The presence of residues of tetracycline, quinolones and antiparasitic drugs was investigated in wild fish captured around salmon aquaculture pens in Cochamó, Region X, Chile. Residues of both antibiotics were found in the meta [corrected] of two species of wild fish that are consumed by humans, robalo (Elginops maclovinus) and cabrilla (Sebastes capensis) [corrected] These findings suggest that the antibiotic usage in salmon aquaculture in Chile has nvironmental implications that may affect human and animal health. More studies are needed in Chile to determine the relevance of these findings for human and animal health and the environment to regulate this use of antibiotics.
The world is experiencing an increase in emergent infections as a result of anthropogenic changes of the biosphere and globalization. Global warming, unrestricted exploitation of natural resources such as forests and fisheries, urbanization, human migration, and industrialization of animal husbandry cause environmental destruction and fragmentation. These changes of the biosphere favor local emergence of zoonoses from their natural biotopes and their interaction with domestic animals and human populations. Subsequently, international commerce, human and animal migration and travel, favor the dissemination of these zoonotic pathogens worldwide. Chile is undergoing an important degradation of many wildlife biotopes, affecting their diversity and contributing to the dissemination of zoonoses such as Chagas disease, Hantavirus, rabies, fish tapeworms, and marine vibriosis. Moreover, agents of many other zoonoses such as leptospirosis, hydatidosis, salmonellosis, rabies, brucellosis and anthrax have been detected in different wildlife environments in the country. The intensification and accelerations of the anthropogenic deterioration of the biosphere in Chile, as results of the unrestricted utilization of natural resources and global climate change, suggests that emergence of new zoonoses in the near future will lead to important public health and economic problems. Forestalling of these problems will require active epidemiological surveillance of wild and domestic animals with a wide range of modern molecular and ancillary epidemiological tools. This also demands government and private sector (i.e., animal husbandry) intervention, funding and the collaboration of professionals in human and veterinary medicine with those in the environmental sciences including ecology,
There is interest in the paradigm that relates environmental sea changes to the emergence of diseases that affect both aquatic organisms in the sea (Rev Méd Chile 2005; 133: 1081-88).
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