| Autor: |
Hellesnes, I., Underdal, B., Lunde, G., Havre, G. N. |
| Zdroj: |
Acta Veterinaria Scandinavica; December 1975, Vol. 16 Issue: 4 p481-491, 11p |
| Abstrakt: |
Cattle slaughtered in four different parts of Norway have been examined with respect to selenium and zinc content in kidney, liver and muscle. Highest selenium concentrations were found in kidney and lowest in muscle. In spite of extensive use of standardized concentrates, geographic differences were detected with regard to selenium tissue levels, animals from the southeastern inland region having the lowest levels. According to other workers, this region has low-selenium humus soils, and selenium responsive diseases among young ruminants have been of considerable importance, especially when concentrates had not been given during winter feeding. The recorded tissue selenium levels are compared to other workers’ proposals for normal values. All animals examined in this study seem to be well within healthy limits. Kidney, liver and muscle from cattle are good sources of selenium with respect to human nutrition. |
| Databáze: |
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