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Zoonotic parasites in feces and fur of stray and private dogs from Italy

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Abstract

The present study evaluated the occurrence of zoonotic parasites in feces and on fur of stray and private dogs living in Italy. Individual fecal samples collected from 117 and 385 kenneled (i.e., rescue shelter) and privately owned dogs, respectively, were examined by conventional copromicroscopy. Samples positive for Giardia duodenalis and Cryptosporidium spp. were subjected to further genetic characterization. Additionally, 174 fur samples of private and kenneled dogs living in the same area, 27 of which were also subjected to copromicroscopical examinations, were examined for the presence and viability of parasite elements. Out of 502 fecal samples, forty-one (8.2 %) scored positive for G. duodenalis cysts while one (0.2 %) for Cryptosporidium oocysts. Nine private dogs were molecularly positive for G. duodenalis assemblage C (n. 7), assemblage D (n. 1), and assemblages C + D (n. 1), while 11 kenneled dogs were positive for assemblage C (n. 8), assemblage D (n. 1), and assemblages C + D (n. 2). Cryptosporidium spp. were identified as C. canis in a private dog. One hundred and seventy-two dogs (34.3 %), i.e., 92 private and 80 kenneled, were positive for zoonotic nematodes: Toxocara canis (6.6 %), Ancylostoma caninum (6.8 %), and Capillaria aerophila (0.6 %). Unviable eggs of Toxocara spp. were found on the hair of five (2.9 %) private dogs. The present findings indicate that canine feces from both private and kenneled animals may contain zoonotic parasites and may be a potential risk for humans and other animals, especially when they contaminate the environment. The role of dog fur as source of human infections should be further investigated.

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Authors and Affiliations

  1. Faculty of Veterinary Medicine, University of Teramo, Piazza A. Moro, 45, 64100, Teramo, Italy

    Barbara Paoletti, Donato Traversa, Raffaella Iorio, Alberto De Berardinis, Roberto Bartolini & Angela Di Cesare

  2. Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise ‘G. Caporale’, Campo Boario, 64100, Teramo, Italy

    Romolo Salini

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  1. Barbara Paoletti
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  2. Donato Traversa
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  3. Raffaella Iorio
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  5. Roberto Bartolini
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  6. Romolo Salini
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  7. Angela Di Cesare
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Correspondence to Angela Di Cesare.

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Paoletti, B., Traversa, D., Iorio, R. et al. Zoonotic parasites in feces and fur of stray and private dogs from Italy. Parasitol Res 114, 2135–2141 (2015). https://doi.org/10.1007/s00436-015-4402-6

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