Abstract
The effect of the feeding schedule and the use of a dditives on the intake and its rate were studied on animals consuming a temperate pasture. Twenty four wethers (47.8 ± 6.4 kg BW), housed in metabolism cages, were fed a fresh pasture (80% Lotus corniculatus ) and assigned to four groups. Group AD had forage available all day; group 1D was fed for 6 h/day; gr oup 1D&B was fed 6 h/day plus 2% DM intake level of buffer (75% NaHCO 3-25% MgO) and group 1D&S was fed 6 h/day plus 6.2 x 10 9 CFU/animal/day of Saccharomyces cerevisiae. Daily intake and its rate were measured weighing t he amount offered and refused every one hour for six hours. Orthogonal contrasts were performed on data to study the effect of feedi ng schedule, the use of additives and the type of addi tive used. There were no differences in g of DM ingested/kg BW 0.75 /day (mean value: 52.8). Groups fed 6 h/day showed a higher rate of intake for every hour studied (i.e. hour 2: AD: 5.9 vs. 6 h/day: 7.2). Within groups fed 6 h/day plus the buffer supplemented one presented the highest cumulative intake, at 20.9 g DMi/kg BW.
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