Word: rumen
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Dates: during 1930-1939
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...side of a sleepy black steer, Dr. Arthur F. Schalk carved a hole big enough to push a beer bottle through. Straight through the abdominal wall he sliced, until the interior of the rumen and the reticulum-two of the four bovine stomach cavities-was disclosed to view. When the edges of the hole in his steer had healed, plump, white-thatched Dr. Schalk, professor of veterinary medicine at Ohio State University, stoppered it with a wooden plug...
...Vitamin B was found in Jessie's milk after Vitamin B had been deleted from her diet. Puzzled, experimenters cut a hole in Jessie's side, inserted a rubber tube, periodically examined the contents of her stomach. Ninety per cent of the bacteria in rumen were discovered to be of a new kind, flavobacterium vitarumen. Bacteriologist Ralph Porter Tittsler began investigating the bacteria in Jessie's stomach to discover what influence salt and other chemicals had upon the digestive processes of cows...