Sero-epidemiology of bluetongue in Algerian ruminants | Zendy

Moustafa Kardjadj | Zendy; Pam Dachung Luka | Zendy; Hind BENMAHDI Meriem | Zendy

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Sero-epidemiology of bluetongue in Algerian ruminants

Author(s) -

Moustafa Kardjadj,

Pam Dachung Luka,

Hind BENMAHDI Meriem

Publication year - 2016

Publication title -

african journal of biotechnology

Language(s) - English

Resource type - Journals

ISSN - 1684-5315

DOI - 10.5897/ajb2016.15343

Subject(s) - seroprevalence , herd , veterinary medicine , livestock , ruminant , biology , culicoides , zoology , logistic regression , serology , antibody , medicine , immunology , agronomy , ecology , pasture

A total of 2871 blood samples were collected (450 cattle, 1932 sheep and 489 goats) from 225 randomly sampled herds between January and June 2014. Competitive enzyme-linked immunosorbent assay (CELISA) was used to detect antibodies from sera as an indicator of exposure to bluetongue virus (BTV). The results show an overall herd seroprevalence of 16.44% (95% CI 9.42-23.46); 21.3% (95% CI 17.1- 25.6) for cattle and 13.33% (95% CI 9.86-16.8) for small ruminants, respectively. At the individual level; our results revealed an overall seroprevalence of 6.96% (200/2871); 13.7% (62/450) for cattle and 5.70% (138/2421) for small ruminants. The risk factor analysis performed by univariate analysis followed by multiple logistic regressions indicated that transhumance, mixed herds, presence of wetlands nearby the herds and lack of Culicoides controls strategies were the major risk factors for bluetongue seropositivity in Algerian ruminant herds. Key words : Algeria, bluetongue, seroprevalence, risk factors, ruminants.

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