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Contamination of Italian parks with canine helminth eggs and health risk perception of the public

Preventive Veterinary Medicine, ISSN: 0167-5877, Vol: 172, Page: 104788
2019
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Article Description

The contamination of public areas by dog faeces is a social behaviour and public health problem. In fact, the most frequently isolated intestinal helminths in dogs are distributed worldwide, and most of them have zoonotic potential (i.e., ascarids and ancylostomatids). The aims of this survey were to evaluate citizen awareness of health risks for animals and humans related to canine faecal pollution and to estimate the presence and prevalence of intestinal helminths in dog faeces collected in green public areas in three municipalities of Italy (Padua, Rome and Teramo). The awareness of citizens about the health risks related to faecal pollution was evaluated using questionnaires submitted to 313 dog owners and 159 non-dog owners in Padua (n = 341) and Rome (n = 131). Most dog owners (85.4%) declared they picked up their dog’s faeces every time, and these data were confirmed by operators secretly observing dog owners. Moreover, 84.3% participants were aware of the existence of a municipal regulation concerning the correct management of animals in public areas with no significant differences between dog owners and non-dog owners, whereas Rome citizens were significantly more aware than Padua citizens. Nonetheless, only 10.9% (51/469) of responders knew the health risks related to canine faecal pollution, with no significant differences between dog and non-dog owners. A total of 677 dog stool samples were collected and copromicroscopically analysed. Forty-eight (7.1%) samples were positive for at least one parasite species, with significantly lower prevalence values in Padua (2.2%) than in Rome (11.9%) and Teramo (8.6%). The highest prevalence was detected for Trichuris vulpis (4.4%), followed by Toxocara canis (1.9%); T. vulpis presented significantly lower prevalence in Padua than in the other cities. Other helminths were found with values under 0.5% in the investigated cities. This survey shows that most citizens are unaware of the health risk related to abandoned canine faeces on public soils. Nevertheless, laboratory results suggest a limited risk for dog and human health, but the zoonotic risk due to the high vitality of infective helminths eggs in the soil should always be considered.

Bibliographic Details

Simonato, Giulia; Cassini, Rudi; Morelli, Simone; Di Cesare, Angela; La Torre, Francesco; Marcer, Federica; Traversa, Donato; Pietrobelli, Mario; Frangipane di Regalbono, Antonio

Elsevier BV

Veterinary; Agricultural and Biological Sciences

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