Lorraine J. Hoffman's Publications

Back to profile Moon, H.W., L.J. Hoffman, N.A. Cornick, S.L. Booher, B.T. Boswith. 1999. Comparative Prevalences of Some Virulence Genes Among Escherichia coli Isolates from Swine Presented to a Diagnostic Laboratory. Swine Research Reports, ISU. Jordan, D.M., J.P. Knittel, M.B. Roof, K.J. Schwartz, D.J. Larson, L.J. Hoffman. 1999. Detection of Lawsonia intracellularis in Iowa Swine using Polymerase Chain Reaction Methodology. Journal of Veterinary Diagnostic Investigation. 11:45-49. Daniels, C.S., L.J. Hoffman, M.D. Apley, and K.J. Schwartz. 1998. Antibiotic Susceptibility Levels and Trends of Swine Pathogens at the Iowa Sate University Veterinary Diagnostic Laboratory. Proceedings for American Association of Swine Practitioners. Des Moines, IA. Drum, S.D. and L.J. Hoffman. 1998 Unusual Streptococcus suis Type 2 Disease on Two Farms Feeding Incorrectly Formulated Nursery Feed. Swine Health and Production. 6(5):217-218. Jordan, D.M., J.P. Knittel, E.M. Schmoll, M.B. Roof, K.J. Schwartz, D.J. Larson, L.J. Hoffman. 1996. Evaluation of PCR as a Monitoring Tool Using a Seeder Pig Challenge-exposure Model Following Pure Culture Challenge with Lawsonia intracellularis. Proceedings for Conference for Research Workers in Animal Disease. Chicago, IL; November. Jordan, D.M., J.P. Knittel, E.M. Schmoll, M.B. Roof, K.J. Schwartz, D.J. Larson, L.J. Hoffman. 1996. Organ Distribution of Lawsonia intracellularis in Experimentally and Naturally Infected Pigs. Proceedings for Conference for Research Workers in Animal Disease. Chicago, IL; November. Jordan, D.M., J.P. Knittel, M.B. Roof, K.J. Schwartz, D.J. Larson, L.J. Hoffman. 1996. Evaluating Polymerase Chain Reaction for the Detection of Lawsonia intracellularis in Swine. American Association of Veterinary Laboratory Diagnosticians Abstracts. Little Rock, AR; October. Jordan, D.M., L.J. Hoffman, J.P. Knittel, M.B. Roof, K.J. Schwartz, D.J. Larson. 1996. Detection of Lawsonia (Ileal Symbiont) intracellularis in Iowa Swine Using Polymerase Chain Reaction Methodology. American Association for Swine Practitioners Convention Proceedings. Nashville, TN; March. Hogg, A., S.F. Amass, L.J. Hoffman, D.D. Wu, L.K. Clark. 1996. A Survey of Streptococcus suis Isolation by Serotype and Tissue of Origin. Proceedings American Association of Swine Practitioners. Jordan, D.M., L.J. Hoffman. 1995. Detection of Ileal Symbiont Intracellularis in the Midwest Swine Population Using Polymerase Chain Reaction Methodology. Proceedings Merck Veterinary Scholars Program. Ames, IA; August. Jordan, D.M., J.P. Knittel, M.B. Roof, D. Larson, L.J. Hoffman, K.J. Schwartz. 1995. Detection of Ileal Symbiont Intracellularis in Iowa Swine Using Polymerase Chain Reaction Methodology. Proceedings of the Conference of Research Workers in Animal Disease. Chicago IL; November. DeBey, M.C., D.W. Trampel, J.L. Richard, D.S. Bundy, L.J. Hoffman, V.M. Meyer, and D.F. Cox. 1995. Effect of Environmental Variables in Turkey Confinement Houses on Airborne Aspergillus and Mycoflora Composition. Poultry Science. 74-463:471. Salmon, S.A., J.L. Watts, C. A. Case, L. J. Hoffman, H. C. Wegener, and R. J. Yancey, Jr. 1995 Comparison of MIC's of Ceftiofur and Other Antimicrobial Agents Against Bacterial Pathogens of Swine from the United States, Canada and Denmark. Journal of Clinical Microbiology 33 (9) 2435-2444. Fedorka-Cray, P.J., W.C. Cray Jr., L.J. Hoffman, J.T. Gray, S.A. Breisch, and G.A. Anderson. 1994. Actinobacillus (Haemophilus) pleuropneumoniae Part I: History, Epidemiology, Serotyping, and Treatment. Compendium on Continuing Education for the Veterinary Practitioner. 