The problem with low level application of antibiotics to animal feeds is that an antibiotic resistant microflora is selected for by the constant exposure to antibiotics.

 
  • 動(dòng)物飼料中低劑量抗生素的使用所引發(fā)的問(wèn)題是由于長(cháng)期暴露在抗生素環(huán)境下,抗抗生素微生物得到選擇性生長(cháng)。
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