Serum glutathione peroxidase activity reflects ...
|Title||Serum glutathione peroxidase activity reflects short-term increases in selenium intake in goats|
|Author(s)||Jeffrey Wichtel, K. G. Thompson, N. B. Williamson|
|Journal||New Zealand Veterinary Journal|
|Abstract||The objective of this study was to determine if serum glutathione peroxidase activity reflects short-term changes in the selenium status of goats. Angora goat kids (n=14) were fed pelleted luceme containing 20 microg/kg of selenium, and treated orally with either selenium (0.1 mg/kg of liveweight weekly, as sodium selenate) or de-ionised water. Serum activity of glutathione peroxidase was increased in response to supplementation and differed from that of controls within 24 hours of supplementation. The change in serum glutathione peroxidase activity during the 21 days after the start of weekly supplementation closely followed changes in serum selenium concentration. The results of this study suggest that serum glutathione peroxidase activity reflects the short-term improvement in the selenium status of Angora goat kids following oral supplementation with sodium selenate.|
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