Sentinel Species and Environmental Pollutants Exposure in Animal Health

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Ecology and Conservation".

Deadline for manuscript submissions: 15 March 2025 | Viewed by 1035

Special Issue Editors


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Guest Editor
Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy
Interests: environmentals toxicology; inorganic and organic contaminants; toxicological residues; food safety
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Veterinary Pharmacology and Toxicology, Department of Health Sciences, “Magna Graecia” University of Catanzaro, Catanzaro, Italy
Interests: sentinel species; bio-indicators; inorganic and organic contaminats; environmental pollution; animals health status
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Environmental pollution represents a serious risk for human, animal and ecosystem. Although the significant advance in toxicological field and eco-friendy approaches, the anthropic activities are responsible of a continuos and incraesed diffusion of inorganic and organic contaminats (heavy metals, polycyclic aromatic hydrocarbs, PCB, pesticides, drugs, plastifing, microplastics, etc.). Therefore, a great attention is attually focused on both old and new emerging contaminats. In the studies on pollutants exposure and risk assessment, the animal species are often used as sentinels and valid bio-indicators to evaluate the environmetal pollution and, at the same time, animals health status, in consideration of their habitat. A significant contribution is given by the use of animals at the top of acquatic and terrestrial food chain, particularly predatory fishes, marine mammalians, wild species, birds, insects and, recently, companion animals as sentinel of public health. This Special Issue welcome new methodologies and research on these topics, ecotoxicological approach of analysis, risk assessment for both environment and animals health, the current state of knowledge and future directions of research in this field.

We invite contributors from the academia and education to publish all types of manuscripts, original article, short communication, high-quality reviews, case-report from several fields and disciplines (toxicology, veterinary sciences, animal welfare, analytical chemistry, ecology, environmental sciences, etc).

Dr. Clara Naccari
Dr. Ernesto Palma
Guest Editors

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Keywords

  • sentinel species
  • bio-indicators
  • inorganic and organic contaminats
  • environmental pollution
  • animals health status

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Published Papers (1 paper)

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Research

14 pages, 1155 KiB  
Article
The Bioaccumulation, Fractionation and Health Risk of Rare Earth Elements in Wild Fish of Guangzhou City, China
by Xiongyi Miao, Xueqin Wei, Xiqian Zhao, Yupei Hao and Wei Bao
Animals 2024, 14(24), 3567; https://doi.org/10.3390/ani14243567 - 10 Dec 2024
Viewed by 625
Abstract
In this study, the total content of REEs ranged from 1.32 to 67.74 μg/kg, with a predominant presence of light REEs. The ΔEu and ΔCe values, which exceeded and approached 1, respectively, indicated positive Eu anomalies and low Ce anomalies. Wild fish were [...] Read more.
In this study, the total content of REEs ranged from 1.32 to 67.74 μg/kg, with a predominant presence of light REEs. The ΔEu and ΔCe values, which exceeded and approached 1, respectively, indicated positive Eu anomalies and low Ce anomalies. Wild fish were categorized into high-, medium-, and low-REEs-bioaccumulation groups using cluster analysis. Higher LRs/HRs and ΔEu values, coupled with lower ΔCe values, in fish from the high-bioaccumulation group suggested that increased bioaccumulation mitigated fractionation. Omnivorous fish with higher REEs levels and lower LRs/HRs indicated broader feeding sources may enhance REE bioaccumulation and diminish fractionation. Elevated REEs concentrations and LRs/HRs in demersal fish highlighted a preferential accumulation of light REEs in the benthic environment. Smaller fish with higher REEs levels but lower LRs/HRs were likely associated with complex feeding sources. Regression analysis revealed that fish with lengths and weights of less than 18 cm and 130 g, respectively, were more susceptible to REEs bioaccumulation. Despite higher ADI values indicating a greater risk for children and Pelteobagrus fulvidraco, all ADI values within 70 μg/(kg·d) suggested that fish consumption poses no risk. This study confirmed that the fractionation of REEs in fish can be used to trace their bioconversion. Full article
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