn or wheat distillers grains with solubles.", 46th Annual Pacific Northwest Nutrition Conference, Portland, OR, USA, October 4-5, 2011. (Poster)
  • Hao, X., Li, C.L., and McAllister, T.A. (2011). "Greenhouse gas emission from stockpiling cattle feedlot manure.", 48th Annual Alberta Soil Science Workshop, Calgary, AB, Canada, February 15-17, 2011, pp. 24. (Workshop)
  • Jin, L., Xu, Z.J., Iwaasa, A.D., Schellenberg, M.P., Zhang, Y.G., McAllister, T.A., and Wang, Y. (2011). "Nutrient and tannin contents of purple prairie clover (Petalostemon purpureum) harvested at different growth stages.", Journal of Animal Science, 89(E-Suppl. 1), pp. 48. (Abstract)
  • Jin, L., Xu, Z.J., Iwaasa, A.D., Zhang, Y.G., Schellenberg, M.P., McAllister, T.A., and Wang, Y. (2011). "Effect of tannins on in vitro ruminal degradability of purple prairie clover (Petalostemon purpureum) harvested at two growth stages in the DaisyII Fermentation System.", Journal of Animal Science, 89(E-Suppl. 1), pp. 387. (Abstract)
  • Jin, L., Xu, Z.J., Iwaasa, A.D., Zhang, Y.G., Schellenberg, M.P., McAllister, T.A., and Wang, Y. (2011). "Effect of tannins on in vitro ruminal degradability of purple prairie clover (Petalostemon purpureum) harvested at two growth stages in the DaisyII Fermentation System.", ADSA-PSA-AMPA-CSAS-ASAS 2011 Joint Annual Meeting, New Orleans, LA, USA, July 11-14, 2011, T356. (Poster)
  • Jin, L., Xu, Z.J., Iwaasa, A.D., Zhang, Y.G., Schellenberg, M.P., McAllister, T.A., and Wang, Y. (2011). "Nutrient and tannin contents of purple prairie clover (Petalostemon purpureum) harvested at different growth stages.", ADSA-PSA-AMPA-CSAS-ASAS 2011 Joint Annual Meeting, New Orleans, LA, USA, July 11-14, 2011, M#127. (Poster)
  • Jin, L., Zhang, Y.G., Iwaasa, A.D., Schellenberg, M.P., Xu, Z.J., McAllister, T.A., and Wang, Y. (2011). "Effect of incorporation of purple prairie clover (Petalostemon purpureum) into cool season grasses mixture on in vitro ruminal fermentation.", 60th Annual Meeting of the Canadian Society of Animal Science (CSAS), Atlantica Hotel, Halifax, NS, Canada, May 4-5, 2011, FPE-3. (Poster)
  • Jin, L., Zhang, Y.G., Iwaasa, A.D., Schellenberg, M.P., Xu, Z.J., McAllister, T.A., and Wang, Y. (2011). "Effect of incorporation of purple prairie clover (Petalostemon purpureum) into cool season grasses mixture on in vitro ruminal fermentation.", Canadian Journal of Animal Science, 91(3), pp. 476. (Abstract)
  • Jin, L., Zhang, Y.G., Iwaasa, A.D., Schellenberg, M.P., Xu, Z.J., McAllister, T.A., and Wang, Y. (2011). "Fecal shedding of Escherichia coli of cattle grazing pastures with and without purple prairie clover (Petalostemon purpureum).", 60th Annual Meeting of the Canadian Society of Animal Science (CSAS), Atlantica Hotel, Halifax, NS, Canada, May 4-5, 2011, TDC-2. (Poster)
  • Jin, L., Zhang, Y.G., Iwaasa, A.D., Schellenberg, M.P., Xu, Z.J., McAllister, T.A., and Wang, Y. (2011). "Fecal shedding of Escherichia coli of cattle grazing pastures with and without purple prairie clover (Petalostemon purpureum).", Canadian Journal of Animal Science, 91(3), pp. 503. (Abstract)
  • Klima, C.L., McAllister, T.A., Hendrick, S., and Alexander, T.W. (2011). "Antimicrobial susceptibility and genetic characterization of Mannheimia haemolytica isolates from the nasopharynx of feedlot cattle in western Canada.", Antimicrobial stewardship in Canadian agriculture and veterinary medicine conference: How is Canada doing and what still needs to be done?, Toronto Airport, Toronto, ON, Canada, October 30-November 2, 2011.
