| 摘要 |
The present invention relates to a device for sampling internal substance(s) in the gastrointestinal tract of an animal composed of at least one wall which is partially expandable. The invention also relates to a method of orally administering the device to an animal and recovering the device from the stool to carry out analysis on the collected sample for diagnosing the health of the gastrointestinal tract and determining nutrient absorption and digestibility. |
