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JOHNE'S INFORMATION CENTER - University of Wisconsin Ñ School of Veterinary Medicine

Tuesday, June 19, 2018
Highlights from the 14th ICP

June 4-8, 2018, Mexico hosted the 14th Colloquium of the International Association for Paratuberculosis (14-ICP) in the Riviera Maya, Quintana Roo. Abstracts of the meeting are available to all IAP members (191 pages). They will be publicly available later on the IAP website. You can join the IAP for only US$50. This news posting offers some selected highlights of general interest.

  • Some cattle can recover from a MAP infection.(abstract 1.3)

  • U.S. researchers reported that cattle, sheep and goats respond similarly to MAP infection but experimental infection of calves proved to be the most standardized model for research.(abstract 1.7)

  • In a New Zealand dairy herd, selective culling of MAP-shedder animals resulted in control of infectious spread and a dramatic increase in animal health and production within one year.(abstract 1.11)

  • A study of Irish dairy herds found that season, milk yield and somatic cell counts can affect milk ELISA results.(poster 1.1)

  • Paratuberculosis was confirmed in a scimitar-horned oryx in Mexico.(poster 1.22)

  • Paratuberculosis affects 23% of 115 buffalo tested in Brazil.(poster 2.48)

  • 50% of 44 wild deer in Colombia tested positive for antibody to MAP using a commercial ELISA kit.(poster 2.58)

  • In western India, high rates of ELISA-positivity were found in cattle (88.1%), sheep (51.4%), buffalo (33.3%), and goats (33%), rates that were far higher than for brucellosis.(poster 2.61)

  • Natural transmission of paratuberculosis from a goat to a pot-bellied pig in the U.S. was reported.(poster 3.72)

  • MAP was cultured from skeletal muscle (meat) of 34% of 143 cattle with clinical signs of paratuberculosis in a German abattoir study.(poster 4.74)

  • In Brazil, 17% of 258 Crohn’s patients tested PCR-positive for MAP in intestinal biopsy specimens collected at colonoscopy using two MAP-specific genetic targets plus an internal control.(poster 4.78)

  • A Canadian survey found the estimated true herd-level prevalence of paratuberculosis in dairy herds to be 67% in Western Canada, 58% in Ontario, 22% in Quebec, and 41% in the Atlantic Provinces.(Merkal Award presentation on page 157 of the abstracts).
  • IAP website