Influence of microbial additive on microbial populations, ensiling characteristics, and spoilage loss of delayed sealing silage of Napier grass
Objective To measure whether a microbial additive could effectively improve the fermentation quality of delayed-sealing (DS) silage, we studied the effects of inoculants of lactic acid bacteria (LAB) and cellulase enzyme on microbial populations, ensiling characteristics, and spoilage loss of DS sil...
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| Format: | Article |
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Asian-Australasian Association of Animal Production Societies
2020-07-01
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| Series: | Asian-Australasian Journal of Animal Sciences |
| Subjects: | |
| Online Access: | http://www.ajas.info/upload/pdf/ajas-19-0471.pdf |
| _version_ | 1818284289717960704 |
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| author | Yimin Cai Zhumei Du Seishi Yamasaki Damiao Nguluve Benedito Tinga Felicidade Macome Tetsuji Oya |
| author_facet | Yimin Cai Zhumei Du Seishi Yamasaki Damiao Nguluve Benedito Tinga Felicidade Macome Tetsuji Oya |
| author_sort | Yimin Cai |
| collection | DOAJ |
| description | Objective To measure whether a microbial additive could effectively improve the fermentation quality of delayed-sealing (DS) silage, we studied the effects of inoculants of lactic acid bacteria (LAB) and cellulase enzyme on microbial populations, ensiling characteristics, and spoilage loss of DS silage of Napier grass in Africa. Methods Quick-sealing (QS) and DS silages were prepared with and without LAB (Lactobacillus plantarum) inoculant, cellulase enzymes, and their combination. The QS material was directly chopped and packed into a bunker silo. The DS material was packed into the silo with a delay of 24 h from harvest. Results In the QS silage, LAB was dominant in the microbial population and produced large amounts of lactic acid. When the silage was treated with LAB and cellulase, the fermentation quality was improved. In the DS silage, aerobic bacteria and yeasts were the dominant microbes and all the silages were of poor quality. The yeast and mold counts in the DS silage were high, and they increased rapidly during aerobic exposure. As a result, the DS silages spoiled faster than the QS silages upon aerobic exposure. Conclusion DS results in poor silage fermentation and aerobic deterioration. The microbial additive improved QS silage fermentation but was not effective for DS silage. |
| first_indexed | 2024-12-13T00:50:27Z |
| format | Article |
| id | doaj.art-6f1aac42b45649caa0a319af93caf1a6 |
| institution | Directory Open Access Journal |
| issn | 1011-2367 1976-5517 |
| language | English |
| last_indexed | 2024-12-13T00:50:27Z |
| publishDate | 2020-07-01 |
| publisher | Asian-Australasian Association of Animal Production Societies |
| record_format | Article |
| series | Asian-Australasian Journal of Animal Sciences |
| spelling | doaj.art-6f1aac42b45649caa0a319af93caf1a62022-12-22T00:04:57ZengAsian-Australasian Association of Animal Production SocietiesAsian-Australasian Journal of Animal Sciences1011-23671976-55172020-07-013371103111210.5713/ajas.19.047124375Influence of microbial additive on microbial populations, ensiling characteristics, and spoilage loss of delayed sealing silage of Napier grassYimin Cai0Zhumei Du1Seishi Yamasaki2Damiao Nguluve3Benedito Tinga4Felicidade Macome5Tetsuji Oya6 Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki 305-8686, Japan Department of Grassland Science, China Agricultural University, Beijing 100193, China Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki 305-8686, Japan Agricultural Research Institute of Mozambique, Matola 999068, Mozambique Agricultural Research Institute of Mozambique, Matola 999068, Mozambique Agricultural Research Institute of Mozambique, Matola 999068, Mozambique Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Ibaraki 305-8686, JapanObjective To measure whether a microbial additive could effectively improve the fermentation quality of delayed-sealing (DS) silage, we studied the effects of inoculants of lactic acid bacteria (LAB) and cellulase enzyme on microbial populations, ensiling characteristics, and spoilage loss of DS silage of Napier grass in Africa. Methods Quick-sealing (QS) and DS silages were prepared with and without LAB (Lactobacillus plantarum) inoculant, cellulase enzymes, and their combination. The QS material was directly chopped and packed into a bunker silo. The DS material was packed into the silo with a delay of 24 h from harvest. Results In the QS silage, LAB was dominant in the microbial population and produced large amounts of lactic acid. When the silage was treated with LAB and cellulase, the fermentation quality was improved. In the DS silage, aerobic bacteria and yeasts were the dominant microbes and all the silages were of poor quality. The yeast and mold counts in the DS silage were high, and they increased rapidly during aerobic exposure. As a result, the DS silages spoiled faster than the QS silages upon aerobic exposure. Conclusion DS results in poor silage fermentation and aerobic deterioration. The microbial additive improved QS silage fermentation but was not effective for DS silage.http://www.ajas.info/upload/pdf/ajas-19-0471.pdfaerobic deteriorationdelayed sealingmicrobial additivenapier grass silagequick sealing |
| spellingShingle | Yimin Cai Zhumei Du Seishi Yamasaki Damiao Nguluve Benedito Tinga Felicidade Macome Tetsuji Oya Influence of microbial additive on microbial populations, ensiling characteristics, and spoilage loss of delayed sealing silage of Napier grass Asian-Australasian Journal of Animal Sciences aerobic deterioration delayed sealing microbial additive napier grass silage quick sealing |
| title | Influence of microbial additive on microbial populations, ensiling characteristics, and spoilage loss of delayed sealing silage of Napier grass |
| title_full | Influence of microbial additive on microbial populations, ensiling characteristics, and spoilage loss of delayed sealing silage of Napier grass |
| title_fullStr | Influence of microbial additive on microbial populations, ensiling characteristics, and spoilage loss of delayed sealing silage of Napier grass |
| title_full_unstemmed | Influence of microbial additive on microbial populations, ensiling characteristics, and spoilage loss of delayed sealing silage of Napier grass |
| title_short | Influence of microbial additive on microbial populations, ensiling characteristics, and spoilage loss of delayed sealing silage of Napier grass |
| title_sort | influence of microbial additive on microbial populations ensiling characteristics and spoilage loss of delayed sealing silage of napier grass |
| topic | aerobic deterioration delayed sealing microbial additive napier grass silage quick sealing |
| url | http://www.ajas.info/upload/pdf/ajas-19-0471.pdf |
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