ABSTRACT.
Currently, there is growing interest in finding and using alternative cost-effective approaches to provide the body with accessible energy. One of these may be the use of emulsifiers when reducing the level of fat in the
diet. At the same time, emulsifiers can affect mineral metabolism, causing quantitative and qualitative modulation of elements associated with fat metabolism. The purpose of the research was to evaluate the effect of lecithin on the elemental composition of organs and tissues. The addition of an emulsifier to the diet of broiler chickens contributed to a
decrease in the level of magnesium and potassium by 25.2% (p≤0.05) and 25.7% (p≤0.05) when compared with the
control. Changes in the mineral profile of the body are directed towards increasing the concentrations of magnesium,
sodium and iron, with a parallel decrease in cadmium, calcium, selenium and lead in the experimental groups. Thus,
feeding diets containing soy lecithin in an amount of 2 g/kg of feed contributes to changes in the mineral composition of
organs and tissues of broiler chickens. The data obtained indicate the need to adjust diets in terms of mineral composition when using emulsifiers.
KEYWORDS: broiler chickens, lecithin, feeding, macro- and microelements.