Selenium and α-tocopherol content in eggs produced by hens that were fed diets supplemented with selenomethionine, sodium selenite and vitamin E

SKŘIVAN, M., BUBANCOVÁ, I., MAROUNEK, M. & DLOUHÁ, G. Selenium and α-tocopherol content in eggs produced by hens that were fed diets supplemented with selenomethionine, sodium selenite and vitamin E. Czech Journal of Animal Science, 2010, roč. 55, s.
SKŘIVAN, Miloš, BUBANCOVÁ, Ivana, MAROUNEK, Milan and DLOUHÁ, Gabriela. Selenium and α-tocopherol content in eggs produced by hens that were fed diets supplemented with selenomethionine, sodium selenite and vitamin E. Czech Journal of Animal Science, 2010, 55, 388-397. ISSN 1212-1819.
Year2010
CathegoryScientific publication in impacted journals
Internal link10152.pdf
Abstract

The effect of supplementing dietary selenium (Se) and vitamin E was investigated in 330 hens. Se was supplied as Se-methionine or sodium selenite. Supplementation of either form of Se increased the Se concentration in egg yolks and whites, with a more pronounced effect caused by Se-methionine. At a high dietary α-tocopherol concentration (632 mg/kg), the retinol content in egg yolks from hens fed Se-methionine increased significantly. Supplementation of Se-methionine significantly increased the α-tocopherol content in the eggs in the third and seventh weeks of the experiment. A moderate decrease in yolk cholesterol was observed in hens fed Se-methionine and α-tocopherol at 119 mg/kg. The concentration of thiobarbituric acid-reactive substances (TBARS) in egg yolks increased marginally during the refrigerated storage of the eggs for 2 weeks. The effect of dietary vitamin E on TBARS formation was generally small, although a more significant effect was observed at the highest dose tested.