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de Solla SR, King LE, Gilroy ÈAM. Environmental exposure to non-steroidal anti-inflammatory drugs and potential contribution to eggshell thinning in birds. ENVIRONMENT INTERNATIONAL 2023; 171:107638. [PMID: 36542999 DOI: 10.1016/j.envint.2022.107638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 10/17/2022] [Accepted: 11/14/2022] [Indexed: 06/17/2023]
Abstract
Abnormally thin eggshells can reduce avian reproductive success, and have caused rapid population declines. The best known examples of this phenomenon are the widespread population crashes in birds, mostly raptors, fish eating birds, and scavengers, caused by the pesticide DDT and its isomers in the 1960s. A variety of other chemicals have been reported to cause eggshell thinning. Non-steroidal anti-inflammatory drugs (NSAIDs), which are extensively and increasingly used in human and veterinary medicine, may be one particularly concerning group of chemicals that demonstrate an ability to impair eggshell development, based both on laboratory studies and on their known mechanism of action. In this review, we outline environmental and wildlife exposure to NSAIDs, describe the process of eggshell formation, and discuss pathways affected by NSAIDs. We list pharmaceuticals, including NSAIDs, and other compounds demonstrated to reduce eggshell thickness, and highlight their main mechanisms of action. Dosing studies empirically demonstrated that NSAIDs reduce eggshell thickness through cyclooxygenase inhibition, which suppresses prostaglandin synthesis and reduces the calcium available for the mineralization of eggshell. Using the US EPA's CompTox Chemicals Dashboard, we show that NSAIDs are predicted to strongly inhibit cyclooxygenases. NSAIDs have been observed both in the putative diet of scavenging birds, and we report examples of NSAIDs detected in eggs or tissues of wild and captive Old World vultures. We suggest that NSAIDs in the environment represent a hazard that could impair reproduction in wild birds.
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Affiliation(s)
- Shane R de Solla
- Ecotoxicology and Wildlife Health Division, Environment and Climate Change Canada, 867 Lakeshore Road, Burlington, ON L7S 1A1, Canada.
| | - Laura E King
- Ecotoxicology and Wildlife Health Division, Environment and Climate Change Canada, 867 Lakeshore Road, Burlington, ON L7S 1A1, Canada
| | - Ève A M Gilroy
- Aquatic Contaminants Research Division, Environment and Climate Change Canada, 867 Lakeshore Road, Burlington, ON L7S 1A1, Canada
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Moreau J, Rabdeau J, Badenhausser I, Giraudeau M, Sepp T, Crépin M, Gaffard A, Bretagnolle V, Monceau K. Pesticide impacts on avian species with special reference to farmland birds: a review. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:790. [PMID: 36107257 DOI: 10.1007/s10661-022-10394-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 08/12/2022] [Indexed: 06/15/2023]
Abstract
For decades, we have observed a major biodiversity crisis impacting all taxa. Avian species have been particularly well monitored over the long term, documenting their declines. In particular, farmland birds are decreasing worldwide, but the contribution of pesticides to their decline remains controversial. Most studies addressing the effects of agrochemicals are limited to their assessment under controlled laboratory conditions, the determination of lethal dose 50 (LD50) values and testing in a few species, most belonging to Galliformes. They often ignore the high interspecies variability in sensitivity, delayed sublethal effects on the physiology, behaviour and life-history traits of individuals and their consequences at the population and community levels. Most importantly, they have entirely neglected to test for the multiple exposure pathways to which individuals are subjected in the field (cocktail effects). The present review aims to provide a comprehensive overview for ecologists, evolutionary ecologists and conservationists. We aimed to compile the literature on the effects of pesticides on bird physiology, behaviour and life-history traits, collecting evidence from model and wild species and from field and lab experiments to highlight the gaps that remain to be filled. We show how subtle nonlethal exposure might be pernicious, with major consequences for bird populations and communities. We finally propose several prospective guidelines for future studies that may be considered to meet urgent needs.
