The Fatty Acids Present in the Rumen of Lambs Fed on a Flaked Maize Ration

The cobalt-deficient diet introduced by Stewart (1947) contains flaked maize as t..is foodstuff contains very little cobalt. Experiments in which this ration was used have already been described (Phillipson & Mitchell, 1952), and examination of the rumen contents of some of the lambs involved revealed an unusual bacteriological picture I n addition, lactic acid-producing bacteria (lactobacilli) were isolated. These observations were most marked in those lambs receiving cobalt, for they ate more of the flaked maize mixture. Lambs receiving no supplementary cobalt did not show this picture to such a marked extent.