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Metais pesados e flúor em tecidos de bovinos recebendo superfosfato triplo

By: Contributor(s): Material type: ArticleArticleLanguage: Portuguese Description: p. 479-483Subject(s): LOC classification:
  • S 912 .B5
 In: In: Pereira, Roberto Carvalho; Nasser, Luiz Carlos Bhering (eds.). Simpósio sobre o Cerrado; International Symposium on Tropical Savannas (8, 1, Brasília, Brasil). Biodiversidade e produçao sustentável de alimentos e fibras nos Cerrados: Anais = Biodiversity and sustainable production of food and fibers in the tropical savannas: ProceedingsSummary: A trial was carried out to investigate the effects of supplementation of Brazilian triple superphosphate (monocalcium phosphate) fertilizer grade, manufactured from Tapira rock phosphate, and Dicalcium phosphate (DICAL) to beef cattle, from weaning to slaughter, in F deposition in bones and As, Cd, Hg and Pb levels in meat, liver and kidney. Eighty calves were assigned to four treatments: (1): 100 percent DICAL; (2): 50 percent DICAL + 50 percent triple superphosphate (TSP); (3): 33 percent DICAL + 67 percent TSP e (4): 100 percent TSP. At the end of the trial, average F levels in bone were 417, 438, 558 and 741 ppm, for the treatments 1, 2, 3 and 4, respectively. There were no differences between DICAL and TSP in relation to animal performance and carcass weight. Arsenic, Cd, Hg and Pb levels in meat, liver and kidney at the end of the trial were extremely low and far below of the safety limits for human and animal feeding
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A trial was carried out to investigate the effects of supplementation of Brazilian triple superphosphate (monocalcium phosphate) fertilizer grade, manufactured from Tapira rock phosphate, and Dicalcium phosphate (DICAL) to beef cattle, from weaning to slaughter, in F deposition in bones and As, Cd, Hg and Pb levels in meat, liver and kidney. Eighty calves were assigned to four treatments: (1): 100 percent DICAL; (2): 50 percent DICAL + 50 percent triple superphosphate (TSP); (3): 33 percent DICAL + 67 percent TSP e (4): 100 percent TSP. At the end of the trial, average F levels in bone were 417, 438, 558 and 741 ppm, for the treatments 1, 2, 3 and 4, respectively. There were no differences between DICAL and TSP in relation to animal performance and carcass weight. Arsenic, Cd, Hg and Pb levels in meat, liver and kidney at the end of the trial were extremely low and far below of the safety limits for human and animal feeding eng

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