The Effect of Dog Ownership on the Microbiome of Elderly Humans

This study analyzes the effects of dog ownership on the gut microbiomes of elderly adults. Stool samples were collected from elderly adults before becoming a dog owner, and then 1, 2, and 3 months after getting a dog. Samples were also collected from each dog.本研究分析了饲养宠物犬对老年人群肠道微生物组（gut microbiome）的影响。研究人员从计划成为犬主的老年人处采集粪便样本，采样时间点分别为其成为犬主前，以及获得宠物犬后的1、2、3个月；同时还采集了每只宠物犬的粪便样本。