Effects of Different Additives on Fermentation Quality and Bacterial Community of High-moisture Whole-plant Corn Silage

doi:10.11733/j.issn.1007-0435.2021.04.027

Acta Agrestia Sinica ›› 2021, Vol. 29 ›› Issue (4): 842-847.DOI: 10.11733/j.issn.1007-0435.2021.04.027

Effects of Different Additives on Fermentation Quality and Bacterial Community of High-moisture Whole-plant Corn Silage

LU Yong-xiang^1,3, YAN Xian-ming², ZHOU Zhao-xiang², ZHU Hui-xian², GOU Wen-long³, YOU Ming-hong³, LI Da-xu³, CHEN Shi-yong¹, LI Ping^3*, BAI Shi-qie^1,3*

1. Southwest University for Minzu, Chengdu, Sichuan Province 610041, China;
2. Huidong County Black Goat Research Institute, Huidong, Sichuan Province 615200, China;
3. Sichuan Academy of Grassland Science, Chengdu, Sichuan Province 611731, China

Received:2020-10-31 Revised:2020-12-14 Published:2021-06-02
Contact: * E-mail:lpyzm@sina.cn;baishiqie@126.com

不同添加剂对高水分全株玉米青贮饲料发酵品质和细菌群落的影响

陆永祥^1,3*, 严显明², 周朝相², 朱会先², 苟文龙³, 游明鸿³, 李达旭³, 陈仕勇¹, 李平^3*, 白史且^1,3*

1.西南民族大学, 四川成都 610041;
2.会东县黑山羊研究所, 四川会东 615200;
3.四川省草原科学研究院, 四川成都 611731

通讯作者: * E-mail:lpyzm@sina.cn;baishiqie@126.com
作者简介:陆永祥(1996-),男,辽宁丹东人,硕士研究生,主要从事牧草生产与加工利用研究,E-mail:2489362105@qq.com
基金资助:
国家牧草产业技术体系阿坝综合试验站(CARS-34)资助

Abstract

Abstract: To explore the effects of lactobacillus plantarum and Sodium benzoate on the fermentation quality and bacterial community of whole corn silage with high moisture,the whole-plant corn was taken as ensiling material under three treatments in our study,including control,Lactobacillus plantarum and Sodium benzoate. And then,its chemical composition,fermentation profile and bacterial community were measured after 60 days silage. The results showed that Lactobacillus plantarum and Sodium benzoate had a certain effect on changing the bacterial community composition,and Lactobacillus was the dominant genus (>70%),but these two additives did not reduced the bacterial diversity of the high-moisture whole-plant corn silage. In contrast to control,the ammonia nitrogen content was significantly increased (P<0.05) under Lactobacillus plantarum,while pH was increased (P<0.05) and the organic acid content was decreased under Sodium benzoate.Therefore,the two additives have poor effects on improving the fermentation quality of high-moisture whole-plant corn silage.

Key words: Additive, Whole-plant corn, Silage, Fermentation quality, Bacterial community

摘要： 为探讨不同添加剂对高水分全株玉米(Zea mays L.)青贮饲料发酵品质和细菌群落的影响,本试验以乳熟期的全株玉米为原料,设置对照、添加苯甲酸钠和植物乳杆菌3个处理,青贮60 d后,测定其营养成分、发酵指标和细菌群落组成。结果表明:植物乳杆菌和苯甲酸钠均能使高水分全株玉米青贮饲料的细菌群落发生一定变化,并以乳杆菌属细菌为优势菌群(>70%);2种添加剂均未降低高水分全株玉米青贮饲料的细菌多样性;与对照相比,用植物乳杆菌处理高水分全株玉米青贮后,其氨态氮含量呈显著增加的趋势(P<0.05),用苯甲酸钠处理的高水分全株玉米青贮后,pH值升高(P<0.05),有机酸含量降低。因此,2种添加剂对高水分全株玉米青贮饲料发酵品质的改善效果不佳。

关键词: 添加剂, 全株玉米, 青贮, 发酵品质, 细菌群落

CLC Number:

S816.5+3

LU Yong-xiang, YAN Xian-ming, ZHOU Zhao-xiang, ZHU Hui-xian, GOU Wen-long, YOU Ming-hong, LI Da-xu, CHEN Shi-yong, LI Ping, BAI Shi-qie. Effects of Different Additives on Fermentation Quality and Bacterial Community of High-moisture Whole-plant Corn Silage[J]. Acta Agrestia Sinica, 2021, 29(4): 842-847.

陆永祥, 严显明, 周朝相, 朱会先, 苟文龙, 游明鸿, 李达旭, 陈仕勇, 李平, 白史且. 不同添加剂对高水分全株玉米青贮饲料发酵品质和细菌群落的影响[J]. 草地学报, 2021, 29(4): 842-847.

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Effects of Different Additives on Fermentation Quality and Bacterial Community of High-moisture Whole-plant Corn Silage

不同添加剂对高水分全株玉米青贮饲料发酵品质和细菌群落的影响

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