Limitations in the implementation of control measures for bovine paratuberculosis in infected Swiss dairy and beef herds.

Klopfstein, Myriam; Leyer, Alexandra; Berchtold, Beat; Torgerson, Paul Robert; Meylan, Mireille (2021). Limitations in the implementation of control measures for bovine paratuberculosis in infected Swiss dairy and beef herds. PLoS ONE, 16(2), e0245836. Public Library of Science 10.1371/journal.pone.0245836

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Various measures have been advocated for the control of Johne's disease (caused by Mycobacterium avium subsp. paratuberculosis, MAP) in different countries. Farmers' compliance has been reported to be variable depending on disease prevalence and incentives to participate in control programs. After the prevalence of MAP shedding and risk factors for within-herd spread of MAP were assessed in 17 Swiss cattle herds (10 dairy and 7 beef), general and herd-specific recommendations were given to the farmers to reduce MAP transmission within the herd. Participation in the study and implementation of control measures were voluntary, no financial incentives were provided for the realization of control measures. After a 3-year period of monitored observation including biannual farm visits and discussion of the situation, the implementation of the recommended control measures and their effect on prevalence of MAP shedding were evaluated. Implementation of recommended general and farm-specific control measures was only partially realized. Neither the number of animals tested positive (before or during the study) nor the farmers' knowledge about paratuberculosis were significantly associated with their compliance for the implementation of management changes. The apparent within-herd prevalence remained constant despite limited implementation of control measures, and no particular group of control measures was found to be associated with changes in prevalence. Farmers' compliance for the implementation of control measures to reduce the impact of Johne's disease in infected farms was very limited under Swiss farming conditions in the frame of voluntary participation in a research project. These results indicate that the losses associated with paratuberculosis in Swiss dairy and beef operations are not estimated to be high enough by the farmers to justify important efforts for control measures, and that incentives may be necessary to achieve efficient implementation of such measures.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV)
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > Clinic for Ruminants

UniBE Contributor:

Klopfstein, Myriam; Berchtold, Beat and Meylan, Mireille

Subjects:

500 Science > 590 Animals (Zoology)
600 Technology > 610 Medicine & health
600 Technology > 630 Agriculture

ISSN:

1932-6203

Publisher:

Public Library of Science

Language:

English

Submitter:

Nathalie Viviane Zollinger

Date Deposited:

09 Feb 2021 16:46

Last Modified:

09 Feb 2021 16:54

Publisher DOI:

10.1371/journal.pone.0245836

PubMed ID:

33529202

BORIS DOI:

10.48350/152065

URI:

https://boris.unibe.ch/id/eprint/152065

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