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Metagenomic Analysis of Silage
Published on: January 13, 2017
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Temperature and microbial changes of corn silage during aerobic exposure
Seong Shin Lee1, Hyuk Jun Lee1, Dimas Hand Vidya Paradhipta1,2
1Division of Applied Life Science (BK21Plus, Institute of Agriculture & Life Sciences), Gyeongsang National University, Jinju 52828, Korea.
Asian-Australasian Journal of Animal Sciences
|November 28, 2018
Summary
Corn silage temperature during aerobic exposure is primarily influenced by mold growth. Applying Lactobacillus buchneri (LB) inoculant improved the aerobic stability of Pioneer 1543 (PI) corn silages.
Area of Science:
- Agricultural Science
- Animal Nutrition
- Microbiology
Background:
- Silage quality is crucial for animal feed.
- Aerobic exposure can lead to spoilage and nutrient loss.
- Understanding factors affecting silage stability is important for livestock production.
Purpose of the Study:
- To assess temperature and microbial shifts in corn silages during aerobic exposure.
- To compare the effects of different corn hybrids and inoculants on silage quality and aerobic stability.
Main Methods:
- Two corn hybrids (Kwangpyeongok and Pioneer 1543) were ensiled with either Lactobacillus plantarum (LP) or Lactobacillus buchneri (LB) inoculants.
- Silages were analyzed for chemical composition, in vitro digestibility, and fermentation indices.
- Aerobic exposure was simulated to record temperature and microbial changes.
Main Results:
- Kwangpyeongok silages showed higher in vitro digestibility than Pioneer 1543.
- Lactobacillus buchneri (LB) inoculant increased acetate but decreased lactate concentration compared to Lactobacillus plantarum (LP).
- Pioneer 1543 silages exhibited higher temperatures and mold counts during aerobic exposure; LB inoculant improved aerobic stability in PI silages.
Conclusions:
- Silage temperature during aerobic exposure is mainly driven by mold proliferation.
- Lactobacillus buchneri inoculant enhances the aerobic stability of Pioneer 1543 corn silages.
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