  • Larney, F.J., Cessna, A.J., Kuchta, S.L., Hao, X., Entz, T., Topp, E., and McAllister, T.A. (2011). "Composting effects on antibiotics in feedlot manure.", Manure Management Update 2011, Lethbridge, AB, Canada, January 17, 2011, pp. 46-54.
  • Larney, F.J., Cessna, A.J., and McAllister, T.A. (2011). "Composting effects on antibiotic s in feedlot manure.", County of Lethbridge Newsletter, 2011(Winter).
  • Li, C., Vinsky, M.D., Ekine, C., Zeng, Z., Dugan, M.E.R, Aldai, N., and McAllister, T.A. (2011). "A multiple candidate gene association approach to identifying single nucleotide polymorphisms (SNP) associated with fatty acid composition in commercial crossbred beef steers.", Gordon Research Conferences on Quantitative Genetics and Genomics, Galveston, TX, USA, February 20-25, 2011. (Poster)
  • Li, C.L., Hao, X., Yang, G., Schoenau, J.J., and McAllister, T.A. (2011). "Greenhouse gas emission from soil amended with DDGS cattle manrue nad compost: The effect of condensed tannin co-application.", 48th Annual Alberta Soil Science Workshop, Calgary, AB, Canada, February 15-17, 2011, pp. 23. (Workshop)
  • McAllister, T.A., Gibb, D.J., Van Herk, F.H., and McKinnon, J.J. (2011). "Non-traditional sources of energy for feedlot cattle.", Saskatchewan 2011 Beef and Forage Symposium, Saskatoon, SK, Canada, January 19-20, 2011.
  • McAllister, T.A., Hallewell, J., Thomas, J., and Stanford, K.I.M. (2011). "Shedding and persistence of Escherichia coli O157:H7 from cattle fed distillers dried grain with solubles.", Insights into Use of DDGS in Western Canadian Feedlot Diets, Lethbridge Lodge Hotel, Lethbridge, AB, Canada, June 9, 2011.
  • McAllister, T.A., Yang, W.-Z., and Oba, M. (2011). "Matching processing with grain size.", 32nd Western Nutrition Conference: Quality from Complexity, Crowne Plaza Chateau Lacombe, Edmonton, AB, Canada, September 14-15, 2011.
  • McLean, K.L., Dugan, M.E.R, McAllister, T.A., Basu, U., Li, C., He, M.L., Aalhus, J.L., Guan, L.L., and Fitzsimmons, C.J. (2011). "Identifying gene expression differences associated with a diet-induced increase of omega-3 fatty-acids in beef cattle.", Plant & Animal Genome XIX Conference, Town & Country Convention Center, San Diego, CA, USA, January 15-19, 2011, P708.
  • Prieto, N., Dugan, M.E.R, López-Campos, Ó., McAllister, T.A., Aalhus, J.L., and Uttaro, B. (2011). "Predicting the content of polyunsaturated fatty acids and biohydrogenation products in subcutaneous fat of beef cows fed flaxseed by near infrared reflectance spectroscopy.", 60th Annual Meeting of the Canadian Society of Animal Science (CSAS), Atlantica Hotel, Halifax, NS, Canada, May 4-5, 2011.
  • Qi, M., Wang, P., O'Toole, N., Barboza, P.S., Leigh, M.B., Selinger, L.B., Butler, G., Tsang, A., McAllister, T.A., and Forster, R.J. (2011). "Snapshot of the eukaryotic gene expression in muskoxen rumen - A metatranscriptomic approach.", 26th Fungal Genetics Conference (26thFCG), Asilomar, CA, USA, March 15-20, 2011, # 107, pp. 144. (Poster)
  • Reuter, T.R., Alexander, T.W., and McAllister, T.A. (2011). "Detection of genetically modified feed and food.", in Fink-Gremmels, J. (ed.) - Animal Feed Contamination: Effects on Livestock and Food Safety, Woodhead Publishing, Cambridge, UK.
  • Wu, R.-B., Alexander, T.W., Li, J.-Q., Munns, K., Sharma, R., and McAllister, T.A. (2011). "Characterization of class 1 integrons and resistance genes in antimicrobial-resistant Escherichia coli in beef cattle.", Antimicrobial stewardship in Canadian agriculture and veterinary medicine conference: How is Canada doing and what still needs to be done?, Toronto Airport, Toronto, ON, Canada, October 30-November 2, 2011.
