Testing concentrate feed mixtures with increased selenium concentration in order to produce eggs as functional food
2012
Tolimir, Nataša (Institute for Science Application in Agriculture, Belgrade (Serbia)) | Jovanović, Rade (Institute for Science Application in Agriculture, Belgrade (Serbia)) | Maslovarić, Marijana (Institute for Science Application in Agriculture, Belgrade (Serbia)) | Vukić-Vranješ, Marina (Institute for Science Application in Agriculture, Belgrade (Serbia)) | Drinić, Milanka (Faculty of Agriculture, Banja Luka, Republic of Srpska (Bosnia and Herzegovina))
The goal of the research was to change egg nutritional content using concentrate feed mixtures with increased selenium concentration, and therefore to obtain selenium-enriched eggs as functional food and test egg quality and selenium concentration. The experiment was carried out with 240 laying hens of Isa Brown provenance, divided into two groups. Selenium was added in concentrate mixtures in the form of sodium selenite and selenized yeast. Selenium concentration in feed was 0.53 mg/kg in the control group and 3.18 mg/kg in the experimental group. The results indicate that adding selenium has no significant effect on the quality of table eggs, although there has been an increase in the egg mass and Houhg units. Selenium concentration in eggs was significantly higher in the experimental group (1.237 mg/kg) than in the control group (0.355 mg/kg). Adding selenium in feeds for laying hens is a very efficient method for producing selenium-enriched eggs, i.e. producing eggs as functional food.
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