Permanent rumen cannula.
D000180:Acrylic Resins; D000818:Animals; D002417:Cattle; D007441:Intubation, Gastrointestinal / Q000295:instrumentation / Q000662:veterinary*; D008722:Methods; D011095:Polyethylenes; D014730:Veterinary Medicine / Q000295:instrumentation*
D000180:Acrylic Resins; D011095:Polyethylenes