作者: J. J. Clary , G. E. Mitchell Jr. , C. O. Little , N. W. Bradley
DOI: 10.1139/Y69-027
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摘要: Pancreatic tissue, obtained from groups of 24 steers each fed pasture plus free-choice minerals or an all-concentrate ration for 126 days, was analyzed amylase activity. Feeding grain resulted in a highly significant increase pancreatic tissue 48 with corn silage had intermediate Data wethers duct common bile cannulas to permit collection secretions during dietary change support conclusion that ruminants adapt increased intake by increasing their production amylase. The time required full adaptation appeared be longer than monogastric animals.