Passage kinetics of δ<sup>13</sup>C labeled odd-chain <i>n</i>-alkanes (C<sub>29</sub>, C<sub>31</sub>, C<sub>33</sub>) in dairy cows fed grass silages of early and late maturity at two nitrogen (N) fertilization levels (N45∶45 kg N/ha; N90∶90 kg N/ha).
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K1: fractional passage rate constant (%/h) from the reticulorumen; K2: fractional passage rate constant (%/h) from the proximal colon-cecum; PCT: tracer peak concentration time (h); TT: tracer transit time (h); TMRT: total mean retention time (h); MPE: mean prediction error (% of observed mean); values represent means (n = 16 per n-alkane type) and respective standard error of the mean in parenthesis. 1Analyses of variance on log-transformed means.
创建时间:
2013-10-04



