abstract |
The present invention relates to a kind of devices for one of animal gastrointestinal tract or the sampling of a variety of inner materials, and described device includes the wall that at least one can partially be stretched.The invention further relates to it is a kind of by device from oral area give animal and from excrement recyclable device method, to analyze the sample being collected into, for diagnosing the health status of gastrointestinal tract and determining nutrient absorption and digestibility. |