RUMINATOR. The rumen sampler.
Large rumen samples and transfaunation.
GEISHAUSER, T. (1987): (Development and testing of a device for sampling or transferring rumen fluid, and for administration of liquid medicaments in adult cattle.) (German). Hannover, Tierärztliche Hochschule, Dissertationsschrift.
GEISHAUSER, T. (1993): An instrument for collection and transfer of ruminal fluid and for administration of water soluble drugs in adult cattle. Bovine Practitioner 27, 38-42.