Enzyme and Lactic Acid Bacteria Affecting Fermentation Quality of Mixed Silage of Perennial Ryegrass and Corn Straw

doi:10.11924/j.issn.1000-6850.casb16060043

Abstract

Abstract: To research the effects of adding enzyme and lactic acid bacteria on the fermentation quality of mixed ensilage of perennial ryegrass and corn straw, four treatments including control(C), enzyme(E), lactic acid bacteria(LAB), enzyme and lactic acid bacteria(E LAB) were set. The fermentation quality of the mixed ensilage was analyzed after ensiling for 60 days. The results showed that adding enzyme or/and lactic acid bacteria could improve fermentation quality of mixed silage. The pH, contents of propionic and butyric acid in treatment E, LAB, and E LAB were significantly decreased(P<0.05), while the contents of LA, CP and WSC were higher than those in the control. Value of AN/TN in treatment E, LAB, and E LAB were lower than those in the control. Contents of neutral detergent fiber and acid detergent fiber in E and E LAB were lower than that of other treatments, but there were no significantly difference between LAB and the control. The results of V-Score showed that the silage added with lactic acid bacteria alone had highest score. Therefore, it was suggested that adding lactic acid bacteria alone was suitable to improve the fermentation quality of mixed ensilage of perennial ryegrass and corn straw.

CLC Number:

S816.5

李龙兴, and . Enzyme and Lactic Acid Bacteria Affecting Fermentation Quality of Mixed Silage of Perennial Ryegrass and Corn Straw[J]. Chinese Agricultural Science Bulletin, 2017, 33(5): 107-111.

References

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[20] McDonald P, Henderson A, Heron S J E. The Biochemistry of Silage (2th ed) [M]. Chalcombe Publications, Marlow, UK, 1991.
[21] 郭刚,原现军,林园园,闻爱友,荣辉,沈振西,余成群,邵涛. 添加糖蜜与乳酸菌对燕麦秸杆和黑麦草混合青贮品质的影响[J]. 草地学报,2014,02:409-413.
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