  • Yang, W.-Z., Li, Y.L., McAllister, T.A., and Beauchemin, K.A. (2011). "The use of wheat-based dried distillers grains as a source of energy and roughage in finishing rations.", Open House & Field Day at the Lethbridge Research Centre 2011, Lethbridge, AB, Canada, July 20, 2011.
  • Yang, W.-Z., McAllister, T.A., and Beauchemin, K.A. (2011). "Use of wheat-based dried distillers grains studied?", Prairie Post - Bull Breeders, 2011, pp. A8.
  • Zaheer, R., Cook, S.R., Klima, C.L., Read, R.R., Alexander, T.W., and McAllister, T.A. (2011). "Characterization of Mannheimia haemolytica and other erythromycin resistant nasopharyngeal microbes from macrolide-treated feedlot cattle.", Antimicrobial stewardship in Canadian agriculture and veterinary medicine conference: How is Canada doing and what still needs to be done?, Toronto Airport, Toronto, ON, Canada, October 30-November 2, 2011.

2010

  • Alexander, T.W., Stanford, K.I.M., and McAllister, T.A. (2010). "On-farm mitigation of enteric pathogens to prevent human disease.", in Krause, D. and Hendrick, S. (eds.) - Zoonotic Pathogens in the Food Chain, CABI Publishing, Chapter 7, pp. 140-166.
  • Badea, A., Byun, B.-H., Marshall, K., Frick, M., Laberge, S., Simmonds, J.A., Thurston, G., Tsang, A., Qi, M., McAllister, T.A., Eudes, F., and Laroche, A. (2010). "Expression of biomass-degrading enzymes in triticale: an alternative system for improving cellulosic biofuel extraction.", Cellulosic Biofuel Network (CBN) 2nd Annual General Meeting, Ottawa Marriott Hotel, Ottawa, ON, Canada, March 11-12, 2010, Poster #92, pp. 51. (Poster)
  • Beauchemin, K.A., Janzen, H.H., Little, S.M., McAllister, T.A., and McGinn, S.M. (2010). "Mitigation of greenhouse gas emissions from beef production in Canada – an evaluation using Holos-R life cycle analysis.", 4th International Greenhouse Gases and Animal Agriculture Conference (GGAA), Banff Park Lodge, Banff, AB, Canada, October 3-8, 2010. (Abstract)
  • Cessna, A.J., Kuchta, S.L., Larney, F.J., Hao, X., and McAllister, T.A. (2010). "Dissipation of chlortetracycline, sulfamethazine and tylosin in composting beef cattle manure.", American Chemical Society Spring National Meeting & Expo, San Francisco, CA, USA, March 21-25, 2010.
  • Garmo, T., Chaves, A.V., Harstad, O.M., Krizsan, S.J., McAllister, T.A., Nes, S.K., Norell, L., Thuen, E., and Volden, H. (2010). "The effects of neutral detergent fiber (aNDF) digestibility of grass silage on enteric methane emission in dairy cows.", 4th International Greenhouse Gases and Animal Agriculture Conference (GGAA), Banff Park Lodge, Banff, AB, Canada, October 3-8, 2010. (Abstract)
  • Gilroyed, B.H., Reuter, T.R., Chu, A., Hao, X., Xu, W., and McAllister, T.A. (2010). "Anaerobic disteation of specified risk materials with cattle manure for biogas production.", 47th Annual Alberta Soil Science Workshop, Lethbridge, AB, Canada, February 16-18, 2010, pp. 20. (Workshop)
  • Gong, X., Qi, M., Forster, R.J., McAllister, T.A., and Teather, R.M. (2010). "Cloning and identification of novel hydrolase genes from a metagenomic library of dairy cow rumen microflora and characterization of the expressed cellulases.", Cellulosic Biofuel Network (CBN) 2nd Annual General Meeting, Ottawa Marriott Hotel, Ottawa, ON, Canada, March 11-12, 2010, Poster #43, pp. 38. (Poster)
  • Gong, X., Qi, M., Forster, R.J., Teather, R.M., and McAllister, T.A. (2010). "Cloning and identification of novel hydrolase genes from a metagenomic library of dairy cow rumen microflora and characterization of the expressed cellulases.", Journal of Animal Science, 88(E-Suppl. 2), pp. 437-438 (#T403). (Abstract)
  • Hao, X., Benke, M.B., Li, C.L., Larney, F.J., Beauchemin, K.A., and McAllister, T.A. (2010). "Effect of adding tannin to feedlot cattle diets and nitrite-oxidizing bacteria during composting on greenhouse gas emissions from manure compost.", 4th International Greenhouse Gases and Animal Agriculture Conference (GGAA), Banff Park Lodge, Banff, AB, Canada, October 3-8, 2010, pp. 59.
