Cited by 24Ruminant Nutrition and Digestive PhysiologyAnimal Nutrition and PhysiologyMycotoxins in Agriculture and Food

Influence of microbial additive on microbial populations, ensiling characteristics, and spoilage loss of delayed sealing silage of Napier grass

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Cai, Yimin, Du, Zhumei, Yamasaki, Seishi, Nguluve, Damiao, Tinga, Benedito, Macome, Felicidade, Oya, Tetsuji·2020·Asian-Australasian Journal of Animal Sciences

Abstract

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.

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Authors
Cai, Y., Du, Z., Yamasaki, S., Nguluve, D., Tinga, B., Macome, F., & Oya, T.
Affiliations
  • Japan International Research Center for Agricultural Sciences (JP)
  • China Agricultural University (CN)
  • Instituto de Investigação Agrária de Moçambique (MZ)
Corresponding author
Cai, Yimin
Venue
Asian-Australasian Journal of Animal Sciences
Published
2020-07-01
Volume
33
Issue
7
Pages
1103-1112
ISSN
  • 1011-2367 (ISSN-L)
  • 1976-5517
OpenAlex
W2970929316
Cited by
24
References
16
Citations by year
2026: 2 · 2025: 2 · 2024: 5 · 2023: 6 · 2022: 4 · 2021: 4
FWCI
2.81
Type
journal article
Language
en
Open access
Locations
  • Asian-Australasian Journal of Animal Sciences (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Greater South Information System
Funders
Food Security in Africa
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Mycotoxins in Agriculture and Food
Keywords
Pennisetum purpureum, microbial inoculants, lactic acid bacteria, Lactobacillus plantarum, cellulase enzymes, silage fermentation quality, aerobic spoilage, yeast and mold counts, bunker silos, forage preservation

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