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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)
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
Number of Authors: 3
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 mu g/g egg for PFOS and 2.5 mu g/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
2016. Vol. 23, no 11, 10855-10862 p.
Keyword [en]
PFOS, PFOA, Chicken, Herring gull, Great cormorant, Developmental toxicity
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:su:diva-131926DOI: 10.1007/s11356-016-6285-1ISI: 000377021500049PubMedID: 26895726OAI: oai:DiVA.org:su-131926DiVA: diva2:946928
Available from: 2016-07-06 Created: 2016-07-04 Last updated: 2016-07-06Bibliographically approved

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