Within-herd spread of contagious bovine pleuropneumonia in Ethiopian highlands

Lesnoff Matthieu, Laval Géraud, Bonnet Pascal, Abdicho Sintayehu, Workalemahu Asseguid, Kifle Daniel, Peyraud Armelle, Lancelot Renaud, Thiaucourt François. 2004. Within-herd spread of contagious bovine pleuropneumonia in Ethiopian highlands. Preventive Veterinary Medicine, 64 : pp. 27-40.

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Abstract : Contagious bovine pleuropneumonia (CBPP) is a major threat for cattle health and production in Africa. This disease is caused by the small-colony type of Mycoplasma mycoides subspecies mycoides (MmmSC). Transmission occurs from direct and repeated contacts between sick and healthy animals. Veterinary services recently reported a resurgence of CBPP in the province of West Wellega, in the Ethiopian highlands. A research program was set up to estimate the epidemiological parameters of the within-herd infection spread. A follow-up survey was implemented in 71 sampled herds of the Boji district (West Wellega province). Fifteen herds were classified as newly infected and used in a serological- and clinical-incidence study. The overall 16-month cumulative sero-incidence risk was 34%. Clinical cases were recorded for 39% of the seropositive cattle; case-fatality risk was 13%. There was no evidence of benefit on infection spread of CBPP-control measures used locally by farmers (isolation or antibiotic treatments of sick animals). This might be related to a lack of power in the statistical analyses or to a quality problem for the medications used (and more generally, for health-care delivery in the Boji district). © 2004 Elsevier B.V. All rights reserved. (Résumé d'auteur)

Mots-clés Agrovoc : Péripneumonie contagieuse bovine, Mycoplasma mycoides, Épidémiologie, Symptome

Mots-clés géographiques Agrovoc : Éthiopie

Classification Agris : L73 - Animal diseases

Auteurs et affiliations

  • Lesnoff Matthieu, CIRAD-EMVT-PPA (ETH)
  • Laval Géraud, CIRAD-EMVT-PPA (ETH)
  • Bonnet Pascal, CIRAD-EMVT-PPA (ETH)
  • Abdicho Sintayehu, NAHDIC (ETH)
  • Workalemahu Asseguid, ILRI (ETH)
  • Kifle Daniel, ILRI (ETH)
  • Lancelot Renaud, CIRAD-EMVT-PPA (SEN)
  • Thiaucourt François, CIRAD-EMVT-SANTE ANIMALE (FRA)

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