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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Prevalence of Fasciola gigantica infection in slaughtered animals in south-eastern Lake Chad area in relation to husbandry practices and seasonal water levels
BMC Veterinary Research, Volume 10, Article 81, Year 2014
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Description
Background: Fasciolosis has been described in sub-Saharan Africa in many accounts, but the latest reports from Chad are from the 1970s. Mobile pastoralists perceive liver parasites as a significant problem and think that proximity to Lake Chad can lead to infection. This study aimed to assess the importance of liver fluke infections in mobile pastoralists' livestock in the south-eastern Lake Chad region.In 2011, all animals presented at three slaughter slabs near Gredaya in the south-eastern Lake Chad area were examined for infection with Fasciola spp. during routine meat inspections.Results: This study included 616 goats, 132 sheep and 130 cattle. The prevalence of adult Fasciola gigantica was 68% (CI 60-76%) in cattle, 12% (CI 10-16%) in goats and 23% (CI 16-30%) in sheep. From all infected animals (n = 200), 53% (n = 106) were classified as lightly infected with 1-10 parasites, 18% (n =36) as moderately infected with 11-100 parasites and 29% (n = 58) as heavily infected with more than 100 parasites per animal.Animals grazing close to the shores of Lake Chad had a much higher risk of infection (prevalence =38%; n = 329) than animals not feeding at the lake (n = 353), with only one goat being positive (prevalence = 0.28%).The ethnic group of the owner was a strong determinant for the risk of infection. Ethnic group likely served as a proxy for husbandry practices. Geospatial distribution showed that animals originating from areas close to the lake were more likely to be infected with F. gigantica than those from more distant areas.Conclusions: Livestock belonging to ethnic groups which traditionally stay near surface water, and which were reported to feed near Lake Chad, have a high risk of infection with F. gigantica. Pastoralist perception of fasciolosis as a priority health problem was confirmed.Regular preventive and post-exposure treatment is recommended for animals grazing near the lake. However, further economic analysis is needed. © 2014 Jean-Richard et al.; licensee BioMed Central Ltd.
Available Materials
https://efashare.b-cdn.net/share/pmc/articles/PMC4022263/bin/1746-6148-10-81-S1.pdf
https://efashare.b-cdn.net/share/pmc/articles/PMC4022263/bin/1746-6148-10-81-S2.pdf
https://efashare.b-cdn.net/share/pmc/articles/PMC4022263/bin/1746-6148-10-81-S3.mdb
Authors & Co-Authors
Jean-Richard, Vreni
Switzerland, Allschwil
Swiss Tropical and Public Health Institute Swiss Tph
Switzerland, Basel
Universitat Basel
Crump, Lisa
Switzerland, Allschwil
Swiss Tropical and Public Health Institute Swiss Tph
Switzerland, Basel
Universitat Basel
Abicho, Abbani Alhadj
Chad
Centre de Support en Santé Internationale
Naré, Ngandolo B.
Chad, N'djamena
Institut de Recherche en Elevage Pour le Développement
Greter, Helena
Switzerland, Allschwil
Swiss Tropical and Public Health Institute Swiss Tph
Switzerland, Basel
Universitat Basel
Hattendorf, Jan
Switzerland, Allschwil
Swiss Tropical and Public Health Institute Swiss Tph
Switzerland, Basel
Universitat Basel
Schelling, Esther
Switzerland, Allschwil
Swiss Tropical and Public Health Institute Swiss Tph
Switzerland, Basel
Universitat Basel
Zinsstag, Jakob B.
Switzerland, Allschwil
Swiss Tropical and Public Health Institute Swiss Tph
Switzerland, Basel
Universitat Basel
Statistics
Citations: 36
Authors: 8
Affiliations: 4
Identifiers
Doi:
10.1186/1746-6148-10-81
e-ISSN:
17466148
Research Areas
Environmental
Study Design
Cross Sectional Study
Study Locations
Chad