尽管研究者们没有准确测量健康收益的多少，他们的发现被越来越多的证据证实，肠道细菌控制着重要免疫功能。
Though the researchers did not measure health outcomes directly, their findings arrive amid growing evidence that gut bacteria control important immune functions.
支持在动物中使用低剂量的抗生素的人们则表示，没有明确证据表明这种做法与人类抗药性细菌感染有关。
Supporters of low-level antibiotic use in animals say there is no solid evidence linking it to drug-resistant infections in humans.
虽然抗生素常使用于FIC的猫咪身上，但是，没有证据显示FIC是由细菌感染产生的。
Although antibiotics are frequently prescribed for cats with FIC, there is no evidence that FIC is a bacterial disease.
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