Provided herein are animal waste collecting animal containment cages (100) for collecting and separating feces and urine from an animal or animals. Also provided herein are animal waste collecting animal containment cages that are disposable and are for single use. Also provided herein are animal waste collecting animal containment cages (100) that are disposed within a rack (800). Also provided herein are methods of using and manufacturing an animal waste collecting animal containment cage (100).