8. Ferris KE, Miller DA: 1990, Salmonella serotypes from animals and related sources reported during July 1989-June 1990. Proc Annu Meet US Anim Health Assoc 94:463-478. 9. Ferris KE, Miller DA: 1991, Salmonella serotypes from animals and related sources reported during July 1990-June 1991. Proc Annu Meet US Anim Health Assoc 95:440-454. 10. Ferris KE, Miller DA: 1992, Salmonella serotypes from animals and related sources reported during July 1991-June 1992. Proc Annu Meet US Anim Health Assoc 96:492-504. 11. Gibbons DF: 1980, Equine salmonellosis: a review. Vet Rec 106:356-359. 12. Hird DW, Casebolt DB, Carter JD, et al.: 1986, Risk factors for salmonellosis in hospitalized horses. J Am Vet Med Assoc 188:173-177. 13. Hird DW, Pappaioanou M, Smith BP: 1984, Case control study of risk factors associated with isolation of Salmonella saint paul in hospitalized horses. Am J Epidemiol 120:852-864. 14. Hook EW: 1990, Salmonella species (including typhoid fever). In: Principles and practice of infectious diseases, ed. Mandell GL, Douglas RG, Bennett JE, 3rd ed., pp. 1700-1716. Churchill Livingston, New York, NY. 15. Ikeda JS, Hirsh DC: 1985, Common plasmid encoding resistance to ampicillin, chloramphenicol, gentamicin, and trimethoprim-sulfadiazine in two serotypes of Salmonella isolated during an outbreak of equine salmonellosis. Am J Vet Res 46:769773. 16. Ikeda JS, Hirsh DC, Jang SS, Biberstein EL: 1986, Characteristics of Salmonella isolated from animals at a veterinary medical teaching hospital. Am J Vet Res 47:232-235. 17. Lund LJ, Atkinson WI, Holt GJ: 1991, Transmission of Salmonella to veterinarians. Vet Rec 129:415. 18. Mathewson JJ, Simpson RB, Roush DA: 1981, Isolation of antibiotic-resistant Salmonella krefeld from clinical veterinary materials. Antimicrob Agents Chemother 19:355-356. 19. Morse EV, Duncan MA, Fessler JF, Page EH: 1976, The treatment of salmonellosis in Equidae. Mod Vet Pract 57:47-51. 20. Morse EV, Duncan MA, Page EA, Fessler JF: 1976, Salmonellosis in Equidae: a study of 23 cases. Cornell Vet 66:198213. 21. National Committee for Clinical Laboratory Standards: 1990, Approved standard M2-A4. Performance standards for antimicrobial disk susceptibility tests. National Committee for Clinical Laboratory Standards, Villanova, PA. 22. National Committee for Clinical Laboratory Standards: 1990, Approved standard M7-A2. Methods for dilution antimicrobial susceptibility tests for bacteria that grow aerobically. National Committee for Clinical Laboratory Standards, Villanova, PA. 23. National Committee for Clinical Laboratory Standards: 1992, Fourth information supplement M100-S4. Performance standards for antimicrobial susceptibility testing. National Committee for Clinical Laboratory Standards, Villanova, PA. 24. Owen RR, Fullerton J, Barnum DA: 1983, Effects of transportation, surgery, and antibiotic therapy in ponies infected with Salmonella. Am J Vet Res 44:46-50. 25. Palmer JE, Benson CE: 1984, Salmonella shedding in the equine. Proc Int Symp Salmonella, pp. 161-164. 26. Smith BP: 1981, Equine salmonellosis: a contemporary view. Equine Vet J 13:147-151.