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Cluster randomised trial of the impact of biosecurity measures on poultry health in backyard flocks

Conan Anne, Goutard Flavie, Holl Davun, Ra Sok, Ponsich Aurélia, Tarantola Arnaud, Sorn San, Vong Sirenda. 2013. Cluster randomised trial of the impact of biosecurity measures on poultry health in backyard flocks. Veterinary Journal, 198 (3) : 649-655.

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Quartile : Q1, Sujet : VETERINARY SCIENCES

Résumé : In Cambodia, most poultry are raised in backyard flocks with a low level of biosecurity, which increases the risk of spread of infectious diseases. The aim of this study was to evaluate the effectiveness of a practical biosecurity intervention based on affordable basic measures. A cluster randomised trial was conducted in 18 villages in Cambodia from November 2009 to February 2011. Generalised estimating equations were used to test the association between the intervention and mortality rates in flocks of chickens and ducks. Mortality rates in chicken flocks in intervention villages (mean 6.3%, range 3.5-13.8%, per month) were significantly higher than in control villages (mean 4.5%, range 2.0-9.7%, per month; P < 0.01). Mortality rates in duck flocks in intervention villages (mean 4.1%, range 1.9-7.9%, per month) were significantly higher than in control villages (mean 2.8%, range 0.6-8.0%, per month; P < 0.01). Despite good compliance among poultry owners, the biosecurity intervention implemented in this study was not associated with improvements in poultry mortality rates. These findings suggest that basic biosecurity measures may not suffice to limit the spread of infectious diseases in backyard poultry flocks in Cambodia.

Mots-clés géographiques Agrovoc : Cambodge

Classification Agris : L73 - Maladies des animaux
L01 - Élevage - Considérations générales

Champ stratégique Cirad : Axe 4 (2005-2013) - Santé animale et maladies émergentes

Auteurs et affiliations

  • Conan Anne, Institut Pasteur du Cambodge (KHM)
  • Goutard Flavie, CIRAD-ES-UPR AGIRs (THA)
  • Holl Davun, Murdoch University (AUS)
  • Ra Sok, Institut Pasteur du Cambodge (KHM)
  • Ponsich Aurélia, Institut Pasteur du Cambodge (KHM)
  • Tarantola Arnaud, Institut Pasteur du Cambodge (KHM)
  • Sorn San, NAVRI (KHM)
  • Vong Sirenda, Institut Pasteur du Cambodge (KHM)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/571636/)

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