Seroprevalence of peste des petits ruminants among unvaccinated small ruminants in Sokoto State, northwestern Nigeria
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In order to determine the current status of peste des petits ruminants (PPR) in Sokoto State, Nigeria, a competitive ELISA kit was used to detect the presence of antibodies to PPR virus among the unvaccinated sheep and goats from some randomly selected local government areas (LGAs) in the study area. An overall seroprevalence rate of 45.50% (197/433) was recorded for the disease in this study. Based on the LGAs sampled, the seroprevalence rates in decreasing order were 68.75% (Sokoto South), 59.10% (Tambuwal), 56.72% (Goronyo), 53.24% (Kware), 33.24% (Bodinga) and 18.60% (Wurno). Our results further revealed that sheep had a significantly (p < 0.05) higher percentage of the seroprevalence rate (52.41%) than the goats (40.24%) sampled in this study. Similarly, age group was found to be significantly associated with the seroprevalence rate which was highest among animals aged 1–2 years (52.49%) followed by those aged less than 1 year old (44.86%) and those aged above 2 years (31.97%). Lastly, breeds of goats, but not those of sheep considered in this study, were found to be significantly associated with the seroprevalence rate (p < 0.05). Altogether, our results signify the active circulation of PPR virus in all the geopolitical zones of the state, and that age, sex, species and location of sampling may constitute the risk factors for the occurrence of the disease in the study area. Therefore, vaccination using PPR homologous vaccine should be intensified in the study area. Genetic characterisation of the circulating peste des petits ruminants virus in the study area should also be performed.
KeywordsPeste des petits ruminants ELISA Seroprevalence Sokoto Small ruminants
Special appreciation goes to the staff of the Virus Research Division, National Veterinary Research Institute, Vom, Nigeria, for their technical assistance in the conduct of this research.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
This research does not contain any studies on human participants. All procedures on animals in this research were carried out according to the recommendations of the Animal Welfare Committee of the Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria.
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