不同添加剂对红三叶青贮品质影响的研究

The Effect of Additives on Red Clover Silages Quality
TAO Lian1，YU Zhu1﹡，CHEN Yan1，YUN Peng2
（1.Institute of Grassland Science, China Agriculture University, Beijing 100094;2 .Animal Husbandry and Veterinary terminus in Beijing，Beijing 100029)
Abstract : The experiment was conducted to investigate the effects of different silage additives on fermentation quality and chemical composition of red clover silages. The silage additives include: FAST-SILE(FS), cellulase(CE), molasses（M）, formic acid(FA) . The results showed that The pH and the content of Non-protein Nitrogen in all the treatments were markedly lower than the control（p<0.05）. The lactic acid content of FAST-SILE treatment and FAST-SILE - cellulase treatment were significantly higher than the control（p<0.05）, and the content of the water soluble carbohydrates in the treatment of FAST-SILE - cellulase was markedly decreased(p<0.05). The content of  the water soluble carbohydrates of the treatments of formic acid were significantly increased (p<0.05) , and the content of Ammonia Nitrogen and lactic acid with formic acid  treatment were further decreased(p<0.05). Additives improved the fermentation quality of red clover silages and changed their chemical composition.
Key Words: Red clover; Silage; Additives; Fermentation quality; Water soluble carbohydrate

注：C：对照，control；FS：青宝II号，FAST-SILE；CE：纤维素酶，cellulase；M：糖蜜，molasses； FA：甲酸，formic acid；下表同, the same as below

注：表中同列不同小写字母表示平均数差异显著（p<0.05） 下表同
Note: Different letters in the same column show significant differences at a 0.05 level，the same as below

2.4红三叶青贮综合评分方案

3讨论

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