title: not applicable
organism: Bos taurus
attributes.tag: strain
attributes.value: bull
attributes.tag: isolate
attributes.value: not applicable
attributes.tag: breed
attributes.value: not applicable
attributes.tag: cultivar
attributes.value: not collect
attributes.tag: ecotype
attributes.value: not collect
attributes.tag: age
attributes.value: 12 months
attributes.tag: dev_stage
attributes.value: mature
attributes.tag: sex
attributes.value: male
attributes.tag: tissue
attributes.value: diced cauda epididymis
attributes.tag: biomaterial_provider
attributes.value: Tumen abattoir, a local slaughterhouse located in Xi'An, China
attributes.tag: birth_date
attributes.value: not collect
attributes.tag: birth_location
attributes.value: not collect
attributes.tag: breeding_history
attributes.value: not collect
attributes.tag: breeding_method
attributes.value: not applicable
attributes.tag: cell_line
attributes.value: not applicable
attributes.tag: BioSampleModel
attributes.value: Model organism or animal