Microbial Communities, Metabolites, Fermentation Quality and Aerobic Stability of Whole-Plant Corn Silage Collected from Family Farms in Desert Steppe of North China
文献类型： 外文期刊
作者： Wang, Chao 1 ; Sun, Lin 1 ; Xu, Haiwen 2 ; Na, Na 1 ; Yin, Guomei 1 ; Liu, Sibo 1 ; Jiang, Yun 1 ; Xue, Yanlin 1 ;
作者机构： 1.Inner Mongolia Acad Agr & Anim Husb Sci, Inner Mongolia Engn Res Ctr Dev & Utilizat Microb, Hohhot 010031, Peoples R China
2.Inner Mongolia Univ Finance & Econ, Coll Foreign Languages, Hohhot 010070, Peoples R China
3.Univ Florida, Dept Anim Sci, Gainesville, FL 32611 USA
关键词： whole-plant corn silage; bacterial community; fungal community; metabolites; fermentation quality; aerobic stability
期刊名称：PROCESSES （ 影响因子：2.753； ）
ISSN：
年卷期： 2021 年 9 卷 5 期
页码：
收录情况： SCI
摘要： Whole-plant corn silages on family farms were sampled in Erdos (S1), Baotou (S2), Ulanqab (S3), and Hohhot (S4) in North China, after 300 d of ensiling. The microbial communities, metabolites, and aerobic stability were assessed. Lactobacillus buchneri, Acinetobacter johnsonii, and unclassified Novosphingobium were present at greater abundances than others in S2 with greater bacterial diversity and metabolites. Lactobacillus buchneri, Lactobacillus parafarraginis, Lactobacillus kefiri, and unclassified Lactobacillus accounted for 84.5%, and 88.2%, and 98.3% of bacteria in S1, S3, and S4, respectively. The aerobic stability and fungal diversity were greater in S1 and S4 with greater abundances of unclassified Kazachstania, Kazachstania bulderi, Candida xylopsoci, unclassified Cladosporium, Rhizopus microspores, and Candida glabrata than other fungi. The abundances of unclassified Kazachstania in S2 and K. bulderi in S3 were 96.2% and 93.6%, respectively. The main bacterial species in S2 were L. buchneri, A. johnsonii, and unclassified Novosphingobium; Lactobacillus sp. dominated bacterial communities in S1, S3, and S4. The main fungal species in S1 and S4 were unclassified Kazachstania, K. bulderi, C. xylopsoci, unclassified Cladosporium, R. microspores, and C. glabrata; Kazachstania sp. dominated fungal communities in S2 and S3. The high bacterial diversity aided the accumulation of metabolites, and the broad fungal diversity improved the aerobic stability.
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