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Dr. Roger D. Walker

Roger D. Walker
Professor
Swine Systems Management
Swine Breeding and Genetics

Southern Research and Outreach Center
35838 120th Street
Waseca, MN 56093
Telephone: 507-835-3620
Fax: 507-835-3622
Email: rwalker@umn.edu

Education

  • Ph.D., University of Kentucky, 1974
  • M.S., University of Kentucky, 1972
  • B.S., Iowa State University, 1969

Research Interests

  • Swine systems management
  • Segregated early weaning in swine
  • Composting livestock mortalities

Outreach Programs

  • Ongoing farm visits and consultations
  • Represent the Southern Experiment Station in directing and hosting the University of Minnesota Pork Conference
  • Host field days at the Southern Experiment Station

Awards

Minnesota Honorary State FFA Degree, 1992

Affiliations

Links

Southern Research and Outreach Center

Publications

- Refereed Articles -

Johnston, L.J., J.E. Pettigrew, and R.D. Walker. 1998. Effect of sucrose/milk chocolate product (MCP) blend on feed intake and performance of lactating sows. J. Anim. Sci. 76: Suppl. 2, No. 89.

Yang, H., J.A. Kerber, J.E. Pettigrew, L.J. Johnston, and RD Walker. 1997. Evaluation of milk chocolate product as a substitute for whey in pig starter diets. J. Anim. Sci. 75:423.

Richert, B.T., M.D. Tokach, R.D. Goodband, J.L. Nelssen, J.E. Pettigrew, R.D. Walker, and L.J. Johnston. 1996. Valine requirement of the high producing sow. J. Anim. Sci. 74:1307.

Augenstein, M.L., L.J. Johnston, J.E. Pettigrew, R.D. Walker, and R. Rose. 1995. Use of ethylamine in simple starter diets to improve utilization of soybean meal by newly weaned pigs. J. Anim. Sci. 73:Suppl. 1. p. 71.

Johnston, L.J., J.E. Pettigrew, M.E. Wilson, R.D. Walker, and B. Crooker. 1995. Influence of dietary molasses on reproductive performance of lactating sows. University of Minnesota: Recent Advances of Swine Production and Health. Vol. 5, p. 15.

Mankell, K.O., K.A. Janni, R.D. Walker, ME Wilson, J.E. Pettigrew, L.D. Jacobson, and W.F. Wilcke. 1995. Dust suppression in swine feed using soybean oil. J. Anim. Sci. 73:981.

Yang, H., J.A. Kerber, J.E. Pettigrew, L.J. Johnston, and R.D. Walker. 1995. Evaluation of milk chocolate product as a substitute for whey in pig starter diets. J. Anim. Sci. 73:Suppl. 1. p. 76.

Johnston, L.J., J.E. Pettigrew, M.E. Wilson, R.D. Walker, and B.S. Crooker. 1994. Influence of dietary molasses on reproductive performance of lactating sows. J. Anim. Sci. Vol. 72(Suppl. 1) p. 334.

Mankell, K.O., K.A. Janni, R.D. Walker, M.E. Wilson, J.E. Pettigrew, L.D. Jacobson, and W.F. Wilcke. 1994. Dust suppression in swine feed using soybean oil. J. Anim. Sci. Suppl. 1. Vol. 72 p. 42.

Richert, B.T., R.D. Goodband, M.D. Tokach, J.L. Nellsen, L.J. Johnston, R.D. Walker, J.E. Pettigrew, and S.A. Blum. 1994. Determining the valine requirement of high producing sows. J. Anim. Sci. Vol. 72(Suppl. 1) p. 389.

Walker, R.D., G.C. Shurson, and J.E. Pettigrew. 1994. An evaluation of choice feeding in grow-finish pigs separated by sex. J. Anim. Sci. Vol. 72 (Midwestern Section) p. 61.

Walker, R.D. and B.S. Wiseman. 1994. Growth performance of segregated early weaned (SEW) pigs compared to their conventionally weaned littermates. J. Anim. Sci. Vol. 72(Suppl. 1) p. 376.

- Proceedings and Invited Lectures -

Drum, S., R.D. Walker, M. Mellencamp, and W. Marsh. 1997. Do benefits from SEW continue through finishing? 1997 Swine Day Proc. p 51-65. University of Minnesota.

Drum, S., R.D. Walker, W.E. Marsh, and M.A. Mellencamp, 1996. Effects of segregated early weaning on growth performance of pigs from nursery to slaughter. Conf. of Research Workers in Animal Diseases, Chicago, IL.

Walker, R.D. 1995. Segregated early weaning and finishing pig performance. 1995 Swine Day Proc. p 2-14. University of Minnesota.

Pettigrew, J.E., R.D. Walker, and M.E. White. 1995. The early weaned pig: The role of age at weaning, health status and diet. Canadian Society of Animal Science, 1995 conf., Ottawa, Canada.

 

College of Food, Agricultural and Natural Resource Sciences
  

 
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