Letter to the editor: a modification of an old method of emptying the rumen of cattle.
D000818:Animals; D002417:Cattle / Q000033:anatomy & histology* / Q000502:physiology; D007441:Intubation, Gastrointestinal / Q000662:veterinary*; D008722:Methods; D013279:Stomach, Ruminant / Q000033:anatomy & histology