MINERAL COMPOSITION OF LIVER OF BULLS THAT ARE AT ELEVATED CADMIUM DIET AND USE OF BIOACTIVE SUBSTANCES
Research of the mineral composition of liver tissue of young bulls that were under adjusted diet with metionate of Fe, Cu, Zn, Mn, Co was done. Higher concentration of cadmium on 41,3 mcg / kg (55,7 %; P <0.001) was established in the liver of bulls that received more microelement with feed ration. Lower values of iron content on 1,9 mg / kg (10,4%); copper - on 6.8mg / kg (2,7 times, P<0,001); cobalt - on 0,04 mcg / kg (5,3%); manganese - on 0,23 mg / kg (27,4 %; P<0,01) and calcium - on 32,0 mg/kg (10,7%; P<0.001) was determined in the liver of animals of agricultural company «Bovshivska». The content of zinc, conversely, was higher - at 5,8 mg / kg (27.6%; P <0.01) The highest reduction of cadmium and the increase of the level of biotic microelements and calcium was found when added to the diet of animals metalloorganic premix, alone and in combination with injections of tryvitamin
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