酶和乳酸菌对多年生黑麦草与玉米秸秆混合青贮发酵品质的影响

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

中国农学通报 ›› 2017, Vol. 33 ›› Issue (5): 107-111.doi: 10.11924/j.issn.1000-6850.casb16060043

所属专题：生物技术；玉米；小麦

酶和乳酸菌对多年生黑麦草与玉米秸秆混合青贮发酵品质的影响

王应芬,李龙兴,张明均,吴佳海

贵州省草地技术试验推广站,贵州省草地技术试验推广站,贵州省草地技术试验推广站,贵州省草业研究所

收稿日期:2016-06-08 修回日期:2016-07-22 接受日期:2016-07-25 出版日期:2017-03-01 发布日期:2017-03-01
通讯作者: 李龙兴
基金资助:
黔科合重大专项“贵州山区草地生产与草畜平衡技术应用研究”([2014]6017-03)

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

李龙兴, and

Received:2016-06-08 Revised:2016-07-22 Accepted:2016-07-25 Online:2017-03-01 Published:2017-03-01

摘要/Abstract

摘要： 为研究酶和乳酸菌对多年生黑麦草(Lolium perenne L.)与玉米(Zea mays L.)秸秆混合青贮发酵品质的影响，试验设4个处理，分别为对照(C)、酶制剂(E)、乳酸菌制剂(LAB)、酶乳酸菌制剂(E LAB)，60d后测定青贮饲料发酵品质。结果表明：添加酶或乳酸菌制剂均提高了玉米秸秆与多年生黑麦草混合青贮饲料的发酵品质。添加剂组pH、丙酸和丁酸含量显著降低(P<0.05)，氨态氮/总氮值低于(P>0.05)或显著低于(P<0.05)对照组，乳酸、粗蛋白和水溶性碳水化合物含量增加；E和E LAB组的中性洗涤纤维和酸性洗涤纤维含量均低于其他各组，而LAB组的中性洗涤纤维和酸性洗涤纤维含量与对照组无显著差异。V-Score评分结果表明LAB处理组青贮发酵品质分数最高。因此，在多年生黑麦草与玉米秸秆混合青贮实际生产过程中，单独使用乳酸菌即可达到理想的效果。

关键词: ANC, ANC, TRACER, 临近预报, 雷暴单体

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.

中图分类号:

S816.5

王应芬,李龙兴,张明均,吴佳海. 酶和乳酸菌对多年生黑麦草与玉米秸秆混合青贮发酵品质的影响[J]. 中国农学通报, 2017, 33(5): 107-111.

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.

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[10] 张增欣, 邵涛. 青贮添加剂研究进展[J]. 草业科学, 2006, (09):56-63.
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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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[23] 席兴军,韩鲁佳,原慎一郎,野中和久.添加乳酸菌和纤维素酶对玉米秸秆青贮饲料品质的影响[J].中国农业大学学报,2003,02:21-24.
[24] 郭旭生,丁武蓉,玉柱. 青贮饲料发酵品质评定体系及其新进展[J]. 中国草地学报,2008,04:100-106.

酶和乳酸菌对多年生黑麦草与玉米秸秆混合青贮发酵品质的影响

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

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