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Iowa State University

Iowa State University
Picture of Kenneth J.Stalder
Kenneth J. Stalder
Associate Professor of Animal Science
Iowa State University
109 Kildee Hall
Ames, IA 50011-3150
Phone: 515-294-4683
Fax:     515-294-5698
Email: stalder@iastate.edu

Education
Doctor of Philosophy Iowa State University 1995
Master of Science, Western Kentucky University 1992
Bachelor of Science, Iowa State University 1987

Awards
2005: Outstanding Young Scientist Award for Extension (Midwest Sections of ASAS and ADSA)
2004: Award for Achievement by an Organizational Team (ISU Extension)
2004: Fellow (Organization for Economic and Cooperative Development)

Research
Dr. Stalder has an active research program investigating a variety of swine genetic and management related topics, including swine waste and nutrient management, management to improve reproductive efficiency of sows with a special emphasis on sow longevity, management of growing-finishing swine to improve profitability, and genetic and management effects on pork quality.

Extension
Software Developed

Dahlke, G., and K. J. Stalder. 2005. Swine Budget and Cash Flow Spreadsheet. Ver 1.0. Department of Animal Science, Iowa State University, Ames, IA.

Dahlke, G., and K. J. Stalder. 2004. Manure Nutrient Value Calculator. Department of Animal Science. Iowa State University, Ames, IA.

Lacy, R. C., and K. J. Stalder. 2004. Sow Longevity Calculator Ver. 2.0: Farrow-to-Finish. Available in Metric and English unit measures. Available at: http://www.extension.iastate.edu/ipic/information/FFSLv2.html

Lacy, R. C., and K. J. Stalder. 2004. Sow Longevity Calculator Ver. 2.0: Breed-to-Wean. Available in Metric and English unit measures. Available at: http://www.extension.iastate.edu/ipic/information/BWSLv2.html

Lacy, R. C., and K. J. Stalder. 2000. Sow Longevity Calculator Ver. 1.0: Farrow-to-Finish. University of Tennessee Extension Service. University of Tennessee, Knoxville, TN, 37996.

Lacy, R. C., and K. J. Stalder. 2000. Sow Longevity Calculator Ver. 1.0: Breed-to-Wean. University of Tennessee Extension Service. University of Tennessee, Knoxville, TN, 37996.

Web-based Tools

Rieck-Hinz, A. M., W. Powers, K. J. Stalder, and M. G. Hogberg. 2005. Development of a user-friendly database and decision tree for selecting air quality best management practices (BMPs) http://www.extension.iastate.edu/airquality/practices/homepage.html

Educational Tools

Karriker, L., L. Layman, A. Ramirez, D. Miller, K. J. Stalder, P. Holden, and A. DeMirjyn. 2006. Sow body condition scoring guidelines poster In: National Hog Farmer blueprint. No. 42 in a series. National Hog Farmer. Prism Business Media. Overland Park, KS 66212-2216. 51:Insert.

K. J. Stalder, D. P. Miller, C. Johnson, T. J. Baas, N. Berry, D. West, and A. E. Christian. 2005. Reproductive trait selection guidelines poster. National Pork Board, Des Moines, IA.

K. J. Stalder, D. P. Miller, C. Johnson, T. J. Baas, N. Berry, D. West, and A. E. Christian. 2005. Feet and leg disorders poster. National Pork Board, Des Moines, IA.

K. J. Stalder, D. P. Miller, C. Johnson, T. J. Baas, N. Berry, D. West, and A. E. Christian. 2005. Conformation, structural soundness guidelines poster. National Pork Board, Des Moines, IA.

K. J. Stalder, C. Johnson, D. P. Miller, T. J. Baas, A. E. Christian, N. Berry, and T. V. Serenius. 2005. Pocket guide to structural, feet and leg, and reproductive soundness. National Pork Board, Des Moines, IA.

K. J. Stalder, T. J. Baas, S. J. Moeller, M. Brumm, W. Singleton, D. Levis, L. J. Johnston, R. Goodband, M. Tokach, W. Marsh, D. Mold, G. Thome, and J. Murray. 2004. Trouble Shooting Guide to the National Pork Database Benchmarks V 2.0. National Pork Board, Des Moines, IA.

Moeller, S. J., T. J. Baas, E. Berg, R. Miller, K. J. Stalder, and H. Zerby. 2004. Pork Quality Curriculum. National Pork Board, Des Moines, IA.

