attributes.tag: host
attributes.value: Mus musculus
attributes.tag: breed
attributes.value: C57BL/6J
attributes.tag: age
attributes.value: 14 week
attributes.tag: sex
attributes.value: male
attributes.tag: tissue
attributes.value: stool
attributes.tag: biomaterial_provider
attributes.value: 2
attributes.tag: replicate
attributes.value: biological replicate 2
attributes.tag: collection_date
attributes.value: missing
attributes.tag: geo_loc_name
attributes.value: missing
attributes.tag: lat_lon
attributes.value: missing
attributes.tag: BioSampleModel
attributes.value: Metagenome or environmental