Bok Sowell

Professor, Range Science
231A Linfield Hall
Bozeman, Mt 59717-2900
phone (406) 994-5558
fax (406) 994-5589
bok@montana.edu

Education
M.S. Texas Tech University, Range Science, 1981
PhD New Mexico State University, Animal Science/Range Science in 1989

Classes
ARNR 101 Natural Resource Conservation
ARNR 102 Principles of Range Management Lab
ARNR 353 Grazing Ecology and Management
ARNR 325 Wildlife-Livestock Range Nutrition
ARNR 544 Advanced Grazing Management and Ecology

Research Interests

• Rangeland Ecology
• Rangeland ecology and management with an emphasis on grazing ecology of livestock and wildlife, forage intake, forage quality, grazing behavior, cattle and sheep grazing, and livestock - wildlife interactions.
• Rangeland vegetation monitoring techniques, forage utilization and improvement practices.

Recent Publications

• Bowman, J.G.P., B.F. Sowell, L.M.M. Surber, and T. K. Daniels. 2004. Nonstructural carbohydrate supplementation of yearling heifers and range beef cows. J. Anim. Sci. 82:2724-2733.
• Gibbs, M.C., J.A. Jenks, C.S. Deperno, B.F. Sowell and K.J. Jenkins. 2004. Cervid forage utilization in noncommercially thinned ponderosa pine forests. J. Range Manage. 57:435-441.
• Johnson-Nistler, C.M., B.F. Sowell, H. Sherwood and C. Wambolt. 2004. Black-tailed prairie dog effects on Montana’s mixed grass prairie. J. Range Manage. 57:641-648.
• Vermeire, L.T., R.K. Heitschmidt, P.S. Johnson and B.F. Sowell. 2004. The Prairie Dog Story: Do We Have It Right? BioScience 54(7):689-695.
• Bowman, J.G.P., and B. F. Sowell. 2003. Technology to complement forage-based beef production systems in the West. J. Anim. Sci. 81 (E. Suppl. 1):E18-E26.
• Sowell, B.F., J.G.P. Bowman, E. E. Grings, and M. D. MacNeil. 2003. Liquid supplement and forage intake by range beef cows. J. Anim Sci. 81:294-303. 
• Sowell, B.F., J.G.P. Bowman, E.E. Grings, and M.D. MacNeil. 2003. Liquid supplement and forage intake by range beef cows. J. Anim Sci. 81:294-303.
• Eneboe, E., B.F. Sowell, R. Heitschmidt, M. Haferkamp, and S. Karl. 2002. Drought and Grazing VI. Effects on blue grama and western wheatgrass tiller dynamics. Journal of Range Management 55:73-79.
• Taylor N., P. G. Hatfield, B. F. Sowell, and G. S. Lewis. 2002. Influence of supplement form on ewe performance and reproduction. Sheep and Goat Res. J. 17:52.
• Taylor, N., P. G. Hatfield, B. F. Sowell, J.G.P. Bowman, J. S. Drouillard, and D. V. Dhuyvetter. 2002. Pellet and block supplements for grazing ewes. Anim. Feed Sci. Technol. 96:193-201.
• Taylor, N., P.G. Hatfield, B.F. Sowell and G.S. Lewis. 2002. Research Note: Influence of supplement form on ewe performance and reproduction. Sheep and Goat Res. J. 17:52-54.
• Frisina, M.R., C.L. Wambolt, B. Sowell, S.J. Knapp, M. Sullivan, and C. Johnson. 2001. A balancing act: sagebrush-sage grouse-prairie dogs. Rangelands. 23:17-19
• Quimby, W. F., B.F. Sowell, J.G.P. Bowman, M. E. Branine, M. E. Hubbert, and H.W. Sherwood. 2001. Application of feeding behaviour to predict morbidity of newly received calves in a commercial feedlot. Can. J. Anim. Sci. 81:315-320.
• Daniels, T.K., J.G.P. Bowman, B.F. Sowell, M. E. Branine, and M. E. Hubbert. 2000. Effects of metaphylactic antibiotics on behavior of feedlot calves. Prof. Anim. Scientist 16:278-285.
• Hamadeh, S. K., P.G. Hatfield, R.W. Kott, B.F. Sowell, B.L. Robinson, and N.J. Roth. 2000. Effects of Breed, Sex, Birth Type and Colostrum Intake on Cold Tolerance in Newborn Lambs. Sheep and Goat Research Journal. 16:46-51.
• Sowell, B.F., J.C. Mosley, and J.G.P. Bowman. 2000. Social behavior of grazing beef cattle: implications for management. Proc. Am. Soc. Anim. Sci., 1999. Available at: http://www.asas.org/jas/symposia/proceedings/0923.pdf. Accessed June 28, 2000.
• Sowell, B.F., J.C. Mosley, and J.G.P. Bowman. 2000. Social behavior of grazing beef cattle: Implications for management. J. Anim. Sci. Available at: http://www.asas.org/jas/symposia/proceedings/0923.pdf.
• Winslow, S.R. and B.F. Sowell. 2000. Technical note: a comparison of methods to determine plant successional stages. J. Range Manage. 53:194-198.

Return to regular view	Text-only	Updated: 12/31/2007