15 (10):1447-1455. DeBey, M.C., D.W. Trampel, J.L. Richard, D.S. Bundy, L.J. Hoffman, V.M. Meyer, and D.F. Cox. 1994. Effect of Building Ventilation Design on Environment and Performance of Turkeys. American Journal of Veterinary Research. 55 (1):216-220. Will, L.A., P.S. Paul, T.A. Proescholdt, S.N. Aktar, K.P. Flaming, B.H. Janke, J. Sacks, Y.S. Lyoo, H.T. Hill, L.J. Hoffman, and L.L. Wu. 1994. Evaluation of Rotavirus and Diarrhea in Iowa Commercial Pigs Based Upon a Retrospective Epidemiologic Study of a Population Sample Represented by Diagnostic Laboratory Cases. Journal of Veterinary Diagnostic Investigation. 6 (4):1416-1422. Trampel, D.W., N.S. Jensen, and L.J. Hoffman. 1994. Cecal Spirochetosis in Commercial Laying Hens. Avian Diseases 38 (4):905-909. Halbur, P.G., P.S. Paul, J.J. Andrews, T.P. Sanderson, R.F. Ross, K.J. Schwartz, M.L. Frey, B.J. Erickson, H.T. Hill, and L.J. Hoffman. 1993. Experimental Transmissions of an Apparent Viral Pneumonia in Conventional and Gnotobiotic Pigs. Veterinary Record. 132:263-266. Hoffman, L.J. 1992. Susceptibility Testing of Bacterial Pathogens - An Aid to the Swine Practitioner. Scope, The Upjohn Company. Moro, M., G. W. Beran, R.W. Griffith, and L.J. Hoffman. 1992. Effects of Environmental (Heat) Stress on Antimicrobial Drug Resistance of Escherichia coli of the Intestinal Flora of Swine. Iowa State University Swine Research Reports, Iowa State University Extension, Ames, IA. pp. 168-169. Hoffman, L.J. (Principal Contributor).1992. Treating and Controlling Bacterial Pneumonia. An Upjohn Company Educational Manuscript. Halbur, P.G., L.J. Hoffman and J.J. Andrews. 1992. Retrospective Review of Actinobacillus suis Cases and Experimental Reproduction of Pleuropneumonia with Actinobacillus suis. Iowa State University Swine Research Reports, Iowa State University Extension, Ames, IA. pp. 143-144. Wilson, J.A., R. B. Rimler and L.J. Hoffman. 1992. Comparison of DNA Fingerprints and Somatic Serotypes of Serogroup B and E Pasteurella multocida Isolates. Journal of Clinical Microbiology. 30 (6):1518-1524. Hoffman, L.J. 1990. Recoverability of Pasteurella multocida from the Nasal Cavities of Challenged Pigs. Iowa State University Swine Research Reports, Iowa State University Extension, Ames, IA. Kramer, T.T. and L.J. Hoffman 1990. Two-Year Antimicrobial Susceptibility Survey of Salmonella choleraesuis Field Isolates. Iowa State University Swine Research Reports, Iowa State University Extension, Ames, IA. Hoffman, L.J. 1989. Actinobacillus (Haemophilus) pleuropneumoniae: Use of coagglutination and complement fixation to determine the relationship between the presence of organism and antibody titer in slaughterhouse pigs. Journal of Veterinary Diagnostic Investigation, Vol. 1, 16-19. Uhlenhopp, E.K., L.J. Hoffman, and Y. Niyo. 1989. Clinical Trials Evaluating Ceftiofur Hydrochloride Against Actinobacillus pleuropneumoniae. Iowa State University Swine Research Report, Iowa State University Extension, Ames, IA pp. 69-70. Hoffman, L.J., T. Klinefelter, and J. Upah. 1989. Recovery of Toxigenic Pasteurella multocida from Iowa Swine Herds Affected with Atrophic Rhinitis. Proceedings of the 5th International Symposium World Association of Veterinary Laboratory Diagnosticians. Guelph, Ontario, Canada. Hoffman, L.J. 1989. Recovery of Toxigenic Pasteurella multocida and Bordetella bronchiseptica from Iowa Swine Herds Affected with Atrophic Rhinitis. Iowa State University Swine Research Reports, Iowa State University Extension, Ames, IA. Hill, H.T. and L.J. Hoffman 1989. Swine Respiratory Disease Caused by Actinobacillus (Haemophilus) pleuropneumoniae. Swine Consultant, Norden Laboratories. Evans, R.A., E.K. Uhlenhopp, L.J. Hoffman, R.J. Yancey, Jr., and J.B. Paulissen. 