Influence of high levels of inorganic selenium on activity of glutathione-peroxidase (GSH-Px) in blood plasma of chickens | Uticaj visokih nivoa neorganskog selena na aktivnost glutation-peroksidaze (GSH-Px) u krvnoj plazmi brojlera
2005
Joksimovic-Todorovic, M., Poljoprivredni fakultet, Beograd - Zemun (Serbia) | Jokic, Z., Poljoprivredni fakultet, Beograd - Zemun (Serbia)
The effect of high levels of inorganic selenium (Na2SeO3) was investigated on activity GSH-Px in blood plasma of chickens. For experiment, 140 chickens were used which were divided into 7 groups. The experiment lasted 42 days. The chickens of the 1st group were not fed supplemental seleniium. The chickens of the 2nd, 3rd, 4th, 5th, 6th and 7th group were fed 2, 5, 10, 15, 20 and 30 mg Se/kg of diet in form of Na2SeO3. For determination of activity of GSH-Px spectrographic method was used. The highest activity of GSH-Px was found at the beginning of the experiment in all examined chickens (the eleventh day). The chickens of the 2nd, 3rd, 4th and 5th group had significantly higher activity and chickens of the 6th and 7th group had lower activity then the 1st group.
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