Abstract
The level of contamination of poultry fodder raw material, which includes 30% of corn, 55% of wheat, 5% of oats, 5% of barley and 5% of sunflower meal, by heavy metals (lead, cadmium, zinc, copper) in the zone of intensive farming of the Right-bank Forest-steppe of Ukraine is shown. The impact of silicon and mineral extract on the intensity of heavy metals (lead, cadmium, zinc, copper) accumulation in the edible parts of poultry, namely in the red and white meat, liver and skin is studied. It has been revealed that there is an excess of MAC in cadmium by 2.1 times in the fodder wheat and by 3.0 times in the sunflower meal (Medical and Biological Requirements 5061-89) in the zone of intensive farming of the Right-bank Forest-steppe of Ukraine. The replacement of 10% of water with siliconand mineral water extract in the poultry diet under their keeping at households contributes to increase the removal of lead from their bodies by 27.4 %, cadmium – by 30.2%, zinc – by 20%, and copper – by 16.3%. We determined that the use of silicon and mineral water extract in the poultry diet reduced the concentration of lead by 1.6 times in the liver, by 1.1 times in the white meat and by 1.02 times in the red meat; it reduced the concentration of cadmium by 1.2, 1.6, and 1.2 times; reduced the concentration of zinc by 1.3, 1.05, and 1.8 times; the concentration of copper by 1.3, 1.3, and 1.4 times, respectively.
Highlights
The fodder raw material is a source of vital substances for animals, including poultry, and plays an important role in their existence (Razanov, 2008; Razanov 2010a, 2010b)
The fodder raw material can be a source of harmful substances, namely heavy metals, leading to their accumulation in the poultry’s tissues and considerably reducing the quality and safety of meat (Kulyk et al, 2003; Hutjens, 1991)
Nowadays there is an uptrend in the level of diseases for the population living in the zone of intensive farming, where the increase in the pollution of agricultural lands and fodder raw materials by heavy metals is observed (Kurkina, 2001; Simon, 2009)
Summary
The fodder raw material is a source of vital substances for animals, including poultry, and plays an important role in their existence (Razanov, 2008; Razanov 2010a, 2010b). There is a need to control the translocation of heavy metals in the environment, as well as the obstacles to their migration along the chain of soil → vegetable fodder raw materials → poultry products → human organism (Razanov et al, 2015; Tkachuk, 2016). For this purpose, a number of sorbents are used, preferring ecological and natural means (Bomko et al, 2007; Reis et al, 2010). The research of scientists has proved the high efficiency of the removal of heavy metals from the body of animals when using selenium (Pirovaet et al, 2010; Sendecka, 2014), as well as alumina and aluminosilicates (Beltcheva, 2013; Corzo et al, 2005) in their diet
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