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Ruminal degradability of hard or soft texture corn grain at three maturity stages Scientia Agricola
Pereira,Marcos Neves; Von Pinho,Renzo Garcia; Bruno,Ralph Guilherme da Silva; Calestine,Gabriela Arruda.
The predominance of vitreous endosperm in hard texture flint corn (Zea mays L.) can decrease ruminal starch digestion comparatively to the farinaceous endosperm of dent corn, reducing energy content of the grain. The objective of this experiment was to evaluate the effects of texture and maturity stage on ruminal degradability of corn grain. Two dent and two flint hybrids were harvested at the early dent, half milk line, and black layer stages. The proportion of vitreous endosperm (vitreousness) in dent hybrids was 44.3%, while in flint it was 67.0%. There was a linear increase in vitreousness with advancing maturity. Flint hybrids at the early dent stage were more vitreous than dent at the black layer stage. The increase in vitreousness per maturation day...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Vitreousness; Endosperm; Dent corn; Flint corn; Rumen.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162004000400002
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