The purpose of this research was to study the possibility of cattle breeding in a radioactively contaminated area and to develop methods of purifying the animal body from cesium-137 before slaughter to obtain environmentally safe meat. Experiments were conducted on 4 groups of calves of Simmental breed grown with the cows and after weaning in a feedlot or in a fattening complex. The density of radioactive contamination by cesium-137 in the core sector was up to 925 kBq/m 2 , out at grass 851-1110 kBq/m 2 , in the "Clean" area, where the fattening complex was located to 185 kBq/m 2. For the period of cleaning the calves-body with clean feeds, the decrease multiplicity of the cesium-137 content in comparison with the control was 17.0-33.7 times, respectively. Similar results were obtained in the study of animal internal organs (heart, liver, lungs and kidneys). The meat production was safe for use in human food.
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