1983
DOI: 10.1080/00288233.1983.10420952
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Amounts and distribution of mineral elements associated with fleece-free empty body weight gains in the grazing sheep

Abstract: Fifty N.Z. Romneys (25 wethers and 25 ewes) grown from weaning to young adult, grazing a ryegrass/white clover pasture, were used to study the distribution of sodium (Na), potassium (K), magnesium (Mg), calcium (Ca), phosphorus (P), zinc (Zn), iron (Fe), copper (Cu), and manganese (Mn) among the various organs and tissues as well as the amounts associated with each kg gain in fleece-free empty body weight. Each kg gain in fleece-free empty body weight was associated with 0.92,2.1,0.29, 10.5, and 5.2 g of Na, K… Show more

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Cited by 58 publications
(32 citation statements)
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“…The concentrations ofNa, K, Mg, Ca, P, S, Cu, Se, Zn, Mo, Fe, and Mn found in the organs and soft tissues of the sheep not supplemented with trace elements (Table 3) were similar to those reported in earlier studies with grazing sheep (Grace 1983a;Grace & Martinson 1985;Grace & Watkinson 1985).…”
Section: Discussionsupporting
confidence: 75%
See 1 more Smart Citation
“…The concentrations ofNa, K, Mg, Ca, P, S, Cu, Se, Zn, Mo, Fe, and Mn found in the organs and soft tissues of the sheep not supplemented with trace elements (Table 3) were similar to those reported in earlier studies with grazing sheep (Grace 1983a;Grace & Martinson 1985;Grace & Watkinson 1985).…”
Section: Discussionsupporting
confidence: 75%
“…The above situation, however, can be modified by interactions(e.g., Fe-Cu) wherebythe intake of one trace element influences the tissue concentrations of another. Further, these factors must be considered when adopting a quantitative approach, involving tissue mineral concentrations, to determine the trace element requirements for growth (Grace 1984).…”
Section: Discussionmentioning
confidence: 99%
“…Outros autores também estimaram valores decrescentes para o conteúdo corporal de magnésio, potássio e sódio (GERASEEV et al, 2001;TRINDADE et al, 2000;GRACE, 1983;ANNENKOV, 1982). Entretanto, o ARC (1980) considera os valores fixos das concentrações desses minerais de 0,41 g de magnésio, 1,8 g de potássio e 1,1 g de Na/kg de PCV.…”
Section: Resultsunclassified
“…Segundo Nour & Thonney (1988) e Williams et al (1983), existe correlação negativa entre o teor de gordura corporal e o teor dos elementos inorgânicos, uma vez que a concentração desses elementos nos depósitos de gordura é mínima. Vári-os autores também encontraram valores decrescentes para a concentração corporal destes minerais (Grace, 1983;Thompson et al, 1988;Resende, 1989;Pires et al, 1993;Ferreira et al, 1998;Paulino et al, 1999;Signoretti et al, 1999). Todavia, o Agricultural Research Council (1988) considera constante a deposição desses minerais, e estima as seguintes concentrações corporais: 0,41 g de Mg, 1,80 g de K e 1,10 g de Na/kg de peso corporal vazio.…”
Section: Ingredienteunclassified
“…As concentrações de K em animais com 35 kg de peso encontradas neste trabalho foram semelhantes às encontradas por Grace (1983), que estudou a distribuição de diversos minerais no ganho de corpo vazio de ovinos em pastejo; todavia, os valores de Mg desta pesquisa foram superiores, e os de Na, inferiores.…”
Section: Composição Do Ganho Em Pesounclassified