Prediction of the day matter digestibility of tropical grasses using a pepsin-cellulase assay
作者： I. Goto , D.J. Minson
DOI: 10.1016/0377-8401(77)90028-1
关键词: Agronomy 、 Lolium perenne 、 Pasture 、 Chloris gayana 、 Biology 、 Setaria 、 Cenchrus ciliaris 、 Forage 、 Dry matter 、 Digitaria 、 Animal Science and Zoology
摘要: Abstract A study was made of the accuracy predicting dry matter digestibility in vivo from disappearance forage samples pepsin (48 h) followed by Onozuka cellulase h). Forty-five representing four tropical pasture species, Cenchrus ciliaris, Chloris gayana, Digitaria spp., Setaria spp. and one temperate grass, Lolium perenne were used. Dry significantly correlated with pepsin-cellulase ( r = 0.94) regression had a residual standard deviation ± 2.7 units. Separate regressions for five grasses RSD values ranging 1.3 to 2.6. It concluded that both range 40–76% could be accurately predicted assay, provided known similar those being tested included as standards each run.
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