2022
DOI: 10.3390/ani12151979
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Microplastics in Internal Tissues of Companion Animals from Urban Environments

Abstract: Companion animals living in urban areas are exposed to environmental contaminants, which may include microplastics. A preliminary study was conducted by collecting postmortem samples from the internal tissue (lungs, ileum, liver, kidney, and blood clots) of 25 dogs (Canis familiaris) and 24 cats (Felis catus) living in an urban environment in Porto metropolitan area, Portugal. Suspected microplastics were found in 80 samples from 35 animals (18 cats and 17 dogs), often occurring in more than one tissue of the … Show more

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Cited by 29 publications
(17 citation statements)
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References 46 publications
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“…Another chironomid species, Chironomus tepperi, also incorporated PE-MPs with a strong tendency to agglomerate in the gut, which is visible using a stereo-microscope [ 7 ]. The smaller the microplastics’ size, the higher tendency to their accumulation (and translocation) within tissues [ 34 , 35 ]. Although no quantification is provided in this study, it is unquestionable the high amount present in their digestive tract that could (to some extent) induce sub-lethal effects, as discussed further.…”
Section: Resultsmentioning
confidence: 99%
“…Another chironomid species, Chironomus tepperi, also incorporated PE-MPs with a strong tendency to agglomerate in the gut, which is visible using a stereo-microscope [ 7 ]. The smaller the microplastics’ size, the higher tendency to their accumulation (and translocation) within tissues [ 34 , 35 ]. Although no quantification is provided in this study, it is unquestionable the high amount present in their digestive tract that could (to some extent) induce sub-lethal effects, as discussed further.…”
Section: Resultsmentioning
confidence: 99%
“…L'ingestion de sachets plastiques semblent être plus élevée dans des zones en pénurie de fourrage dues aux longues périodes de sécheresse et d'inondations (Berrie et al, 2015) et en saison sèche (Priyanka et Dey, 2018). De plus, le phénomène a été également notifié en milieu urbain dans des tissus internes d'autres espèces animales telles que le chien et le chat au Portugal (Prata et al, 2022). Ces animaux pourraient être exposés à travers l'eau de boisson ou l'aliment contaminé de microplastiques.…”
Section: Discussionunclassified
“…L'ingestion de sachets plastiques semblent être plus élevée dans des zones en pénurie de fourrage dues aux longues périodes de sécheresse et d'inondations (Berrie et al, 2015) et en saison sèche (Priyanka et Dey, 2018). De plus, le phénomène a été également notifié en milieu urbain dans les tissus internes d'autres espèces animales telles que le chien et le chat au Portugal (Prata et al, 2022). Des cas d'ingestion ont été signalés chez des ruminants sauvages en raison de la contamination de leur habitat par des déchets plastiques (Kumar et Dhar, 2013).…”
Section: Discussionunclassified