A catch vessel for animal excrement includes a catch vessel for animal excrement, the catch vessel including a collection vessel configured to receive and hold an animal excrement, a volumetric scale coupled to the collection vessel and configured to receive at least a portion of the animal excrement, the volumetric scale including a removable cover, an extension handle coupled to the collection vessel and the extension handle is configured to telescope between a retracted configuration and an extended configuration. The catch vessel for animal excrement is useful for collection of pet and animal excrement for testing.