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The prevalence of intestinal nematodes in cats and dogs from Lancashire, north-west England.

OBJECTIVES
To estimate prevalence of clinically-relevant intestinal nematodes in UK cats and dogs using the sensitive faecal analysis technique FLOTAC.


METHODS
Faecal samples were collected from 171 domestic dogs and 131 domestic cats living in urban areas of Lancashire and examined for the ova of intestinal parasites using the FLOTAC technique. All tested individuals were at least 6 months old, had not been treated with anthelmintics since 6 months of age nor in the 3 weeks prior to testing.


RESULTS
In total, 5·3% of dogs (9/171) were positive for Toxocara canis; of these, 5/9 had <100 T. canis epg. Two dogs were positive for Uncinaria stenocephala, and 3 were positive for Strongyloides species. Single animals had Ancylostoma species and Spirocerca lupi infection. All egg counts were <100 epg. 26% of cats (34/131) were infected with Toxocara cati; of these, 6/34 had <100 T. cati epg. Two cats were positive for Strongyloides species, four for Ancylostoma species and single case for U. stenocephala, Toxascaris leonina and S. lupi.


CLINICAL SIGNIFICANCE
The high prevalence and zoonotic potential of Toxocara species in cats and dogs suggests the need for greater awareness of the need for repeated treatment. The discovery of S. lupi warrants further investigation and awareness of the clinical signs that this parasite may cause in cats and dogs.