Seroprevalence of Spotted Fever Group Rickettsiae in extensively managed sheep and goats in Nigeria, West Africa
2021
Nnabuife, Henry Ekene | Matur, Bernard | Ogo, Ndudim Isaac | Goselle, Obed | Dakul, Anthony | Egbuji, Anthony | Tekki, Ishaya Sini | Kamani, Joshua
Sheep and goats raised extensively are frequently infested by Ixodid ticks that may act as vectors or reservoirs of Spotted Fever Group Rickettsiae (SFGR). A study to determine the seroprevalence of SFGR infection in 300 sheep and goats in Plateau State, Nigeria was conducted from September to November, 2018 using the Indirect Fluorescence Antibody Test (IFAT). Overall, 85 out of 300 animals (28.3%) were seropositive to SFGR. Relatively higher seroprevalence was recorded in sheep than goats (28.8% vs 28.0%) but the difference was not statistically significant (p > 0.05). Furthermore, seropositivity was not affected by age, sex or location of the animals screened in this study. This is the first serological study to report the prevalence of SFGR in sheep and goats using IFAT in this study area. The presence of SFGR antibodies in domestic ruminants is of public health concern considering the close association between farmers and their animals occasioned by the management system practiced in the study area. This finding calls for further studies to evaluate the level of human exposure to this group of pathogen.
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