Physico-chemical properties of the neutral-detergent fiber from isolated and combined feeds
DOI:
https://doi.org/10.5380/avs.v11i1.5622Keywords:
capacidade tamponante, capacidade de troca catiônica, capacidade de hidratação, fibra em detergente neutro, aditividade, buffering capacity, cation-exchange capacity, water-holding capacity, neutral detergent fiber, addictivityAbstract
The neutral detergent fiber properties of cation-exchange capacity (CTC), titrable acidity (AT) and water-holding capacity (CH) from the maize (M), soybean meal (FS), wheat straw (PT), 0.65M+0.35FS (MFS) and MFS diluted with 7,5, 15, 22,5 and 30 % PT were evaluated. The determinations were performed in laboratory trials using six replicates from the studied material. The observed values for the three evaluated measures decreased from FS to M and PT, but there was no difference between M and PT for CH. The effect of the dilution of MFS with PT was linear for AT, quadratic for CH and cubic for the CTC. Only the AT showed addictivity, showing to be a potentially useful measure to predict the buffering capacity in the fiber of composed feeds from its determination in the isolated feeds.
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