Service I provide necropsy and biopsy and consultation services for clients in Diagnostic Pathology. Research My research emphasis is on food safety and enteric diseases of swine and cattle, especially Salmonella and enterotoxigenic Escherichia coli. I am the KSU representative to the NC-1007 (formerly NC-62) technical committee: “Enteric Diseases of Swine and Cattle: Prevention, Control and Food Safety.” This is a project involving collaborative research between multiple Agricultural Experiment Stations. Teaching I assist in teaching veterinary necropsy techniques to fourth year veterinary students; viral diseases of swine, sheep, and goats to second year veterinary students; pathology to Pathology Residents to help prepare them for pathology boards. I am also active in weekly dermatohistopathology and neoplasia seminars. Selected References Nietfeld JC, Pollock C. 2002. Fatal cytauxzoonosis in a free-ranging bobcat (Lynx rufus). J Wildlife Dis, 38:607-610. Moisan PG, Steffen DJ, Sanderson MW, Nietfeld JC, Finley MR, Grotelueschen DM, Andrews GA, Johnson G, Williamson L, Rushton SD, Hall DG, Harmon BG. 2002. A familial degenerative neuromuscular disease of Gelbvieh cattle. J Vet Diagn Invest 4:140-149. Harkin KR, Andrews G, Nietfeld JC. 2002. Canine dysautonomia: 65 cases (1993-2000). J Am Vet Med Assoc 220:633-639. Harkin KR, Nietfeld J, Fischer JR. 2002. Dysautonomia in a family of German shorthair pointers. J Am Anim Hosp Assoc 38:55-59. Feder I, Nietfeld JC, Galland J, Yeary T, Sargeant JM, Oberst R, Tamplin ML, Luchansky JB. 2001. Comparison of cultivation and PCR-hybridization for detection of Salmonella in porcine fecal and water samples. J Clin Microbiol l39:2477-2484. Sanderson MW, Chenoweth PJ, Yeary T, Nietfeld JC. 2000. Prevalence and reproductive effects of Ureaplasma diversum in beef replacement heifers and the relationship to blood urea nitrogen level. Theriogenol 54:401-408. Nietfeld JC, Fickbohm BL, Rogers DG, Franklin CL, Riley LK. 1999. Isolation of cilia-associated respiratory (CAR) bacillus from pigs and calves and experimental infection of gnotobiotic pigs and rodents. J Vet Diagn Invest 11:252-258. Nietfeld JC, Yeary TJ, Basaraba RJ, Schauenstein K. 1999. Norepinephrine stimulates in vitro growth but does not increase pathogenicity of Salmonella choleraesuis in an in vivo model. Adv Exp Med Biol 473:249-260. Book Chapters Nietfeld JC. Revised “Abortion, Large Animals” section for 9th ed of The Merck Veterinary Manual, (in press). Nietfeld JC. Chlamydial infections in small ruminants. In: The Veterinary Clinics of North America: Food Animal Practice, Van Metre D (ed), W. B. Saunders Co: Philadelphia, July 2001, 301-314 Nietfeld JC, Kennedy GA. Salmonellosis. In: Howard JL, Smith R, Current Veterinary Therapy: Food Animal Practice 4, W. B. Saunders Co: Philadelphia, 1999:377-381.
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