绿汁发酵液和纤维素酶对稻草青贮及稻草、甘蔗梢混合青贮品质的影响

doi:10.16431/j.cnki.1671-7236.2017.12.017

《中国畜牧兽医》 ›› 2017, Vol. 44 ›› Issue (12): 3512-3518.doi: 10.16431/j.cnki.1671-7236.2017.12.017

绿汁发酵液和纤维素酶对稻草青贮及稻草、甘蔗梢混合青贮品质的影响

宋鸽¹, 朱小清², 张诗¹, 庄益芬¹

1. 福建农林大学动物科学学院, 福州 350002;
2. 福建傲农生物科技集团股份有限公司, 厦门 361008

收稿日期:2017-07-17 出版日期:2017-12-20 发布日期:2017-12-20
通讯作者: 庄益芬 E-mail:yfzfz@163.com
作者简介:宋鸽(1985-),女,黑龙江牡丹江人,硕士,实验师,研究方向:动物营养与饲料,E-mail:961203190@qq.com
基金资助:
福建省教育厅科技项目（JK2009010）；国家菌草工程技术研究中心开放基金课题（JCJJ13017）

Effects of Fermented Green Juice and Cellulase on the Fermentation Quality of Rice Straw Silage and Rice Straw with Sugarcane Tip Mixed Silage

SONG Ge¹, ZHU Xiao-qing², ZHANG Shi¹, ZHUANG Yi-fen¹

1. College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
2. Fujian Aonong Biological Technology Group Co., Ltd., Xiamen 361008, China

Received:2017-07-17 Online:2017-12-20 Published:2017-12-20

摘要/Abstract

摘要：

本研究以稻草和甘蔗梢为青贮原料，调制稻草青贮及稻草与甘蔗梢混合青贮（混合比例为6：4（m/m））。在稻草青贮及稻草、甘蔗梢混合青贮中均设计添加2 mL/kg的绿汁发酵液组（FGJ）、3 mL/kg的纤维素酶组（CEL）、2 mL/kg绿汁发酵液+3 mL/kg纤维素酶的复合组（MIX）和对照组（CON），每个处理重复3次，室温条件下贮存60 d后开封，测定青贮的发酵品质和化学成分。结果显示，青贮原料稻草干物质中的可溶性碳水化合物（WSC）和粗蛋白质（CP）含量均低于甘蔗梢，而中性洗涤纤维（NDF）、酸性洗涤纤维（ADF）含量均高于甘蔗梢。稻草单独青贮后，与CON组相比，FGJ组的NDF、ADF、pH和氨态氮均极显著降低（P<0.01），WSC极显著增加（P<0.01），干物质回收率（DMR）升高；MIX组的NDF、ADF、pH、气体损失率（GLR）和氨态氮均极显著降低（P<0.01），乳酸、WSC及DMR升高；CEL组中除ADF显著降低外，其他指标也有不同程度的改善。与稻草青贮相比，稻草、甘蔗梢混合青贮的pH、氨态氮、NDF和半纤维素（HC）均降低，而DMR和WSC均明显升高。综上所述，绿汁发酵液及其与纤维素酶的复合添加剂对改善稻草青贮及稻草、甘蔗梢混合青贮品质的效果相近，且优于纤维素酶；稻草、甘蔗梢混合青贮的品质优于稻草青贮。

关键词: 稻草; 甘蔗梢; 绿汁发酵液; 纤维素酶; 青贮; 发酵品质

Abstract:

Rice straw and sugarcane tip were used as the silage materials in this research,and there were two groups:Rice straw silage and mixed silage of rice straw and sugarcane tip with the mixed ratio 6:4(m/m).Four treatment groups were set up in each silage:Control group (CON) and three treatment groups which added 2 mL/kg fermented green juice (FGJ),3 mL/kg cellulase (CEL) and 2 mL/kg FGJ+3 mL/kg CEL (MIX),and treatment was repeated 3 times. The materials were ensiled at room temperature for 60 days,and the fermentation quality and chemical compositions were tested. The result showed that for the two kinds of raw silage materials,the contents of WSC and CP in rice straw were lower than those in sugarcane tip,while the contents of NDF and ADF in rice straw were higher than those of sugarcane tip.Compared with the CON group,the NDF,ADF,pH and NH₃-N in FGJ group were extremely significantly decreased when rice straw was silaged alone (P<0.01),while WSC was extremely significantly increased (P<0.01),and DMR was increased. The NDF,ADF,pH,GLR and NH₃-N in MIX group were extremely significantly decreased (P<0.01),while lactic acid,WSC and DMR were increased. In CEL group, the ADF was significantly decreased (P<0.05), and other indicators also had improved in different degrees. Compared with rice straw silage,the NDF,HC,pH and NH₃-N of mixed silage were lower,while DMR and WSC were obviously increased. In conclusion,the fermented green juice and it compound with cellulase had the similar effects on improving the fermentation quality,and the effects were both better than that of cellulase. The fermentation quality of rice straw with sugarcane tip mixed silage was better than rice straw silage.

Key words: rice straw; sugarcane tip; fermented green juice; cellulase; silage; fermentation quality

中图分类号:

S816.5⁺3

宋鸽, 朱小清, 张诗, 庄益芬. 绿汁发酵液和纤维素酶对稻草青贮及稻草、甘蔗梢混合青贮品质的影响[J]. 《中国畜牧兽医》, 2017, 44(12): 3512-3518.

SONG Ge, ZHU Xiao-qing, ZHANG Shi, ZHUANG Yi-fen. Effects of Fermented Green Juice and Cellulase on the Fermentation Quality of Rice Straw Silage and Rice Straw with Sugarcane Tip Mixed Silage[J]. , 2017, 44(12): 3512-3518.

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绿汁发酵液和纤维素酶对稻草青贮及稻草、甘蔗梢混合青贮品质的影响

Effects of Fermented Green Juice and Cellulase on the Fermentation Quality of Rice Straw Silage and Rice Straw with Sugarcane Tip Mixed Silage

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