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The transmission and impact of paratuberculosis infection in domestic and wild ruminants

Author

Listed:
  • W.y Ayele

    (Veterinary Research Institute, Brno, Czech Republic)

  • M. Macháčková

    (Veterinary Research Institute, Brno, Czech Republic)

  • I. Pavlík

    (Veterinary Research Institute, Brno, Czech Republic)

Abstract

Mycobacterium avium subsp. paratuberculosis (M. paratuberculosis) infects domestic cattle, sheep, goats, deer, camelids and wild ruminants leading to chronic enteritis known as paratuberculosis (Johne's disease). The infection is chronic, progressive and unresponsive to treatment. Most infected animals do not develop clinical disease but may excrete the bacteria. Clinically sick animals suffer emaciation and in some species diarrhoea, followed by eventual death. During the course of the disease, excretion of M. paratuberculosis in faeces and milk occurs, and the organism spreads through the blood and lymph vessels of infected animals to multiple internal organs. The infection disseminates to both the female and male reproductive organs. Though M. paratuberculosis is not classified as a human pathogen, current opinions on the possible role of this mycobacteria in public health is discussed. This article attempts to review the ways and circumstances by which M. paratuberculosis is transmitted within an animal population and the importance of the disease on animal production. Published reports concerning the transmission and epidemiology of the disease are reviewed herein, and preventive and control measures are summarised.

Suggested Citation

  • W.y Ayele & M. Macháčková & I. Pavlík, 2001. "The transmission and impact of paratuberculosis infection in domestic and wild ruminants," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 46(7-8), pages 205-224.
    • Handle: RePEc:caa:jnlvet:v:46:y:2001:i:7-8:id:7878-vetmed
    DOI: 10.17221/7878-VETMED
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    Citations

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    Cited by:

    1. J.L. Khol & V. Beran & P. Kralik & M. Trckova & I. Pavlik & W. Baumgartner, 2010. "Grass silage contaminated with Mycobacterium avium subspecies paratuberculosis (MAP): a possible source of paratuberculosis infection in ruminants?," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 55(5), pages 225-232.
    2. V. Beran & M. Havelkova & J. Kaustova & L. Dvorska & I. Pavlik, 2006. "Cell wall deficient forms of mycobacteria: a review," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 51(7), pages 365-389.
    3. M. Moravkova & I. Trcka & J. Lamka & I. Pavlik, 2008. "A mixed infection of Mycobacterium avium subsp. paratuberculosis and M. a. hominissuis in one red deer (Cervus elaphus) studied by IS900 BstEII and IS1245 PvuII RFLP analyses: a case report," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 53(8), pages 445-451.
    4. K. Hruska & M. Bartos & P. Kralik & I. Pavlik, 2005. "Mycobacterium avium subsp. paratuberculosis in powdered infant milk: paratuberculosis in cattle - the public health problem to be solved," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 50(8), pages 327-335.
    5. M. Toman & M. Faldyna & I. Pavlik, 2003. "Immunological characteristics of cattle with Mycobacterium avium subsp. paratuberculosis infection," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 48(6), pages 147-154.
    6. L. Hasonova & I. Trcka & V. Babak & Z. Rozsypalova & R. Pribylova & I. Pavlik, 2009. "Distribution of Mycobacterium avium subsp.paratuberculosis in tissues of naturally infected cattle as affected by age," Veterinární medicína, Czech Academy of Agricultural Sciences, vol. 54(6), pages 257-269.

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