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Developmental toxicity of PFOS and PFOA in great cormorant (Phalacrocorax carbo sinensis), herring gull (Larus argentatus) and chicken (Gallus gallus domesticus)
Man-Technology-Environment Research Centre (MTM), School of Science and Technology, Örebro University, Örebro, Sweden.
Department of Environmental Science and Analytical Chemistry (ACES), Stockholm university, Stockholm, Sweden.
Örebro University, School of Science and Technology. (Man-Technology-Environment Research Centre (MTM))ORCID iD: 0000-0001-7338-2079
2016 (English)In: Environmental science and pollution research international, ISSN 0944-1344, E-ISSN 1614-7499, Vol. 23, no 11, 10855-10862 p.Article in journal (Refereed) Published
Abstract [en]

Perfluoroalkyl acids (PFAAs) are found globally in environmental samples and have been studied in various species. In this study, we compare the sensitivity of three avian species to the toxic effects of perfluorooctane sulfonate (PFOS) and perfluorooctanoate (PFOA). Eggs of great cormorant (Phalacrocorax carbo sinensis), herring gull (Larus argentatus) and the domestic White Leghorn chicken (Gallus gallus domesticus) were exposed in ovo by injection into the air sac. Effects on embryo survival were observed following exposure to PFOS and PFOA in chicken and herring gull. Chicken was found to be the most sensitive species with 50 % reduced embryo survival at 8.5 μg/g egg for PFOS and 2.5 μg/g egg for PFOA. Cormorant was shown to be the least sensitive species. The difference in sensitivity between chicken and herring gull was a factor of 2.7 for PFOS and 3.5 for PFOA. Between chicken and great cormorant, the sensitivity difference was 2.6 for PFOS and 8.2 for PFOA. Effects on embryo survival were seen at egg injection doses of PFOS close to levels found in environmental samples from wild birds, indicating that PFOS could be having effects in highly exposed populations of birds. This study also shows that there are differences in species sensitivity to PFOS and PFOA that should be taken into consideration in avian wildlife risk assessment.

Place, publisher, year, edition, pages
Heidelberg, Germany: Springer Berlin/Heidelberg, 2016. Vol. 23, no 11, 10855-10862 p.
Keyword [en]
PFOS, PFOA, chicken, herring gull, great cormorant, developmental toxicity
National Category
Biological Sciences Environmental Sciences
Research subject
Enviromental Science
Identifiers
URN: urn:nbn:se:oru:diva-50613DOI: 10.1007/s11356-016-6285-1ISI: 000377021500049PubMedID: 26895726Scopus ID: 2-s2.0-84958749415OAI: oai:DiVA.org:oru-50613DiVA: diva2:934361
Funder
Swedish Research Council Formas
Available from: 2016-06-08 Created: 2016-06-08 Last updated: 2017-10-18Bibliographically approved

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