comparison of the in situ degradation parameters of fresh and frozen-thawed 15n-labelled alfalfa and ryegrass
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abstract
degradation of dry matter (dm) and nitrogen (n) in fresh or frozen-thawed alfalfa and ryegrass was studied by using in situ technique. the forages were labeled with 15n during growth in a glasshouse, harvested at similar growth phase, and fresh (f) or frozen-thawed (ft) samples were incubated in the rumen of 3 sheep. there was no difference (p>0.05) between forage type (s) for the immediately soluble fraction (a) and the insoluble but slowly degradable fraction (b) estimates for dm and n disappearance over time. however, 15n values for a and b were significantly (p
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Comparison of the in situ degradation parameters of fresh and frozen-thawed 15N-labelled alfalfa and ryegrass
Degradation of dry matter (DM) and nitrogen (N) in fresh or frozen-thawed alfalfa and ryegrass was studied by using in situ technique. The forages were labeled with 15N during growth in a glasshouse, harvested at similar growth phase, and fresh (F) or frozen-thawed (FT) samples were incubated in the rumen of 3 sheep. There was no difference (P>0.05) between forage type (S) for the immediately s...
full textComparison of the in situ degradation parameters of fresh and frozen-thawed N-labelled alfalfa and ryegrass
Degradation of dry matter (DM) and nitrogen (N) in fresh or frozen-thawed alfalfa and ryegrass was studied by using in situ technique. The forages were labeled with N during growth in a glasshouse, harvested at similar growth phase, and fresh (F) or frozen-thawed (FT) samples were incubated in the rumen of 3 sheep. There was no difference (P>0.05) between forage type (S) for the immediately sol...
full textIn vitro determination of the characteristics of fresh and frozen-thawed alfalfa and ryegrass
Current ruminant feeding systems depend on knowledge of the composition of feeds and the rate and extent of degradation of feed organic matter (OM) and crude protein (CP) in the rumen. The effect of storage and preparation of samples on in vitro gas production and fermentation characteristics of two common forage species, namely alfalfa and ryegrass werestudied. Samples were prepared as fresh (...
full textin vitro determination of the characteristics of fresh and frozen-thawed alfalfa and ryegrass
current ruminant feeding systems depend on knowledge of the composition of feeds and the rate and extent of degradation of feed organic matter (om) and crude protein (cp) in the rumen. the effect of storage and preparation of samples on in vitro gas production and fermentation characteristics of two common forage species, namely alfalfa and ryegrass werestudied. samples were prepared as fresh (...
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Journal title:
journal of livestock science and technologiesPublisher: shahid bahonar university of kerman and iranian society of animal science
ISSN
volume 2
issue 1 2014
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