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Affiliation(s)
- Jérôme Moreau
- Équipe Écologie Évolutive, UMR CNRS 6282 Biogéosciences, Université Bourgogne Franche-Comté, Dijon, France
- UMR CNRS 7372 Centre d'Études Biologiques de Chizé, La Rochelle Université, 79360, Villiers-en-Bois, France
| | - Juliette Rabdeau
- UMR CNRS 7372 Centre d'Études Biologiques de Chizé, La Rochelle Université, 79360, Villiers-en-Bois, France
| | - Isabelle Badenhausser
- Unité de Recherche Pluridisciplinaire Prairies Plantes Fourragères, INRAE, 86600, Lusignan, France
| | - Mathieu Giraudeau
- UMR IRD, CREEC, Université de Montpellier, 224-CNRS 5290, Montpellier, France
- Centre de Recherche en Écologie Et Évolution de La Sante (CREES), Montpellier, France
- Littoral Environnement Et Sociétés (LIENSs), UMR 7266, CNRS- La Rochelle Université, La Rochelle, France
| | - Tuul Sepp
- Department of Zoology, University of Tartu, Tartu, Estonia
| | - Malaury Crépin
- UMR CNRS 7372 Centre d'Études Biologiques de Chizé, La Rochelle Université, 79360, Villiers-en-Bois, France
| | - Agathe Gaffard
- UMR CNRS 7372 Centre d'Études Biologiques de Chizé, La Rochelle Université, 79360, Villiers-en-Bois, France
| | - Vincent Bretagnolle
- UMR CNRS 7372 Centre d'Études Biologiques de Chizé, La Rochelle Université, 79360, Villiers-en-Bois, France
- LTSER "Zone Atelier Plaine & Val de Sèvre", CNRS, 79360, Villiers-en-Bois, France
| | - Karine Monceau
- UMR CNRS 7372 Centre d'Études Biologiques de Chizé, La Rochelle Université, 79360, Villiers-en-Bois, France.
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Iramain MA, Castillo MV, Davies L, Manzur ME, Brandán SA. Structural and SQMFF study of potent insecticide 4′,4′-DDT combining the FT-IR and FT-Raman spectra with DFT calculations. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.126964] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Steyn L, Hoffman J, Bouwman H, Maina AW, Maina JN. Bone density and asymmetry are not related to DDT in House Sparrows: Insights from micro-focus X-ray computed tomography. CHEMOSPHERE 2018; 212:734-743. [PMID: 30179838 DOI: 10.1016/j.chemosphere.2018.08.119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 08/09/2018] [Accepted: 08/23/2018] [Indexed: 06/08/2023]
Abstract
In organisms, DDT (Dichlorodiphenyltrichloroethane) and its metabolites, DDE (Dichlorodiphenyldichloroethylene) and DDD (Dichlorobischlorophenylethane) are endocrine mimics. They can influence bone density and other bone structural features. This study was conducted on House Sparrows (Passer domesticus) caught from the Free State - and the Limpopo Provinces of South Africa (SA). The sites were chosen based on spraying patterns of DDT for malaria control or non-spraying. The bone mineral densities of the femurs as well as the lengths of the left- and right leg bones were determined using micro-focus X-ray computed tomography (μ-XCT). The concentrations of DDT and its metabolites in the liver were determined with gas-chromatography mass-spectrometry to provide baseline concentrations of DDT in the body, allowing comparison of the various groups of birds. There was no asymmetry between the lengths of the bones of the left- and the right legs. DDT concentrations in the liver did not correlate with bone lengths. In addition, there were no significant differences between the relative densities of the left- and right leg bones with increase of concentrations of DDT. The concentrations of DDT and its metabolites did not have a significant effect on the measured bone parameters of House Sparrows. It is possible that the concentrations of DDT and its metabolites in the environments were too low to be injurious to the birds and/or tolerance to the insecticide has developed in the birds over more than six decades of almost continuous application of DDT.
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Affiliation(s)
- L Steyn
- Department of Zoology, University of Johannesburg, Auckland Park, 2006, South Africa.
| | - J Hoffman
- Department of Radiation Science, South African Nuclear Energy Corporation, (Necsa), Pelindaba, Pretoria, South Africa
| | - H Bouwman
- Research Unit, Environmental Sciences and Management, North-West University, Potchefstroom, 2520, South Africa
| | - A W Maina
- Department of Orthopaedic Surgery, Department of Surgery, University of the Witwatersrand, Parktown, Johannesburg, South Africa; Consultant Orthopaedic Surgeon, Department of Orthopaedic Surgery, Department of Surgery, Charlotte Maxeke Johannesburg Academic Hospital Parktown, Johannesburg, South Africa
| | - J N Maina
- Department of Zoology, University of Johannesburg, Auckland Park, 2006, South Africa
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