1988. Ceftiofur hydrochloride, a new broad-spectrum cephalosporin: Effectiveness against induced Haemophilus pleuropneumoniae of growing swine. 1988 Proceeding of International Pig Veterinary Society Congress. Hoffman, L.J., J.P. Carballo, and L.M. Henderson. 1985. Clinical, bacteriologic, and serologic features of Haemophilus pleuropneumoniae outbreaks in Iowa Swine. American Association of Veterinary Laboratory Diagnosticians, 28th Annual Proceedings: 211-224. Hoffman, L.J. and L.M. Henderson. 1985. The significance of Streptococcus suis in swine disease: clinical, pathologic and bacteriologic data from a two year study. American Association of Veterinary Laboratory Diagnosticians, 28th Annual Proceedings: 201-210. Hoffman, L.J. 1983. Haemophilus pleuropneumoniae infection in Iowa swine: a four year diagnostic review of field cases. Proceedings of Third International Symposium, World Association of Veterinary Laboratory Diagnosticians. Vol. 2:403-440. Daniels, G.N., L.J. Hoffman, and V. Speer. 1983. Swine necroproliferative enteritis (NPE) transmission trials relative to diet. Proceedings of Third International Symposium, World Association of Veterinary Laboratory Diagnosticians. Vol. 2:559-562. Andrews, J.J., and L.J. Hoffman. 1982. A porcine colitis caused by a weakly beta-hemolytic treponeme (Treponema innocens). 25th Annual Proceedings, American Association of Veterinary Laboratory Diagnosticians. Fales, W.H., L.A. Selby, J.J. Webber, L.J. Hoffman, L.K. Kintner, S.L. Nelson, R.B. Miller, J.G. Thorne, J.T. McGinity, and D.K. Smith. 1982. Antimicrobial resistance among Pasteurella spp. recovered from Missouri and Iowa cattle with bovine respiratory disease complex. Journal of American Veterinary Medical Association. Vol. 181, No. 5, pp. 477-479. Hoffman, L.J., S.A. Karli, and T.J. Klinefelter. 1981. Bacteriologic findings from recent outbreaks of Haemophilus pleuropneumoniae infection in Iowa swine. American Association of Veterinary Laboratory Diagnosticians, 24th Annual Proceedings. Hoffman, L.J. 1981. Bacteriology for the swine practitioner. Proceedings of the American Association of Swine Practitioners. Andrews, J.J., L.J. Hoffman, and O.R. Hedstrom. 1980. Evaluation of current diagnostic methods for swine dysentery. American Association of Veterinary Laboratory Diagnosticians, 23rd Annual Proceedings: 165-174. Hoffman, L.J., W.B. Buck, and L.Y. Quinn. 1980. Effects of oral lead on serum proteins and the development of specific antibody response in young sheep. American Journal of Veterinary Research 41(3):331-337. Lassen, E.D., L.J. Hoffman, and W.B. Buck. 1980. Increased susceptibility of lead exposed swine to Salmonella choleraesuis var. kunzendorf. American Journal of Veterinary Research 41(4):463-468. Hoffman, L.J., H.T. Hill, and C. Cornelison. 1977. Application of new techniques for culturing Treponema hyodysenteriae. Proceedings of the 1st International Symposium, World Association of Veterinary Laboratory Diagnosticians. Hoffman, L.J., E.D. Lassen, and W.B. Buck. 1976. Increased susceptibility of lead-exposed swine to Salmonella choleraesuis var. kunzendorf. Proceedings of the International Pig Veterinary Society Congress. Hoffman, L.J. 1974. Effects of oral lead on serum proteins and on the development of specific antibody response in young sheep. Doctoral Dissertation, Iowa State University Library, Ames, IA. Carson, T.L., G.A. Van Gelder, W.B. Buck, L.J. Hoffman, D.L. Mick, and K.R. Long. 1973. Effects of low level lead ingestion in sheep. Clinical Toxicology 6 (3):389-403. Book Chapters: Pasteurellosis in Swine. Current Veterinary Therapy: Food Animal Practice 4, Editors: Jimmy L. Howard and Robert Smith, 1998. Back to the Profile