A follow-up study of lead absorption in cows as an indicator of environmental lead pollution

Lead absorption in cows grazing in the vicinity of a lead smelter and in a control area was documented in 1976, 1982, 1984, and 1988. High blood Pb levels and erythrocyte protoporphyrin were found in animals exposed to smelter emissions prior to the installation of a flue-gas cleaning system in 1978...

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Veröffentlicht in:	Bulletin of environmental contamination and toxicology 1990-07, Vol.45 (1), p.19-24
Hauptverfasser:	Prpic-Majic, D. (University of Zagreb, Zagreb, Yugoslavia), Karacic, V, Skender, L
Format:	Artikel
Sprache:	eng
Schlagworte:	560300 - Chemicals Metabolism & Toxicology ABSORCION ABSORPTION ABSORPTION SPECTROSCOPY AIR POLLUTION AMINO ACIDS AMINOLEVULINIC ACID Animal, plant and microbial ecology ANIMALS Applied ecology Biological and medical sciences BIOLOGICAL INDICATORS BOVIN CARBOXYLIC ACIDS CATTLE Cattle - metabolism CLEANING CONTAMINACION COWS Data Interpretation, Statistical DOMESTIC ANIMALS Ecotoxicology, biological effects of pollution Effects of pollution and side effects of pesticides on vertebrates Environmental Monitoring - methods ENZYME ACTIVITY ENZYMES Erythrocytes - enzymology Erythrocytes - metabolism Female FILTERS FILTRE FILTROS Follow-Up Studies Fundamental and applied biological sciences. Psychology GANADO BOVINO GRAZING HETEROCYCLIC ACIDS HETEROCYCLIC COMPOUNDS Intestinal Absorption LEAD Lead - blood Lead - pharmacokinetics LEAD COMPOUNDS LIMPIEZA Mammalia MAMMALS NETTOYAGE ORGANIC ACIDS ORGANIC COMPOUNDS ORGANIC NITROGEN COMPOUNDS OXIDOREDUCTASES PLOMB PLOMO POLLUTION Porphobilinogen Synthase - blood PORPHYRINS Protoporphyrins - blood RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT RUMINANTS SEASONAL VARIATIONS SMELTERS SPECTROSCOPY VARIATIONS VERTEBRATES
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Zusammenfassung:	Lead absorption in cows grazing in the vicinity of a lead smelter and in a control area was documented in 1976, 1982, 1984, and 1988. High blood Pb levels and erythrocyte protoporphyrin were found in animals exposed to smelter emissions prior to the installation of a flue-gas cleaning system in 1978; depressed erythrocyte amino-levulinic acid dehydratase (ALAD) levels were also noted. The highly significant difference in blood Pb and ALAD between control and exposed cows was evident 10 yr after the introduction of emission controls, indicating that the process of normalization in cows is slow.
ISSN:	0007-4861 1432-0800
DOI:	10.1007/BF01701823