期刊
TROPICAL ANIMAL HEALTH AND PRODUCTION
卷 53, 期 5, 页码 -出版社
SPRINGER
DOI: 10.1007/s11250-021-02956-0
关键词
Seroprevalence; Antibodies; Rift Valley fever; One-humped camel; Abattoir
This study in Maiduguri abattoir, Borno State of Nigeria, found a 20.7% seroprevalence of Rift Valley fever in camels. There were no significant differences in antibody presence based on gender and presence of post-mortem lesion, but significant associations were found with age, source, and main utility of the camels. Regular monitoring and control of transboundary animal movements were recommended for the area.
Rift Valley fever (RVF) is an emerging mosquito-borne zoonosis that threatens public health and animal agriculture in the endemic areas causing devastating epizootics characterized by abortion storms and high mortalities, especially in newborn animals. A cross-sectional study was conducted to determine the seroprevalence and investigate risk factors associated with exposure to the virus in camels slaughtered in Maiduguri abattoir, Borno State of Nigeria. Camels presented for slaughtered were sampled and data on age, sex, source or origin, utility, presence of post-mortem lesions, body weights and body condition score were collected. Blood samples were collected and sera were harvested and stored at - 20 degrees C until tested. The sera were tested using a commercial ELISA kit based on the manufacturer's instructions. The overall seroprevalence in the study was 20.7% (95% CI, 13.6-30.0). The analysis showed no significant differences between the presence of antibodies and variables that included the sex of camels (chi(2) = 0.015, df = 1, p = 0.904) and the presence of post-mortem lesion on the carcass (chi(2) = 0.009, df = 1, p = 0.925). There were significant differences between presence of antibodies and three variables that included the age (chi(2) = 4.89, df = 1, p = 0.027), the source (chi(2) = 7.077, df = 2, p = 0.029) and the main utility (chi(2) = 8.057, df = 3, p = 0.045) of the camels. It was concluded that camels presented for slaughter at the Maiduguri abattoir have evidence of exposure to the RVF virus and maybe means of transmission of the virus. Regular monitoring and control of transboundary animal movements were recommended in the study area.
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