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Evaluation of biological and chemical additives on microbial community, fermentation characteristics, aerobic stability, and in vitro gas production of SuMu No. 2 elephant grass

文献类型： 外文期刊

作者： Shah, Assar Ali 1 ; Qian, Chen 1 ; Liu, Zhiwei 1 ; Wu, Juanzi 1 ; Sultana, Nighat 5 ; Mobashar, Muhammad 6 ; Wanapat, 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Anim Sci, Nanjing 210014, Peoples R China

2.Khon Kaen Univ, Trop Feed Resources Res & Dev Ctr TROFREC, Dept Anim Sci, Fac Agr, Khon Kaen, Thailand

3.Jiangsu Acad Agr Sci, Natl Forage Breeding Innovat Base, Nanjing, Peoples R China

4.Minist Agr & Rural Affairs, Key Lab Crop & Anim Integrated Farming, Nanjing, Peoples R China

5.Hazara Univ Mansehra, Dept Biochem, Khyber Pakhtunkhwa, Pakistan

6.Univ Agr Peshawar, Fac Anim Husb & Vet Sci, Dept Anim Nutr, Peshawar, Pakistan

关键词： aerobic stability; fermentation quality; in vitro gas production; microbiota analysis; SuMu No; 2 elephant grass

期刊名称：JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE （ 影响因子：2.614； 五年影响因子：2.945 ）

ISSN： 0022-5142

年卷期：

页码：

收录情况： SCI

摘要： BACKGROUND The study was conducted to evaluate the effects of biological and chemical additives on microbial community, fermentation characteristics, aerobic stability, and in vitro gas production of SuMu No. 2 elephant grass. RESULTS Aerobic bacteria and yeast were not affected on days 5 and 7 but were significantly (P < 0.224) reduced on days 14, 30, and 60, whereas lactic acid and lactic acid bacteria were significantly (P > 0.001) higher in all ensiling days within all treatment groups. During the ensiling days, the pH, acetic acid, butyric acid, and yeast were decreased in all treatment groups, whereas the Lactobacillus plantarum group and L. plantarum + natamycin group were highly significantly (P > 0.001) decreased. During air exposure, the water-soluble carbohydrates, ammonia nitrogen, lactic acid, and acetic acid were not affected on days 1-4, whereas pH and aerobic bacteria (were significantly (P < 0.05) increased on days 2-4. The addition of Lactobacillus plantarum and natamycin increased the gas production, in vitro dry matter digestibility, and in vitro neutral detergent fiber of SuMu No. 2 elephant grass silages. CONCLUSIONS The addition of biological and chemical additives, such as L. plantrum alone and the combination with natamycin, affected the undesirable microbial community, fermentation characteristics, aerobic stability, and in vitro gas of SuMu No. 2 elephant grass. (c) 2021 Society of Chemical Industry.

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