Baas, T. J., J. Harmon, S. J. Moeller, and K. J. Stalder. 2003. Nursery Curriculum. National Pork Board, Des Moines, IA.

K. J. Stalder, T. J. Baas, S. J. Moeller, M. Brumm, W. Singleton, D. Levis, L. J. Johnston, R. Goodband, M. Tokach, W. Marsh, D. Mold, G. Thome, and J. Murray. 2002. Trouble Shooting Guide to the National Pork Database Benchmarks. National Pork Board, Des Moines, IA.


Professional Affiliations
American Society of Animal Science
National Swine Improvement Federation
Iowa Association of Agricultural Agents and Specialists
American Registry of Professional Animal Scientists

Selected Publications

Zang, S., T. J. Knight, K. J. Stalder, R. N. Goodwin, S. M Longergan, and D. C. Beitz. 2007. Effects of breed, gender, and halothane genotype on fatty acid composition and healthfulness of pork longissimus dorsi muscle. J. Anim. Sci. 85:583-591.

Serenius, T., K. J. Stalder, and M. Pounti. 2006. Impact of dominance effects on sow longevity. J. Anim. Breed Genet. 123:355-361.

Serenius, T, K. J. Stalder, T. J. Baas, J. W. Mabry, R. N. Goodwin, R. K. Johnson, O. W. Robison, M. Tokach, and R. K. Miller. 2006. National Pork Producers Council Maternal Line National Genetic Evaluation Program: A comparison of sow longevity and trait associations with sow longevity. J. Anim. Sci. 84:2590-2595.

Schwab, C. R., T. J. Baas, K. J. Stalder, and J. W. Mabry. 2006. Effect of long term selection for increased leanness on meat and eating quality traits in Duroc swine. J. Anim. Sci. 84:1577-1583.

Panetta, D. M., W. J. Powers, H. Xin, B. J. Kerr, and K. J. Stalder. 2006. Nitrogen excretion and ammonia emissions from pigs fed modified diets. J. Envir. Qual. 35:1297-1308.

Ehlers, M. J., J. W. Mabry, J. K. Bertrand, and K. J. Stalder. 2006. Breeding values, accuracies, and rank changes using purebred and combined purebred and crossbred information in swine. Prof. Anim. Sci. 22:183-188.

Serenius, T., and K. J. Stalder. 2006. Review: Selection for sow longevity. J. Anim. Sci. 84(E. Suppl.):E166-E171.

Ehlers, M. J., J. W. Mabry, J. K. Bertrand, and K. J. Stalder. 2005. Variance components and heritabilities for sow productivity traits estimated from purebred versus crossbred sows. J. Anim. Breed Genet. 122:318-324.

Stalder, K. J., A. M. Saxton, G. E. Conatser, and T. V. Serenius. 2005. Effect of growth and compositional traits on first parity andlifetime reproductive performance in U.S. Landrace swine. Live. Prod. Sci. (In Press).

Newcom, D. W., T. J. Baas, C. R. Schwab, and K. J. Stalder. 2005. Genetic and phenotypic relationships between individual subcutaneous backfat layers and longissimus intramuscular fat percentage in Duroc swine. J. Anim. Sci. 83:316-323.

Newcom, D. W., T. J. Baas, K. J. Stalder, and C. R. Schwab. 2005. Comparison of three models to estimate breeding values for loin intramuscular fat percentage in Duroc swine. J. Anim. Sci. 83:750-756.

Stalder, K. J., M. F. Rothschild, and S. M. Lonergan. 2005. Associations between two gene markers and indicator traits affecting fresh and dry-cured ham processing quality. Meat Sci. 69:451-457.

Zoglmann, M. S., G. F. Jones, D. M. Coffey, K. J. Stalder, A. E. Ramer, and M. A. Deppe. 2004. The role of 4-H and FFA involvement and gender on student success in an Introduction to Animal Science course. J. Southern Ag. Educ. Res. 54:233-243.

Serenius, T., and K. J. Stalder. 2004. Genetics of length of productive life and lifetime prolificacy in the Finnish Landrace and Large White pig populations. J. Anim. Sci. 82:3111-3117.

Stalder, K. J., M. Knauer, T. J. Baas, M. F. Rothschild, and J. W. Mabry. 2004. Sow Longevity. Pig News and Information. 25:53N-74N.

