The effect of a chemical additive on the fermentation and aerobic stability of high-moisture corn
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The objective of this experiment was to evaluate the effect of a chemical additive on the fermentation and aerobic stability of high-moisture corn (HMC). Ground HMC (~63% dry matter) was untreated, or treated with an additive containing sodium benzoate, potassium sorbate, and sodium nitrite as active ingredients, at 0, 2, 3, or 4 L/t of fresh matter. Laboratory silos (7.5 L) were prepared and ensiled for 21 and 90d (4 silos/treatment per d of ensiling). Small bag silos were prepared for untreated HMC and HMC treated with 4 L/t of the additive and analyzed for nitrate-N and nitrite-N after 0, 3, and 7d of ensiling. The concentration of nitrate-N was similar between these 2 treatments and was below levels considered problematic for ruminants. Nitrite-N was greater in HMC treated with the high level of additive but was also very low for both treatments. Numbers of yeasts were similar among treatments in fresh HMC and decreased substantially after ensiling. Numbers of yeasts were similar among treatments after 21d of ensiling but after 90d they were lower in treated versus untreated HMC. Concentrations of organic acids (lactic, acetic, and propionic) and pH were not different among treatments at any time of ensiling. In contrast, treatment with the additive markedly decreased the concentration of ethanol in HMC after 21 and 90d when compared with untreated HMC. Treatment with all levels of the additive markedly improved the aerobic stability and improved the recovery of dry matter compared with untreated HMC. Overall, our findings suggest that the chemical additive used in this study has the potential to improve the fermentation and aerobic stability of HMC after a relatively short period (21d) and after a moderate length (90d) of ensiling.
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Addition of a product containing sodium benzoate, potassium sorbate, and sodium nitrite in proportions 200, 100, and 50 g/kg, respectively, at 2 L/t to high-moisture corn decreased yeast count and ethanol content and improved aerobic stability after 90 d of storage, with no further improvements at 3 and 4 L/t.
“Addition of a product containing sodium benzoate, potassium sorbate, and sodium nitrite in the proportions of 200, 100, and 50 g/kg, respectively, decreased yeast count and ethanol content resulting in improved aerobic stability after 90 d of storage when applied at 2 L/t to high-moisture corn (i.e., 0.4, 0.2, and 0.1 g/kg of fresh matter of sodium benzoate, potassium sorbate, and sodium nitrite,”
From Silage review: Recent advances and future uses of silage additives (2018) · cites this paper as Da Silva et al., 2015
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References 48 · Cited by 74
Research works printed but not linked: 4
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- Authors
- Da Silva, T. C., Smith, M. L., Barnard, A. M., & Kung, L.
- Affiliations
- University of Delaware (US)
- Corresponding author
- Kung, L.
- ORCID
- Venue
- Journal of Dairy Science
- Publisher
- American Dairy Science Association
- Published
- 2015-12
- Volume
- 98
- Issue
- 12
- Pages
- 8904-8912
- ISSN
- 0022-0302 (ISSN-L)
- OpenAlex
- W2175517485
- Cited by
- 74
- References
- 48
- Citations by year
- 2026: 1 · 2025: 3 · 2024: 8 · 2023: 8 · 2022: 6 · 2021: 8 · 2020: 14 · 2019: 8 · 2018: 8 · 2017: 6 · 2016: 4
- FWCI
- 12.97
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Journal of Dairy Science (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Council for Scientific and Technological Development
- 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
- Physical Sciences › Engineering › Mechanical Engineering › Agricultural Engineering and Mechanization
- Keywords
- high-moisture corn, silage additives, aerobic stability, silage fermentation, sodium benzoate, potassium sorbate, sodium nitrite, nitrate nitrogen, yeast count, ethanol, dry matter recovery, ruminant feed
- MeSH terms
- Zea mays, Fermentation, Silage, Sodium Nitrite, Sorbic Acid, Yeasts, Sodium Benzoate
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