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硒与生物的关系，最初是由于硒中毒而引起人们注意的。最早的记载见于十三到十四世纪的《马可·孛罗游记》。那时，马可·孛罗只记载了蒙古马吃了一种（可能是含硒量高的）草中毒的现象。在美洲，１５６０年也有类似发现。到１９３４年人们才发现是硒中毒。牲畜硒中毒的主...
The relationship between selenium and creatures was initially noticed because of selenium poisoning. The earliest records found in the 13th to the 14th century “Marco Polo travels.” At that time, Marco Polo documented only a (probably high selenium content) grass poisoning in Mongolian horse. In the Americas, similar discoveries were made in 1560. By 1934 people discovered it was selenium poisoning. Livestock selenium poisoning the main ...