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EFFECT OF DIETARY SODIUM SELENITE AND SE-ENRICHED YEAST ON EGG-SHELL QUALITATIVE PARAMETERS OF LAYING HENS EGGS

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Author(s): Henrieta ARPÁŠOVÁ | PETER HAŠČÍK | Martina HANOVÁ | Jozef BUJKO

Journal: Journal of Central European Agriculture
ISSN 1332-9049

Volume: 11;
Issue: 1;
Start page: 99;
Date: 2010;
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Keywords: laying hens | sodium selenite | se-yeast | egg shell

ABSTRACT
The experiment was designed to investigate the effects of feed supplementation with selenite or selenized yeast on eggs quality of laying hens. Hens of laying breed Isabrown were randomly divided at the day of hatching into 4 groups (n=12) and fed ad libitum for 9 months on diets which differed only in amounts or forms of selenium supplemented. Hens were fed from 1st day by standard feed mixture. Control group get only native dose of selenium (0.1 mg/kg) naturally presented in feed mixtures. First experimental group get selenium addition 0.4 mg/kg in a form of sodium selenite, second one the same dose of 0.4 mg/kg but in organic form of Se-yeast. The diet for the fourth group was supplemented with Se-yeast at Se dose 0.9 mg/kg DM. The both doses of organic selenium had significantly (P0.05) by the supplementation of Se into the feed mixture for laying hens.

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