  • Hao, X., Stanford, K.I.M., Xu, S., Larney, F.J., and McAllister, T.A. (2010). "Cattle mortality disposal via composting in a cold climate: feasibility, greenhouse gas emissions, and land application of the end product.", 47th Annual Alberta Soil Science Workshop, Lethbridge, AB, Canada, February 16-18, 2010, pp. 19. (Workshop)
  • He, M.L., McAllister, T.A., Kastelic, J.P., Chung, Y.-H., Beauchemin, K.A., Mir, P.S., Aalhus, J.L., and Dugan, M.E.R (2010). "Feeding flaxseed to beef cows increases subcutaneous fat omega-3 fatty acids levels in subcutaneous fat.", ADSA-PSA-AMPA-CSAS-ASAS 2010 Joint Annual Meeting, Denver, CO, USA, July 11-15, 2010. (Abstract)
  • Juárez, M., Dugan, M.E.R, Aalhus, J.L., Aldai, N., Basarab, J.A., Baron, V.S., and McAllister, T.A. (2010). "Effects of dietary flax and Vitamin E on beef intramuscular fat concentration of biohydrogenation products.", 56th International Congress of Meat Science and Technology (ICoMST), Jeju, South Korea, August 15-20, 2010.
  • Juárez, M., Dugan, M.E.R, Aalhus, J.L., Aldai, N., Basarab, J.A., Baron, V.S., and McAllister, T.A. (2010). "Effects of dietary flax and vitamin E on beef quality in feedlot cattle.", 90th Annual Conference of the Canadian Meat Council, Fairmont Empress Victoria Conference Centre, Victoria, BC, Canada, May 5-7, 2010. (Abstract)
  • Kamra, D.N., Agarwal, N., and McAllister, T.A. (2010). "Screening for compounds enhancing fibre degradation.", in Vercoe, P.E., Makkar, H.P.S. and Schlink, A.C. (eds.) - In vitro screening of plant resources for extra-nutritional attributes in ruminants: Nuclear and related methodologies, Springer, Chapter 6, pp. 87-106.
  • Li, C., Aldai, N., Vinsky, M.D., Beaulieu, A.D., Patience, J.F., Dugan, M.E.R, Aalhus, J.L., McAllister, T.A. (2010). "A promoter SNP in bovine ACSF3 gene is associated with fatty acid composition in commercial crossbred steers.", Genomics and Livestock Quality Improvement Meeting, Calgary, AB, Canada, May 11-13, 2010. (Poster)
  • Liestøl, S.H.-O., Beauchemin, K.A., Harstad, O.M., Holtshausen, L., McAllister, T.A., and Volden, H. (2010). "The effect of neutral detergent fibre digestibility of grass silage on in vitro methane production.", 4th International Greenhouse Gases and Animal Agriculture Conference (GGAA), Banff Park Lodge, Banff, AB, Canada, October 3-8, 2010. (Abstract)
  • McAllister, T.A. (2010). "Feed Opportunities from the Biofuels Industry, FOBI - An Overview.", Cellulosic Biofuel Network 2nd Annuel General Meeting, Ottawa Marriott Hotel, Ottawa, ON, Canada, March 11-12, 2010. (Presentation)
  • McAllister, T.A., Tsang, A., Butler, G., Dumonceaux, T.J., Powlowski, J., and Sung, W. (2010). "Theme 2 - Enzyme hydrolysis of lignocellulosic substrates.", Cellulosic Biofuel Network (CBN) 2nd Annual General Meeting, Ottawa Marriott Hotel, Ottawa, ON, Canada, March 11-12, 2010, Poster #31, pp. 32. (Poster)
  • McLean, K.L., Dugan, M.E.R, McAllister, T.A., He, M.L., Guan, L.L., Aalhus, J.L., and Fitzsimmons, C.J. (2010). "Identifying gene expression differences induced by diets that lead to higher omega-3 fatty-acid deposition in beef cows.", Genomics and Livestock Quality Improvement Meeting, Calgary, AB, Canada, May 11-13, 2010.
