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Year : 2020  |  Volume : 10  |  Issue : 2  |  Page : 114-119

Canine intestinal parasitic infections and soil contamination by Toxocara spp. in selected areas of Sri Lanka

1 Department of Medical Laboratory Science, Faculty of Allied Health Sciences, University of Peradeniya, Peradeniya, Sri Lanka
2 Department of Parasitology, Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka

Correspondence Address:
Lahiru Sandaruwan Galgamuwa
Department of Parasitology, Faculty of Medicine, University of Peradeniya, Peradeniya
Sri Lanka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/tp.TP_62_19

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Introduction: Contaminated environment with canine parasitic eggs is the main source for toxocariasis and other geohelminth infections of humans. This study aimed to determine the prevalence and associated risk factors for intestinal parasitic infections in dogs and the degree of soil contamination with Toxocara eggs in Kandy and Gampaha districts in Sri Lanka. Methods: A total of 188 fecal samples from both stray and domestic owned dogs from Gampaha district and Kandy district were collected. In addition, soil samples were collected from home gardens and public places. Hypochlorite recovery technique and zinc sulfate floatation method were used to concentrate eggs in soil samples. Results: The prevalence of intestinal parasitic infections of domestic and stray dogs in Gampaha district was 38.2% and 42.9%, respectively, while in Kandy district, it was 41.1% and 50%, respectively. Hookworms were the most common parasitic infection among domestic dogs (18.5%), while Toxocara spp. were the most common among stray dogs (17.2%). Intestinal parasitic infections were significantly more prevalent among female dogs than males. Age, deworming, immunization, immunization time, and living in rural areas were not significantly associated with intestinal parasitic infections in domestic dogs. A total of 4% and 4.5% soil samples were contaminated with Toxocara spp. eggs in Gampaha and Kandy districts, respectively. Conclusions: The higher prevalence of intestinal parasitic infections in dogs could be a major public health issue. Implementations of programs to improve the awareness of parasitic infections among pet owners and control strategies need to decrease the risk of infections to both animal and human health.

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