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В 1985 г. было приобретано от земледельцев из индивидуальных и обобществленных хозяйств почти 3 миллиона голов скота, 124 тыс. телят, сверх 0,5 миллиона овец, свыше 13 миллионов свиней, а также свыше 97 тыс. лошадей. Во время исследования перед и после забоя отмечено симптомы либо болезненные изменения у 33,90% приобретенных животных, в том у 41,43% скота, 30,61% телят, 21,34% овец, 32,85% свиней...
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