Chemical composition of corn silage produced by scientific studies in Brazil—A meta-analysis
Open accessAbstract
The objective of the present study was to perform a meta-analysis that compared the chemical composition of corn silage produced for different experimental purposes, i.e., by research groups that studied corn silage (SCS) or by research groups that only used corn silage (UCS) as a form of roughage. We analyzed 203 papers that were published between January 1994 and December 2014 and contained a total of 647 treatments and the analysis of 1701 silos. We found a significant difference (P < 0.0001) in the dry matter (DM) content of SCS silage (33.00%) and that of UCS silage (30.64%). The DM contents of neutral detergent fiber for the SCS and UCS silage were high (54.72 and 55.14% DM, respectively) but were not significantly different from one another (P = 0.5936), and the acid detergent fiber content of the UCS silage (31.04% DM) was higher than that of the SCS silage (29.65%, P = 0.0214), which indicated that the UCS silage was less digestible than the SCS silage. This was also corroborated (P = 0.0064) by the mean content of total digestible nutrients (64.18% DM) in the UCS silage, which likely results from the lower level of care taken when using standard silage production methods, compared to that taken by SCS researchers. Therefore, we concluded that the corn silage produced by research groups in Brazil are not analyzed in full and that, as a result, there is a paucity of important information, such as the content of organic acids. In addition, we also found that corn silage produced in Brazil contains a high level of neutral detergent fiber.
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Recent meta-analyses reported differences among studies in the chemical composition of whole-plant maize silage produced for different experimental purposes.
“Recent meta-analyses compared research data on the chemical composition of WPMS produced for different experimental purposes (i.e., research groups that studied maize silage or that only used maize silage as a form of roughage) and reported differences among studies [15].”
From The Effects of Short-Time Delayed Sealing on Fermentation, Aerobic Stability and Chemical Composition on Maize Silages (2023) · cites this paper as [15]
The pH values of the evaluated silages were within the range commonly reported in the literature for well-preserved silages.
“Analyzing the effects of air exposure on the treatments tested, we observed that the pH values of the evaluated silages were within the range commonly reported in the literature for well-preserved silages [15].”
From The Effects of Short-Time Delayed Sealing on Fermentation, Aerobic Stability and Chemical Composition on Maize Silages (2023) · cites this paper as [15]
The fermentation products lactate, acetate, and ethanol of the experimental silages were within the typical range previously reported for well-preserved silages.
“The fermentation products (lactate, acetate, and ethanol) of the experimental silages were within the typical range previously reported in the literature for well-preserved silages [13,15].”
From The Effects of Short-Time Delayed Sealing on Fermentation, Aerobic Stability and Chemical Composition on Maize Silages (2023) · cites this paper as [15]
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- Authors
- Zardin, P. B., Velho, J. P., Jobim, C. C., Alessio, D. R. M., Haygert-Velho, I. M. P., Conceição, G. M. D., & Almeida, P. S. G.
- Affiliations
- Universidade Federal de Santa Maria (BR)
- Universidade Estadual de Maringá (BR)
- Universidade do Estado de Santa Catarina (BR)
- ORCID
- Venue
- Semina Ciências Agrárias
- Publisher
- Universidade Estadual de Londrina
- Published
- 2017-03-02
- Volume
- 38
- Issue
- 1
- Pages
- 503
- ISSN
- 1676-546X (ISSN-L)
- 1679-0359
- OpenAlex
- W2592082608
- Cited by
- 31
- References
- 7
- Citations by year
- 2026: 2 · 2025: 3 · 2024: 2 · 2023: 4 · 2022: 4 · 2021: 6 · 2020: 5 · 2019: 4 · 2018: 1
- FWCI
- 0.44
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Semina Ciências Agrárias (publishedVersion, cc-by-nc)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, other-oa)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by-nc)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Redalyc (Universidad Autónoma del Estado de México) (submittedVersion)
- Funders
- Universiti Kebangsaan Malaysia
- Financiadora de Estudos e Projetos (01/2010)
- Universidade Federal de Santa Maria
- Topics
- Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
- Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Crop Yield and Soil Fertility
- Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
- Keywords
- corn silage, chemical composition, dry matter content, neutral detergent fiber, acid detergent fiber, total digestible nutrients, silage digestibility, organic acids, roughage, silage quality
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