Cited by 28Mycotoxins in Agriculture and FoodRuminant Nutrition and Digestive PhysiologyAgricultural Engineering and Mechanization

Evolution of fungal populations in corn silage conserved under polyethylene or biodegradable films

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Spadaro, D., Bustos-Lopez, M.P., Gullino, M.L., Piano, S., Tabacco, E., Borreani, G.·2015·Journal of Applied Microbiology

Abstract

AIMS: To identify cultivable filamentous fungi before ensiling, after silage conservation, in farm-silos covered with two different plastic films (polyethylene (PE) vs biodegradable (MB)), as well as after aerobic exposure of whole-crop corn silage. METHODS AND RESULTS: Molecular techniques coupled with traditional microbial counting were utilized to identify the predominant fungal species. The cultivable fungal population changed remarkably from harvesting to silo opening. Anaerobiosis and low pH reduced mould count and the presence of Fusarium species both under PE and MB film. However, in the peripheral areas of the silo, where air penetration could not be completely prevented, the fungal population did not decrease. The predominant fungal species after aerobic exposure of silage was Aspergillus fumigatus, without differences between the two plastic films. CONCLUSIONS: Maintenance of anaerobiosis and a low pH also in the upper layer of the silo reduce the risk of mould growth during corn silage feed-out. SIGNIFICANCE AND IMPACT OF THE STUDY: Even if the new MB plastic film did not completely maintain the anaerobiosis in the upper layer of silage, the overall silage quality was not compromised and was similar to that observed under PE, indicating that the development and use of MB film to cover silage is promising, but needs some improvement.

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  • Some of these effects are connected to the proliferation of potentially pathogenic or otherwise undesirable microorganisms and mycotoxin synthesis.

    “Some of these effects are connected to the proliferation of potentially pathogenic or otherwise undesirable microorganisms (Lindgren et al., 2002; Driehuis, 2013; Spadaro et al., 2015) and mycotoxin synthesis (Korosteleva et al., 2007; Richard et al., 2009; Cavallarin et al., 2011; Ogunade et al., 2016).”

    From Silage review: Factors affecting dry matter and quality losses in silages (2018) · cites this paper as Spadaro et al., 2015

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Research works printed but not linked: 1

  1. Scudamore, K.A., and Livesey, C.T. (1998) Occurrence and significance of mycotoxins in forage crops and silage: a 444 review. J Sci Food Agric 77, 1-17. 445

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Authors
Spadaro, D., Bustos-Lopez, M. P., Gullino, M. L., Piano, S., Tabacco, E., & Borreani, G.
Affiliations
  • University of Turin (IT)
  • Centre of Competence for Innovation in the Agro-environmental Sector (AGROINNOVA); University of Torino; Grugliasco Italy
Corresponding author
Borreani, G.
Venue
Journal of Applied Microbiology
Published
2015-06-16
Volume
119
Issue
2
Pages
510-520
ISSN
1364-5072 (ISSN-L)
OpenAlex
W2157847448
Cited by
28
References
47
Citations by year
2026: 1 · 2024: 1 · 2023: 2 · 2022: 5 · 2021: 3 · 2020: 2 · 2019: 3 · 2018: 5 · 2017: 3 · 2016: 3
FWCI
4.44
Type
journal article
Language
en
Open access
Locations
  • Journal of Applied Microbiology (publishedVersion)
  • PubMed (publishedVersion)
  • Institutional Research Information System University of Turin (University of Turin) (submittedVersion, other-oa)
Funders
Regione Piemonte (POR. FESR 07-13-ASSE I.1.1)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Mycotoxins in Agriculture and Food
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
  • Physical Sciences › Engineering › Mechanical Engineering › Agricultural Engineering and Mechanization
Keywords
corn silage, silage preservation, biodegradable plastic film, polyethylene film, filamentous fungi, fungal population dynamics, aerobic exposure, anaerobic conditions, silage pH, Fusarium, Aspergillus fumigatus
MeSH terms
Zea mays, Fungi, Silage, Polyethylene

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