An assessment of chicken husbandry including Newcastle disease control in rural areas of Chibuto,Mozambique |
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| Authors: | Harrison Jennifer L Alders Robyn G |
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| Institution: | (1) College of Veterinary Medicine, Cornell University, New York, NY 14853, USA;(2) The International Rural Poultry Centre, KYEEMA Foundation, Brisbane, Australia;(3) The Department of Environmental and Population Health, Cummings School of Veterinary Medicine, Tufts University, Medford, MA 01536, USA |
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| Abstract: | This paper describes the management practices of village poultry in Chibuto and the impact of the Newcastle disease vaccination
program conducted between January 2005 and August 2008. A 51-question survey was conducted in 11 villages involved in the
Newcastle disease vaccination program in Chibuto, Mozambique. The mean flock size was significantly higher in households that
provided their chickens with feed (15.0) than chickens that only scavenged (8.7; P = 0.0001). The mean flock size was significantly higher in households with vaccinated chickens (16.9) than those with unvaccinated
chickens (10.0; P = 0.0005). The average number of chicks hatched during the most recent brooding was significantly higher in households that
fed their chickens (9.2) than chickens that only scavenge (6.9; P = 0.0335). The mean hatch rate was significantly higher in households with vaccinated chickens (0.8) than those with unvaccinated
chickens (0.7; P = 0.0324). It was determined that unvaccinated chickens are approximately five times more at risk to die of Newcastle disease
(odds ratio = 4.79). This study supported the efficacy of the I-2 Newcastle disease vaccine as shown by the increased average
flock size and decreased incidence of chicken mortality due to Newcastle disease. The level of farmer involvement and ongoing
commitment by community vaccinators suggest that the Chibuto vaccination program is likely to be sustainable in the medium-
to long-term. |
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