Animals as Sentinels of Environmental Health Hazards by National Research Council, Division on Earth and Life

By National Research Council, Division on Earth and Life Studies, Commission on Life Sciences, Board on Environmental Studies and Toxicology, Committee on Animals as Monitors of Environmental Hazards

Learning animals within the atmosphere could be a reasonable and hugely priceless method of picking unknown chemical contaminants prior to they reason human damage. "Animals as Sentinels of Environmental future health dangers" provides an summary of animal-monitoring courses, together with distinctive case reviews of ways animal illnesses - similar to the consequences of DDT on wild fowl populations - have led researchers to the assets of human healthiness dangers. The authors research the parts and features required for an efficient animal-monitoring software, they usually overview various present courses, together with in situ learn, the place an animal is put in a ordinary environment for tracking reasons.

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Exposure or effect), the types of animals used, the environment in question, or whether the animals are in their natural habitat (observational systems) or are purposely placed in an environment in question (experimental or in situ systems). Sentinel systems may be designed to reveal environmental contamination, to monitor contamination of the food chain, or to investigate the bioavailability of contaminants from environmental media; these types of systems can be designed to facilitate assessment of human exposure to environmental contaminants.

Please use the print version of this publication as the authoritative version for attribution. CONCEPTS AND DEFINITIONS 33 2 Concepts and Definitions CHARACTERISTICS OF ANIMAL SENTINEL SYSTEMS The biologic effects of suspected toxic substances in animals can be evaluated while the animals remain in their natural habitat, such as a field, farm, body of water, or human home. Such settings offer an opportunity to assess the intensity of exposures, measure the effects of chemical mixtures, and determine results of low-level exposures over a long period.

Like humans, animals are exposed to contaminants in air, soil, water, and food, and they can suffer acute and chronic health effects from those exposures. In some circumstances, animal sentinel systems can provide data more quickly and less expensively than laboratory-based animal experiments. CURRENT USE OF ANIMAL SENTINELS IN RISK ASSESSMENT Animal sentinel systems can provide data to clarify the human health risks posed by environmental contaminants. , 1955; Bailey and Groth, 1959 References About this PDF file: This new digital representation of the original work has been recomposed from XML files created from the original paper book, not from the original typesetting files.

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