Hushton Block, Ph.D.
Research on beef production systems, particularly from a nutrition or nutrition management perspective, to support improvement and advancements with beef cattle production.
Current research and/or projects
Principal investigator on "Individually targeted cow-calf nutrition and management on pasture in support of a net zero carbon beef target." which is looking at improving the nutrition and management of cow-calf pairs on pasture to reduce the methane emissions intensity per unit of beef production in support of a net zero carbon target for beef production.
Collaborator on "Genetic analyses of feed intake, feed efficiency, female fertility, and cow lifetime productivity in beef cattle raised under two environments." where I am participating in the estimation of cow life time energy intake based on historical cow weight and condition data in support of determining the effect of conceptus corrected weight change on cow fertility and culling rate.
Professional activities / interests
Interested in all aspects of beef cattle production systems, particularly from a cattle nutrition or nutritional management (targeted production) perspective. The intention is to develop and use nutritional and production models and economics to assist with cattle management decisions in support of improving and advancing beef cattle production. This includes economic, environmental, and social sustainability considerations.
Education and awards
Ph. D. Animal Science; University of Nebraska-Lincoln; 2003. “Wet Corn Gluten Feed and Steam Flaked Corn for Feedlot Cattle and Evaluation of 1996 NRC Beef Energy Equations”
M. Sc. Animal Science; University of Saskatchewan; 1999. “Target Finishing Beef Steers and 1996 NRC Beef Model Evaluation”
B. Sc. Animal Science; University of Alberta; 1996
Key publications
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Khakbazan, M., Scott, S.L., Block, H.C., Robins, C.D., and McCaughey, W.P. (2009). "Economic effects and energy use efficiency of incorporating alfalfa and fertilizer into grass- based pasture systems.", International Journal of Biological and Life Sciences, 5(2), pp. 74-79.
2009 - View publication details
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Khakbazan, M., Scott, S.L., Block, H.C., and Robins, C.D. (2008). "Impact of alfalfa and fertilizer on pastures: Forage Quality.", published by Manitoba Forage Council, Brandon, MB, Canada. (Factsheet)
2008 - View publication details
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Khakbazan, M., Scott, S.L., Block, H.C., Robins, C.D., and McCaughey, W.P. (2008). "Effect of incorporating alfalfa and/or fertiliser into grass pastures on net income of beef production systems.", 57th Annual Meeting of the CSAS/SCSA, University of Guelph, Guelph, ON, Canada, August 11-14, 2008, RP18. (Poster)
2008 - View publication details
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Khakbazan, M., Scott, S.L., Block, H.C., Robins, C.D., and McCaughey, W.P. (2008). "Effect of incorporating alfalfa and fertiliser into meadow brome grass pastures on forage quality.", 57th Annual Meeting of the CSAS/SCSA, University of Guelph, Guelph, ON, Canada, August 11-14, 2008, RP17, RO11. (Poster)
2008 - View publication details
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Block, H.C., Scott, S.L., Robins, C.D., McCaughey, W.P. (2008). "Effect of incorporating alfalfa and fertiliser on the carrying capacity and steer performance on meadow brome grass pastures.", 57th Annual Meeting of the CSAS/SCSA, University of Guelph, Guelph, ON, Canada, August 11-14, 2008, RO10. (Abstract)
2008 - View publication details
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Khakbazan, M., Scott, S.L., Block, H.C., Robins, C.D., and McCaughey, W.P. (2008). "Effect of incorporating alfalfa and fertiliser on the carrying capacity and steer performance on meadow brome grass pastures.", 57th Annual Meeting of the CSAS/SCSA, University of Guelph, Guelph, ON, Canada, August 11-14, 2008, RP10.
2008 - View publication details
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Williams, L.M., Block, H.C., Christensen, D.A., Racz, V., Ataku, K., Wildeman, B., McKinnon, J.J. (2008). Effect of feeding a processed barley/canola meal pellet on performance and carcass quality of feedlot steers, 88(4), 667-676. http://dx.doi.org/10.4141/CJAS08053
2008 - View publication details
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Vidovic, S., Block, H.C., and Korber, D.R. (2007). "Effect of soil composition, temperature, indigenous microflora and environmental conditions on the survival of Escherichia coli O157:H7.", Canadian Journal of Microbiology, 53(7), pp. 822-829. doi : 10.1139/W07-041
2007 - View publication details
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Yu, P., Niu, Z., Block, H.C., and Doiron, K. (2007). "Rapid characterization of molecular chemistry, nutrient make-up and microlocation of internal seed tissue.", Journal of Synchrotron Radiation, 14(4), pp. 382-390. doi : 10.1107/S0909049507014264
2007 - View publication details
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Klinger, S.A., Block, H.C., and McKinnon, J.J. (2007). "Nutrient digestibility, fecal output and eating behaviour for different cattle background feeding strategies.", Canadian Journal of Animal Science, 87(3), pp. 393-399. doi : 10.4141/A06-070
2007 - View publication details
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Klinger, S.A., Block, H.C., Campbell, J., Wildeman, B., and McKinnon, J.J. (2007). "The effects of limit feeding a high-energy barley-based diet to backgrounding cattle in western Canada.", Canadian Journal of Animal Science, 87(3), pp. 385-391. doi : 10.4141/A06-069
2007 - View publication details
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Buchanan, F.C., Van Kessel, A.G., Boisclair, Y.R., Block, H.C., and McKinnon, J.J. (2007). "The leptin arg25cys affects performance, carcass traits and serum leptin concentrations in beef cattle.", Canadian Journal of Animal Science, 87(2), pp. 153-156. doi : 10.4141/A06-077
2007 - View publication details
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Block, H.C., Klopfenstein, T.J., and Erickson, G.E. (2006). "Evaluation of the 1996 NRC beef model and development of net energy adjusters.", Journal of Animal Science, 84, pp. 866-876.
2006 - View publication details
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McCartney, D.H., Block, H.C., Dubeski, P.L., and Ohama, A.J. (2006). "Review: The composition and availability of straw and chaff from small grain cereals for beef cattle in western Canada.", Canadian Journal of Animal Science, 86(4), pp. 443-455.
2006 - View publication details
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Loveday, D.M., Block, H.C., Thacker, P.A., and McKinnon, J.J. (2006). "Factors affecting the apparent intestinal (small and large) disappearance of dry matter and crude protein from rumen undegradable residues of various feeds determined using the mobile bag technique for cattle.", Canadian Journal of Animal Science, 86(3), pp. 419-428.
2006 - View publication details
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Block, H.C., Macken, C.N., Klopfenstein, T.J., and Stock, R.A. (2005). "Optimal wet corn gluten and protein levels in steam flaked corn based finishing diets for steer calves.", Journal of Animal Science, 83, pp. 2798-2805.
2005 - View publication details
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Block, H.C., Erickson, G.E., and Klopfenstein, T.J. (2004). "Re-evaluation of phosphorus requirements and phosphorus retention of feedlot cattle.", Professional Animal Scientist, 20, pp. 319-329.
2004 - View publication details
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