Frequência de parasitos intestinais em cães domiciliados da cidade de Maringá, PR / Frequency of intestinal parasites in domiciled dogs from Maringá city, Brazil

The frequency of eggs and cysts of intestinal parasites in domiciled dogs that lived in the city of Maringá, Brazil, was studied. From November 2006 to November 2007, stools of 81 dogs were examined, of which 44.4% were positive for some kind of enteric parasite. The most frequent was Ancylostoma spp. with 18.5% (15/81) followed by Giardia lamblia with 11.1% (9/81). There was association of parasites in 11.0% of the samples, being the most frequent Ancylostoma spp. and Trichuris vulpis (6.2%) (5/81). There were sources of contamination where the animals lived which were responsible for maintaining the parasite in the environment.