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  <controlfield tag="003">BR-BrBNA</controlfield>
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  <controlfield tag="008">250120b2016    bl.|r|pooa||| 00| 0 por |</controlfield>
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    <subfield code="a">Antonelli, A.C. </subfield>
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    <subfield code="a">Barr&#xEA;to J&#xFA;nior, R.A. </subfield>
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    <subfield code="a">Mori, C.S. </subfield>
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    <subfield code="a"> Minervino, A.H.H.</subfield>
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    <subfield code="a">Schalch, U.M. </subfield>
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    <subfield code="a"> Pacheco, J.C.G.</subfield>
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    <subfield code="a">Ortolani, E.L. </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Utiliza&#xE7;&#xE3;o de sal mineral rico em molibd&#xEA;nio na preven&#xE7;&#xE3;o da intoxica&#xE7;&#xE3;o c&#xFA;prica acumulativa em ovinos &#x2013; microminerais hep&#xE1;ticos</subfield>
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Publica&#xE7;&#xE3;o online; 17 ref.; 3 tables; Summaries (En, Pt)</subfield>
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RESUMO - Este estudo avaliou a capacidade de um sal mineral rico em molibd&#xEA;nio (Mo) em prevenir a intoxica&#xE7;&#xE3;o c&#xFA;prica acumulativa (ICA), mediante a an&#xE1;lise das vari&#xE1;veis cl&#xED;nicas e dos teores de cobre (Cu) e Mo hep&#xE1;tico. Foram utilizados 25 ovinos cruzados da ra&#xE7;a Ile-de-France, aleatoriamente distribu&#xED;dos igualmente em cinco grupos, em que o grupo 1 recebia dieta contendo 80% de volumoso e 20% de concentrado, os grupos 2 e 3 recebiam 50% de volumoso e 50% de concentrado, e os grupos 4 e 5 recebiam a mesma dieta dos grupos 2 e 3, com a adi&#xE7;&#xE3;o di&#xE1;ria de 150mg de sulfato de Cu. Os grupos 1, 3 e 5 recebiam sal mineral contendo 300ppm de Mo. Foram realizadas tr&#xEA;s bi&#xF3;psias hep&#xE1;ticas para determina&#xE7;&#xE3;o de Cu, Mo e Zn. Tr&#xEA;s ovinos do grupo 4 e um do grupo 5 manifestaram ICA. N&#xE3;o houve diferen&#xE7;a na frequ&#xEA;ncia de mortalidade entre os grupos (P=0,56). Os teores de Cu hep&#xE1;tico nos ovinos com ICA (2450ppm) foram superiores aos que n&#xE3;o intoxicaram (1518ppm). Quanto maior a ingest&#xE3;o de Mo na dieta, menor foi o ac&#xFA;mulo de Cu hep&#xE1;tico ao t&#xE9;rmino do experimento (r = -0,72).


Palavras-chave: carneiro, cobre, antagonistas, f&#xED;gado</subfield>
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ABSTRACT - The aim of this project is to evaluate the capacity of a molybdenum-rich mineral salt in the prevention of cumulative cooper poisoning (CCP) in sheep, through clinical and hepatic copper and molybdenum concentrations. Twenty five crossbreed Ile-de-France sheep were randomly distributed equally into five groups. Group 1 received a 80% forage and 20% concentrate diet, groups 2 and 3 received a 50% forage and 50% concentrate diet, and groups 4 and 5 received the same diet as groups 2 and 3 with a daily supplementation of 150 mg of copper sulfate. Groups 1, 3 and 5 received a mineral salt with 300 ppm of molybdenum. Three times during the experiment a liver biopsy was carried out to evaluate the degree of copper accumulation. Three sheep from group 4 and one sheep from group 5 showed a clinical picture of CCP. There was no difference in the frequency of mortality between groups 4 and 5 (P=0.56). The liver copper concentration was higher in sheep with CCP (2450 ppm) compared to sheep that did not present CCP (1518 ppm). The higher the ingestion of molybdenum in the diet the lower the liver copper concentration at the end of the experiment (r=-0.72).


Keywords: lamb, copper, antagonists, lamb, liver</subfield>
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    <subfield code="a">CARNEIRO</subfield>
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    <subfield code="a">DIETA</subfield>
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    <subfield code="a">COBRE</subfield>
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    <subfield code="a">F&#xCD;GADO</subfield>
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    <subfield code="a">DIST&#xDA;RBIO ANIMAL</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">1643</subfield>
    <subfield code="9">347391</subfield>
    <subfield code="d">Belo Horizonte-MG Universidade Federal de Minas Gerais - Escola de Veterinaria 1983</subfield>
    <subfield code="o">2024-8404</subfield>
    <subfield code="t">Arquivo Brasileiro de Medicina Veterin&#xE1;ria e Zootecnia (Brazil)</subfield>
    <subfield code="x">0102-0935</subfield>
    <subfield code="g">v. 68(3) p. 629-628; (2016)</subfield>
    <subfield code="w">BR2024004466</subfield>
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    <subfield code="u">https://www.scielo.br/j/abmvz/a/zK5Lb9zsMQH9QgSHnfHR3Zr/?format=pdf&amp;lang=pt</subfield>
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    <subfield code="c">329613</subfield>
    <subfield code="d">329613</subfield>
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