Effect of form of nitrogen on populations of fibre-associated ruminal microbes in pre-treated rice straw in vitro

摘要：

The study was conducted to investigate the effect of ammonium bicarbonate and casein on rumen fermentation and relative populations of fibre-associated cellulolytic microbes in untreated and sodium hydroxide treated rice straw in vitro. Form of nitrogen had different effect on rumen fermentation and fibre-associated microbial populations. Cumulative gas production significantly increased with addition of nitrogen. Addition of casein significantly improved rumen fermentation and microbial populations. Casein had higher efficiency to supply available nitrogen to microbial growth and degradation of straw than ammonium bicarbonate. It is inferred that a supply of protein nitrogen would be needed for maximum degradation of straw.

关键词： ammonium bicarbonate casein rumen fermentation fibre-associated microbes treated rice straw

作者: X.L.Chen J.K.Wang Y.M.Wu J.X.Liu

作者单位: College of Animal Sciences, Institute of Dairy Science, Ministry of Education, Key Laboratory of Molecular Animal Nutrition, Zhejiang University Hangzhou 310029, PR.China

会议类型: 国际会议

会议名称: The 7tb International Symposium on the Nutrition of Herbivores(ISNH-7)(第七届国际草食动物营养研讨会)

会议地点: 北京

会议语种:英文

页码: 595-600

在线出版日期: 2007-09-16（万方平台首次上网日期，不代表论文的发表时间）