organism: Mus musculus
attributes.tag: isolate
attributes.value: S1
attributes.tag: breed
attributes.value: C57
attributes.tag: age
attributes.value: 35 day
attributes.tag: dev_stage
attributes.value: adult
attributes.tag: collection_date
attributes.value: 2023-06-10
attributes.tag: geo_loc_name
attributes.value: China: Yangling
attributes.tag: sex
attributes.value: male
attributes.tag: tissue
attributes.value: Testis
attributes.tag: cell_type
attributes.value: primary cell
attributes.tag: collected_by
attributes.value: Northwest Agriculture and Forestry University
attributes.tag: genotype
attributes.value: CKO
attributes.tag: BioSampleModel
attributes.value: Model organism or animal