Relation of intergrowth and prey of good bacteria and maleficent bacteria in human body have and effect for body health.
人体肠道有益菌群和有害菌群的共生与捕食关系影响着人体健康。
Increasing infectious rate and drug resistance of gram positive bacteria have become a serious problem threatening the health of human beings in recent 20 years.
近20多年来，革兰阳性菌的感染和耐药日益增加，正在成为威胁人类健康的重大临床难题，人们需要寻求更有效的抗菌药物。
Over 30 countries have already banned the use of antibiotic growth promoters, mainly due to concerns about human health and the emergence of bacteria resistant to multiple types of antibiotics.
超过30个国家已经禁止使用抗生素促生长剂，主要原因为人类健康及抗生素耐药性问题。
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