Effect of varied dietary levels and forms of mercury on swine
Journal Article
·
· J. Anim. Sci.; (United States)
OSTI ID:5720414
Mercury in the organic form (Methylmercuric Chloride-CH/sub 3/HgCl) or in the inorganic form (Mercuric Chloride-HgCl/sub 2/) was mixed into a basal ration and fed to groups of pigs in the following concentrations: .5, 5.0 and 50.0 parts per million (ppm). The pigs fed 50 ppm methylmercuric chloride in the ration displayed characteristic clinical signs of mercury toxicosis, with recumbency and death. Gross lesions were seen in the pigs fed all levels of organic mercury but only in the pigs fed 50 ppm level of the inorganic form of mercury. Gross necropsy examinations were made on all slaughtered animals. Various tissue samples were removed and the levels of total mercury were assayed. Mercury in the organic form in the diets fed to swine at the same level as mercury in the inorganic form resulted in higher (P < .01) tissue levels of mercury. Tissue levels of mercury in the pigs fed raw fish were lower than expected. The possibility that selenium (Se) and other substances which may have been present in raw fish and which may have contributed to a reduction in mercurial toxicity is discussed. 20 references, 4 tables.
- Research Organization:
- Univ. of Hawaii, Honolulu
- OSTI ID:
- 5720414
- Journal Information:
- J. Anim. Sci.; (United States), Journal Name: J. Anim. Sci.; (United States) Vol. 45:2; ISSN JANSA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560305* -- Chemicals Metabolism & Toxicology-- Vertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMALS
BIOLOGICAL ACCUMULATION
BIOLOGICAL EFFECTS
CHLORIDES
CHLORINE COMPOUNDS
COMPARATIVE EVALUATIONS
DISTRIBUTION
DOMESTIC ANIMALS
DOSE-RESPONSE RELATIONSHIPS
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
INGESTION
INHIBITION
INTAKE
MAMMALS
MERCURY CHLORIDES
MERCURY COMPOUNDS
MERCURY HALIDES
METHYLMERCURY
ORGANIC COMPOUNDS
ORGANIC MERCURY COMPOUNDS
PATHOLOGICAL CHANGES
RESPONSE MODIFYING FACTORS
SELENIUM
SEMIMETALS
SWINE
SYMPTOMS
TISSUE DISTRIBUTION
TOXICITY
VERTEBRATES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMALS
BIOLOGICAL ACCUMULATION
BIOLOGICAL EFFECTS
CHLORIDES
CHLORINE COMPOUNDS
COMPARATIVE EVALUATIONS
DISTRIBUTION
DOMESTIC ANIMALS
DOSE-RESPONSE RELATIONSHIPS
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
INGESTION
INHIBITION
INTAKE
MAMMALS
MERCURY CHLORIDES
MERCURY COMPOUNDS
MERCURY HALIDES
METHYLMERCURY
ORGANIC COMPOUNDS
ORGANIC MERCURY COMPOUNDS
PATHOLOGICAL CHANGES
RESPONSE MODIFYING FACTORS
SELENIUM
SEMIMETALS
SWINE
SYMPTOMS
TISSUE DISTRIBUTION
TOXICITY
VERTEBRATES