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Prevalence of potentially zoonotic gastrointestinal parasites in canine faeces in Ibadan, Nigeria

Adekunle B. Ayinmode
Oluwasola O. Obebe
Ebenezer Olayemi


Background: Humans can get infected through direct or indirect contact with infective stages of zoonotic parasites shed to the environment through dog faeces.

Objectives: This study was designed to investigate the presence of gastrointestinal parasites present in dog faeces shed on the street of Ibadan metropolis, one of the largest cities in Africa.

Methods: Twenty-three locations were randomly selected using grid-sampling method. A total of 203 faecal samples collected from the streets of selected areas were processed for detection of helminth eggs and protozoan oocysts using flotation technique. Eggs/oocysts per gram of faeces was counted using modified McMaster technique.

Results: The prevalence of gastrointestinal parasites was 43.3% (88/203). Single and multiple infections were 69 (78.4%) and 19 (21.6%) respectively. The parasites detected were Ancylostoma sp. 24.6% (50/88) Isospora sp. 14.2% (29/88), Toxocara sp. 9.8% (20/88), Uncinaria sp. 2.5% (5/88) and Strongyloides sp, 3.9% (8/88). Ancylostoma sp. (320 x 102 epg) and Uncinaria sp. (5 x 102 epg) had the highest and least intensity respectively. Streets within residential areas having markets had the highest number of positive samples. All the genera of parasites detected in this study have zoonotic potential.

Conclusion: The high prevalence of zoonotic parasites detected in dog faeces from Ibadan metropolis showed that infected stray dogs roam the streets and constitute potential risk to human health. This study suggests the need for enforcement of laws restraining roaming or straying dogs and proper veterinary care of dogs.

Funding: None declared

Keywords: Dog, Faeces, Gastrointestinal Parasites, Nigeria, Zoonoses