Do cows raised in climates that produce lush pastures produce better natural gut?
生活在繁密的草原的牛能生产更好的天然肠线么？
Not a natural gut bacterium, B. subtilis has long been used as a probiotic agent in food.
枯草芽胞杆菌并不是一种天然存在于内脏的细菌，它们长期被用作食物的益生菌添加剂。
Because the natural home for Salmonella bacteria is in the gut of these animals, their poop becomes a carrier of the germ if it gets into food or water.
这些动物的消化道是沙门氏菌的天然家园，因此它们的粪便就为细菌侵入食物或水源提供了载体。
Because the natural home for Salmonella bacteria is in the gut of these animals, their poop becomes a carrier of the germ if it gets into food or water.
因为沙门氏菌的天然宿处是动物的肠道，动物粪便如果进入食物或水源中，则成为了细菌的载体。
Because the natural home for Salmonella bacteria is in the gut of these animals, their poop becomes a carrier of the germ if it gets into food or water.
因为沙门氏菌的天然宿处是动物的肠道，动物粪便如果进入食物或水源中，则成为了细菌的载体。
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