  • Meale, S.J., Chaves, A.V., Schei, I., McAllister, T.A., Iwaasa, A.D., Yang, W.-Z., and Benchaar, C. (2010). "Including essential oils in ruminal batch cultures, or in diets fed to lactating dairy cows: effects on methane emissions.", 4th International Greenhouse Gases and Animal Agriculture Conference (GGAA), Banff Park Lodge, Banff, AB, Canada, October 3-8, 2010, # T84, pp. 107. (Poster)
  • Meale, S.J., Chaves, A.V., Schei, I., McAllister, T.A., Iwaasa, A.D., Yang, W.-Z., and Benchaar, C. (2010). "Including essential oils in ruminant batch cultures or in diets fed to lactating dairy cows: Effects on methane emissions.", in McGeough, E.G. and McGinn, S.M. (eds.) - Proceedings of the 4th International Greenhouse Gases and Animal Agriculture Conference (GGAA), Banff, AB, Canada, October 3-8, 2010, pp. 136.
  • Narvaez, N., Wang, Y., McAllister, T.A. (2010). "Potential of California chaparral plants to mitigate in vitro methane emissions and ammonia levels in rumen fluid.", 4th International Greenhouse Gases and Animal Agriculture Conference (GGAA), Banff Park Lodge, Banff, AB, Canada, October 3-8, 2010. (Abstract)
  • Narvaez, N., Wang, Y., McAllister, T.A., and Benchaar, C. (2010). "Assessment of the effects of two herbs and spices mixtures and their ethanol extracts on in vitro rumen microbial fermentation.", Journal of Animal Science, 88(E-Suppl. 2), pp. 136 (#M358). (Abstract)
  • Narvaez, N., Wang, Y., McAllister, T.A., and Benchaar, C. (2010). "Effects of ethanol extracts of two specific mixtures of herbs and spices on in vitro rumen microbial fermentation.", Journal of Animal Science, 88(E-Suppl. 2), pp. 135 (#M357). (Abstract)
  • Qi, M., Wang, P., Yanke, L.J., Forster, R.J., Selinger, L.B., and McAllister, T.A. (2010). "Isolation and characterization of carbohydrate esterases from the rumen anaerobic fungus anaeromyces mucronatus.", Cellulosic Biofuel Network (CBN) 2nd Annual General Meeting, Ottawa Marriott Hotel, Ottawa, ON, Canada, March 11-12, 2010, Poster #37, pp. 35. (Poster)
  • Stagno, J.A., Chaves, A.V., Beauchemin, K.A., McAllister, T.A., and McGinn, S.M. (2010). "Effects of replacing barley in feedlot diets with increasing levels of glycerol on in vitro methane production.", 4th International Greenhouse Gases and Animal Agriculture Conference (GGAA), Banff Park Lodge, Banff, AB, Canada, October 3-8, 2010. (Abstract)
  • Storlien, T. M., Harstad, O.M., McAllister, T.A., Narvaez, N., and Wang, Y. (2010). "Effects of different oils, tannin and saponin in in vitro methane production.", 4th International Greenhouse Gases and Animal Agriculture Conference (GGAA), Banff Park Lodge, Banff, AB, Canada, October 3-8, 2010. (Abstract)
  • Wang, P., Qi, M., Selinger, L.B., McAllister, T.A., and Forster, R.J. (2010). "An effective method for total RNA isolation from ruminal contents.", Cellulosic Biofuel Network (CBN) 2nd Annual General Meeting, Ottawa Marriott Hotel, Ottawa, ON, Canada, March 11-12, 2010, Poster #36, pp. 34. (Poster)
  • Wang, P., Qi, M., Selinger, L.B., and McAllister, T.A. (2010). "An effective method for total RNA isolation from ruminal contents.", Journal of Animal Science, 88(E-Suppl. 2), pp. 717-718 (#W406). (Abstract)

2009

  • Aldai, N., Aalhus, J.L., Dugan, M.E.R, McAllister, T.A., Walter, L.J., and McKinnon, J.J. (2009). "Retail and sensory quality of Longissimus thoracis from steers fed corn- or wheat-based dry distillers’ grains plus solubles (DDGS).", ADSA-CSAS-ASAS 2009 Joint Annual Meeting, Montréal Convention Center, Montréal, QC, Canada, July 12-16, 2009. (Abstract)
  • Aldai, N., Dugan, M.E.R, Aalhus, J.L., McAllister, T.A., Walter, L.J., and McKinnon, J.J. (2009). "Comparison of wheat- versus corn-based dried distillers’ grains with solubles on fatty acid composition of feedlot cattle.", 55th International Congress of Meat Science and Technology (ICoMST), Copenhagen, Denmark, August 9-13, 2009.
