Estimating grass and grass silage degradation characteristics by in situ and in vitro gas production methods
作者: Goran KisDarko GrbesaAntun KostelicDanijel Karolyi
刊名: Italian Journal of Animal Science, 2010, Vol.4 (3s), pp.142
来源数据库: Directory of Open Access Journals
关键词: GrassIn situGas productionMaturity
原始语种摘要: Fermentation characteristics of grass and grass silage at different maturities were studied using in situ and in vitro gas production methods. In situ data determined difference between grass and silage. Degradable fraction decreased as grass matured while the undegradable fraction increased. Rate of degradation (kd) was slower for silage than fresh grass. Gas production method (GP) data showed that fermentation of degradable fraction was different between stage of maturity in both grass and silage. Other data did not show any difference with the exception for the rate of GP of soluble and undegradable fraction. The in situ degradation characteristics were estimated from GP characteristics. The degradable and undegradable fractions could be estimated by multiple relationships. Using the...
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关键词翻译
关键词翻译
  • degradation 减嚣夷酌
  • grass 牧草
  • silage 青贮
  • production 生产
  • could 能够
  • fraction 分数
  • studied 学习
  • estimated 估计的
  • parameters 参数
  • difference 区别