不同水平复合酶对稻草青贮品质的影响

Abstract

Abstract: This trial aimed to study the effects of different levels of enzyme mixture （containing cellulose and xylanase) on quality of rice straw silage.Conventional moisture ensilaging （MC1） and low moisture ensilaging （MC2） were added 0（control group)，25，50，100 mg/kg enzyme mixture，respectively. Each treatment was repeated 3 times.The materials were ensiled at room temperature and opened 60 days later. The results showed that pH，dry matter recovery and water soluble carbohydrate content in MC2 were extremely significantly higher than that in MC1 （P＜0.01）.The contents of lactic acid and ammonia nitrogen in MC2 were extremely significantly lower than that in MC1 （P＜0.01）.Compared with the control group，the contents of ammonia nitrogen （P<0.01） and neutral detergent fiber （P<0.05） in all the treatments of MC1 had significantly decreased.The pH in all the treatments of MC2 had extremely significantly decreased (P＜0.01)，the dry matter recovery and ammonia nitrogen content in 100 mg/kg group of MC1 and MC2 had extremely significantly increased and decreased （P＜0.01）, respectively，the water soluble carbohydrate content in 100 mg/kg group of MC1 and MC2 had significantly increased （P＜0.05）.The results indicated that enzyme mixture could improve the quality of both MC1 and MC2，the best level was 100 mg/kg in MC2.

Key words: rice straw; enzyme mixture; silage; fermentation quality; chemical composition

CHEN Guo-fu，ZHANG Wen-chang，ZOU Chang-lian，ZHANG Guo-yi，YE Hang，ZHUANG Yi-fen. Effects of Different levels of Enzyme Mixture on Quality of Rice Straw Silage[J]. .

References

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Effects of Different levels of Enzyme Mixture on Quality of Rice Straw Silage

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