Abstract
The objective of this study was,to determine,the effect of forage fiber digestibility as part of a total mixed,diet on intake,and,production,of cows,with intakes that were likely limited by rumen fill, using treatments that were not confounded by fiber source, concentrate, or ratio of forage , time of feeding. ( Key words: fiber digestibility, intake, neutral deter- gent fiber, forage quality) Abbreviation key: HDF = high digestible fiber,