Newcom, D. W., K. J. Stalder, R. N. Goodwin, and T. J. Baas. 2004. Breed differences and genetic parameters of myoglobin concentration in porcine longissimus muscle. J. Anim. Sci. 82:2264-2268.

Stella, A., K. J. Stalder, A. M. Saxton, and P. J. Boettcher. 2003. Variances of gametic effects on litter size in Yorkshire and Landrace swine. J. Anim. Sci. 81:2171-2178.

Stalder, K. J., C. C. Melton, G. E. Conatser, S. L. Melton, M. J. Penfield, J. R. Mount, D. Murphey, and K. J. Goddard. 2003. Fresh and processed qualities of country-style cured hams from purebred Duroc and genetically undefined market hogs. J. Muscle Foods.

Stalder, K. J., R. C. Lacy, T. L. Cross, and G. E. Conatser. 2003. Financial Impact of Average Parity of Culled Females in a Breed-to-Wean Swine Operation Using Replacement Gilt Net Present Value Analysis. J. Swine Health Prod. 11:69-74.

Stalder, K. J., A. M. Saxton, R. K. Miller, and R. N. Goodwin. 2003. A comparison of hydrogen ion concentration and pH genetic predictions and fixed effect estimations when assessing pork quality. J. Anim. Sci. 81:611-616.

Brumm, M. C., M. Ellis, L. J. Johnston, D. W. Rozeboom, D. R. Zimmerman, and NCR-89 Committee on Swine Management. 2002. Effect of removal and remixing of lightweight pigs on performance to slaughter weights. J. Anim. Sci. 80:1166-1172.

Scroggs, L. V., H. G. Kattesh, J.L. Morrow, K.J. Stalder, J.W. Dailey, M.P. Roberts, J.F. Schneider, and A. M. Saxton. 2001. Influence of Split Marketing on the Physiology, Behavior, and Performance of Finishing Swine. J. Anim. Sci. 80:338-345.

van Laack, R. J .L. M., S. G. Stevens, and Stalder, K. J.. 2001. The influence of ultimate pH and intramuscular fat content on pork tenderness and tenderization. J. Anim. Sci. 79:392-397.

Stalder, K. J., R. C. Lacy, T. L. Cross, G. E. Conatser, and C. S. Darroch. 2000. Net present value analysis of sow longevity and the economic sensitivity of net present value to changes in production, market price, feed cost, and replacement gilt costs in a farrow-to-finish operation. Prof. Anim. Sci. 16:33-40.

Stalder, K. J., T. E. Long, R. N. Goodwin, R. L. Wyatt, and J. H. Halstead. 2000. Effect of Gilt Development Diet on the Reproductive Performance of Primiparous Sows. J. Anim. Sci. 78:1125-1131.

Roberson, K. D., Stalder, K. J., H. D. Loveday, and F. B. Masincupp. 2000. Effect of dietary calcium on growth performance, phosphorus digestibility and bone mineralization of lean-type growing-finishing pigs fed a low phosphorus diet supplemented with phytase. J. App. Anim. Res. 17:57-68.

Stalder, K. J., J. Maya, L. L. Christian, S. J. Moeller and K. J. Prusa. 1998. Effects of pre-slaughter management on the quality of carcasses from porcine stress syndrome heterozygous market hogs. J. Anim. Sci. 76:2435-2443.

Stalder, K. J., L. L. Christian, M. F. Rothschild and E.-C. Lin. 1998. Effect of porcine stress syndrome genotype on the maternal performance of a composite line of stress-susceptible swine. J. Anim. Breed Genet. 119:191-198.

Stalder, K. J., L. L. Christian, M. F. Rothschild and E.-C. Lin. 1998. Maternal swine trait genetic parameter estimates measured on Landrace females with known porcine stress syndrome genotypes. J. Anim. Breed Genet. 119:199-210.

Stalder, K. J., L. L. Christian, M. F. Rothschild and E.-C. Lin. 1997. Maternal performance differences between porcine stress syndrome normal and carrier Landrace females. J. Anim. Sci. 75:3114-3118.

Lahucky, R., L. L. Christian, L. Kovac, Stalder, K. J. and M. Bauerova. 1997. Meat quality assessed ante- and post-mortem by different ryanodine receptor gene status of pigs. Meat Sci. 47:277-285.