Forty-eight percent (48%) of veterinarians and 23% of producers want Johne's disease to be quarantinable. Veterinarians and producers were asked if they agreed with a proposed federally mandated Johne's disease control program that specified a four-year voluntary enrollment period followed by mandatory enrollment. Fifty-nine percent (59%) of veterinarians and 19% of producers agreed with this approach. Six percent (6%) of veterinarians and 39% of producers want the program to be voluntary. Seven percent (7%) of veterinarians and six percent (6%) of producers want the program to be mandatory, while fifteen percent (15%) of veterinarians and 16% of producers want the program to have a voluntary period longer than four years. Four percent (4%) of veterinarians and 12% of producers do not want a program.Iowa veterinarians responsible for the health care of cattle were surveyed about Johne's disease to determine: 1) educational needs; 2) use and interpretation of Johne's disease by diagnostic tests; 3) control programs recommended; and 4) potential support for a federal control program. Iowa cattle producers owning Johne's positive herds were surveyed to determine: 1) knowledge of Johne's disease: 2) control strategies implemented; and 3) potential support for a federal Johne's control program. Two hundred and seventy-seven (277) of 450 (62%) veterinarians and 296 of 542 (55%) producers returned the survey. Eighty-two percent (82%) of veterinarians indicated they need more information about Johne's disease and only two percent (2%) do not want more continuing education about Johne's disease. Twenty-seven percent (27%) of veterinarians have had producers request they avoid obtaining a definitive diagnosis of Johne's disease and 16% of veterinarians have recommended that producers avoid getting a diagnosis confirmed by laboratory tests. Twenty-one percent (21%) of veterinarians and 27% of producers have used the Johne's disease vaccine. Of these, 81% of veterinarians and 75% of producers indicated it is effective. Seventy-one percent (71%) of veterinarians who use the vaccine are comfortable recommending it versus nine percent (9%) of veterinarians who do not use the vaccine.