  • Alexander, T.W., Inglis, G.D., Yanke, L.J., Topp, E., and McAllister, T.A. (2009). "Characterization of antimicrobial-resistant Escherichia coli from samples collected throughout processing of feedlot cattle at a commercial abattoir.", ADSA-CSAS-ASAS 2009 Joint Annual Meeting, Montréal Convention Center, Montréal, QC, Canada, July 12-16, 2009. (Poster)
  • Beauchemin, K.A., Rode, L.M., and McAllister, T.A. (2009). "Use of direct-fed microbials in optimizing the rumen environment of dairy cows.", 2009 Tri-State Dairy Nutrition Conference (TSDNC), Grand Wayne Convention Center, Fort Wayne, IN, USA, April 21-22, 2009.
  • Benke, M.B., Hao, X., Janzen, H.H., McAllister, T.A., Caffyn, P.R., and Schoenau, J.J. (2009). "Effect of DDGS manure on soil and plant: Preliminary results of the greenhouse study.", Soils and Crops Workshop 2009, Western College of Veterinary Medicine, Saskatoon, SK, Canada, February 25-26, 2009. (Workshop)
  • Gibb, D.J., Hao, X., and McAllister, T.A. (2009). "Effect of dried distillers' grains from wheat on feed digestibility and growth performance of feedlot cattle.", Canadian Journal of Animal Science, 89(1), pp. 137. (Abstract)
  • Hao, X., Benke, M.B., Caffyn, P.R., Janzen, H.H., Schoenau, J.J., and McAllister, T.A. (2009). "Using manure from cattle fed dried distillers’ grains with solubles (DDGS) as fertilizer: Effects on nutrient accumulation in soil and uptake by barley forage.", 2009 ASA-CSSA-SSSA International Annual Meeting, Pittsburgh, PA, USA, November 1-5, 2009. (Poster)
  • Hao, X., Benke, M.B., and McAllister, T.A. (2009). "Feeding ethanol co-product dried distillers’ grains with solubles (DDGS) to livestock: Implications for animal health, crop production, soil, water, and air quality.", 2009 ASA-CSSA-SSSA International Annual Meeting: Impact of Ethanol Production On the Environment, Pittsburgh, PA, USA, November 1-5, 2009.
  • Hao, X., Larney, F.J., McAllister, T.A., and Stanford, K.I.M. (2009). "Cattle mortality disposal via composting in a cold climate: feasibility, greenhouse gas emissions and land application of the end product.", International ORBIT Special Conference: Biomass and Organic Waste as Sustainable Resources, Beijing, China, November 19-21, 2009, pp. 156.
  • He, M.L., Chung, Y.-H., Beauchemin, K.A., Mir, P.S., Aalhus, J.L., Dugan, M.E.R, and McAllister, T.A. (2009). "Feeding flaxseed to beef cows increases plasma omega-3 linolenic acid levels.", Journal of Animal Science, 87(E-Suppl. 2), pp. 248. (Abstract)
  • He, M.L., Chung, Y.-H., Beauchemin, K.A., Mir, P.S., Aalhus, J.L., Dugan, M.E.R, and McAllister, T.A. (2009). "Feeding flaxseed to beef cows increases plasma omega-3 linolenic acid levels.", Journal of Dairy Science (JDS), 92(E-Suppl. 1), pp. 248. (Abstract)
  • He, M.L., Chung, Y.-H., Beauchemin, K.A., Mir, P.S., Aalhus, J.L., Dugan, M.E.R, and McAllister, T.A. (2009). "Feeding flaxseed to beef cows increases plasma omega-3 linolenic acid levels.", ADSA-CSAS-ASAS 2009 Joint Annual Meeting, Montréal Convention Center, Montréal, QC, Canada, July 12-16, 2009. (Abstract)
  • Holtshausen, L., Chaves, A.V., Beauchemin, K.A., McGinn, S.M., McAllister, T.A., Odongo, N.E., Cheeke, P.R., and Benchaar, C. (2009). "Feeding saponin-containing Yucca schidigera and Quillaja saponaria to decrease enteric methane production in dairy cows [J. Dairy Sci. 92, pp. 2809-2821] (Erratum).", Journal of Dairy Science (JDS), 92(7), pp. 3543.
