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Gastrointestinal parasites of dogs in Hantana area in the Kandy District

Authors:

PK Perera,

LK
About PK

Department of Zoology, Faculty of Science, University of Peradeniya, Peradeniya.

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RPVJ Rajapakse,

LK
About RPVJ
Department of Veterinary Pathobiology, Faculty of Veterinary Medicine and Animal Sciences, University of Peradeniya, Peradeniya.
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RS Rajakaruna

LK
About RS

Department of Zoology, Faculty of Science, University of Peradeniya, Peradeniya.

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Abstract

Gastrointestinal parasites cause serious illness in dogs, and some of these infections are zoonoses. Faecal samples were collected from domestic, semi-domestic and stray dogs in Hantana area to determine the prevalence, intensity and types of gastrointestinal (GI) parasites. The samples were processed by modified salt floatation, Sheather’s sucrose floatation and direct iodine mounts followed by morphological identification. Of the 90 dogs examined, 81 (90.0 %) were infected with one or more GI parasites. Mixed infections were more common (72.8 %) than single infections (27.2 %). Although there was no significant difference in the prevalence of infections among the three dog categories (chi square, p > 0.05), less intensity of infections and a fewer number of parasite species were found in domestic dogs. Of the 13 parasite species found, 11 were zoonotic, Ancylostoma sp., being the most prevalent (73.3 %) followed by Toxocara canis (27.8 %) and Spirocerca lupi (22.2 %). The other zoonotic species recorded were Entamoeba sp., Toxascaris sp., Trichuris vulpis, Blastocystis sp., Strongyloides sp., Isospora sp., Capillaria aerophyla and Giardia sp., thus the prevalence of zoonotic infections in the dog population poses a threat to the people living in Hantana area. Although Toxascaris leonina was previously recorded in leopards in Kandy, this was the first record of Toxascaris sp. from dogs in Sri Lanka. The fewer helminth infections and species diversity in domestic dogs can be due to the use of broad scale antihelminthics. Regular deworming with specific antihelminthics and anti-protozoan treatments after faecal examinations should be carried out. Of the three methods used, floatation method was more reliable in recovering eggs and cysts of helminths while iodine smears were effective against protozoans. However, using a combination of methods increased the likelihood of diagnosing as many parasites as possible.

DOI: http://dx.doi.org/10.4038/jnsfsr.v41i2.5703

J.Natn.Sci.Foundation Sri Lanka 2013 41(2):81-91

How to Cite: Perera, P., Rajapakse, R. and Rajakaruna, R., 2013. Gastrointestinal parasites of dogs in Hantana area in the Kandy District. Journal of the National Science Foundation of Sri Lanka, 41(2), pp.81–91. DOI: http://doi.org/10.4038/jnsfsr.v41i2.5703
Published on 26 Jun 2013.
Peer Reviewed

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