Fiber monosaccharides and digestibility of Milenio grass under N fertilization

Nutritive value of tropical forages is extremely dependent on management strategies adopted. The objective of this study was to evaluate the effects of N fertilization doses (0, 150, 300, or 450kgN/ha/year) on chemical composition, in vitro digestibility, and neutral monosaccharides from cell walls...

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Bibliographic Details
Published in:Animal feed science and technology 2013-06, Vol.183 (1-2), p.17-21
Main Authors: Campos, F.P., Sarmento, P., Nussio, L.G., Lugão, S.M.B., Lima, C.G., Daniel, J.L.P.
Format: Article
Language:English
Subjects:
arabinose
Carbohydrate
Cell wall
cell walls
cellulose
crude protein
Digestibility
fertilizer rates
glucose
grasses
hemicellulose
in vitro digestibility
nitrogen fertilizers
nutrient content
nutrients
nutritive value
Panicum maximum
Pasture
xylose
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Summary:Nutritive value of tropical forages is extremely dependent on management strategies adopted. The objective of this study was to evaluate the effects of N fertilization doses (0, 150, 300, or 450kgN/ha/year) on chemical composition, in vitro digestibility, and neutral monosaccharides from cell walls of Panicum maximum Jacq. cv. IPR-86 Milenio. Grass samples were collected after 35 d of regrowth from paddocks managed under rotational stocking (35-d resting and 5-d occupation). All nutrient concentrations were affected by N fertilization, except ether extract. Although crude protein (CP) increased linearly with N dose, most nutrients were altered according to a quadratic trend. Each kilogram of N resulted in a 0.13 percentage unit increase in CP content (P
ISSN:0377-8401
1873-2216
DOI:10.1016/j.anifeedsci.2013.04.014