  • McAllister, T.A., Beauchemin, K.A., Baah, J., Teather, R.M., and Stanford, K.I.M. (2009). "A review of direct-fed microbials to mitigate pathogens and enhance cattle production.", Journal of Dairy Science (JDS), 92(E-Suppl. 1), pp. 538. (Abstract)
  • McAllister, T.A., Beauchemin, K.A., Baah, J., Teather, R.M., and Stanford, K.I.M. (2009). "A review of the use of direct-fed microbials to mitigate pathogens and enhance production in cattle (Abstract 645).", Journal of Animal Science, 87(E-Suppl. 2), pp. 538. (Abstract)
  • McAllister, T.A., Beauchemin, K.A., Baah, J., Teather, R.M., and Stanford, K.I.M. (2009). "A review of the use of direct-fed microbials to mitigate pathogens and enhance production in cattle (Abstract 645).", Journal of Dairy Science (JDS), 92(E-Suppl. 1), pp. 538. (Abstract)
  • Tkachuk, V.L., Buckley, K.E., Holley, R.A., McAllister, T.A., Ominski, K.H., and Krause, D.O. (2009). "Inactivation of Mycobacterium avium spp. paratuberculosis (causative agent of Johne’s disease) by dead-stock composting.", Canadian Traceability Research & Development Strategy Workshop, Fairmont Hotel, Winnipeg, MB, Canada, June 2-3, 2009.
  • Tkachuk, V.L., Buckley, K.E., Holley, R.A., McAllister, T.A., Plaizier, K., Hendrick, S., Duizer, G., Martens, H., Popp, J.D., Ominski, K.H., and Krause, D.O. (2009). "Dead-stock composting of cattle to inactivate Johne’s Disease causing organism.", Manitoba Grazing School 2009, Victoria Inn, Brandon, MB, Canada, December 1-2, 2009. (Poster)
  • Walter, L.J., Aalhus, J.L., Robertson, W.M., McAllister, T.A., Gibb, D.J., Dugan, M.E.R, Aldai, N., and McKinnon, J.J. (2009). "Comparison of wheat or corn dried distillers' grains with solubles (DDGS) on performance and carcass characteristics of feedlot steers.", ADSA-CSAS-ASAS 2009 Joint Annual Meeting, Montréal Convention Center, Montréal, QC, Canada, July 12-16, 2009. (Abstract)
  • Wang, Y., Greer, D., and McAllister, T.A. (2009). "Effects of moisture and a saponin-based surfactant during barley processing on growth performance and carcass quality of feedlot steers and on in vitro ruminal fermentation.", Canadian Journal of Animal Science, 89(1), pp. 145. (Abstract)
  • Yang, W.-Z., McKinnon, J.J., McAllister, T.A., Beauchemin, K.A., and Gibb, D.J. (2009). "Effect of varying ratios of corn to wheat grain in ethanol production on fermentation of ethanol by-product in batch culture (Abstract M269).", Journal of Dairy Science (JDS), 92(E-Suppl. 1), pp. 86. (Abstract)
  • Yang, W.-Z., McKinnon, J.J., McAllister, T.A., Gibb, D.J., and Beauchemin, K.A. (2009). "Effect of varying ratios of corn to wheat grain in ethanol production on fermentation of ethanol by-product in batch culture.", Journal of Animal Science, 87(E-Suppl. 2), pp. 86. (Abstract)
  • Yang, W.-Z., McKinnon, J.J., McAllister, T.A., Gibb, D.J., and Beauchemin, K.A. (2009). "Effect of varying ratios of corn to wheat grain in ethanol production on fermentation of ethanol by-product in batch culture.", ADSA-CSAS-ASAS 2009 Joint Annual Meeting, Montréal Convention Center, Montréal, QC, Canada, July 12-16, 2009. (Poster)
  • Yanke, L.J., Topp, E., and McAllister, T.A. (2009). "Persistence of antimicrobial resistant Enterococcus spp. in feedlot cattle feces.", 109th General Meeting of American Society for Microbiology, Philadelphia, PA, USA, May 17-21, 2009, pp. 616. (Poster)