Management factors affecting preservation quality of grass silage: laboratory evaluation and on-farm case study

Silage quality significantly influences livestock production costs and environmental impacts. This study assessed the fermentation quality, preservation losses, aerobic stability and microbial quality of grass silages under varying management practices, including compaction methods and additive tre...

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Main Authors: Marcia Franco, Katariina Manni, Arto Huuskonen, Marketta Rinne
Format: Article
Language:English
Published: Scientific Agricultural Society of Finland 2025-04-01
Series:Agricultural and Food Science
Subjects:
Online Access:https://journal.fi/afs/article/view/156983
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author Marcia Franco
Katariina Manni
Arto Huuskonen
Marketta Rinne
author_facet Marcia Franco
Katariina Manni
Arto Huuskonen
Marketta Rinne
author_sort Marcia Franco
collection DOAJ
description Silage quality significantly influences livestock production costs and environmental impacts. This study assessed the fermentation quality, preservation losses, aerobic stability and microbial quality of grass silages under varying management practices, including compaction methods and additive treatments. In laboratory-scale, timothy and meadow fescue mixture was ensiled in 12-litre silos using three compaction methods (normal, loose, and normal followed by additional delayed compaction) and five additive treatments (control, homofermentative inoculant, heterofermentative inoculant, salt-based additive, and formic and propionic acid-based additive). Silage samples from three farms with aerobic stability issues were also analysed. In laboratory scale, chemical preservatives enhanced aerobic stability and minimized fermentation losses more effectively than biological inoculants. Heterofermentative inoculants increased acetic acid production, enhancing stability, while homofermentative inoculants had minimal impact on most parameters. Farm silages exhibited varied quality, with poor microbial quality linked with fast aerobic deterioration. Effective silage management practices, including oxygen limitation, proper compaction, and appropriate preservative application, are crucial to preventing spoilage and ensuring silage quality.
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spelling doaj-art-dd6e307b03b64265b0a43cc7d260c78e2025-08-20T01:48:49ZengScientific Agricultural Society of FinlandAgricultural and Food Science1459-60671795-18952025-04-0110.23986/afsci.156983Management factors affecting preservation quality of grass silage: laboratory evaluation and on-farm case studyMarcia Franco0Katariina Manni1Arto Huuskonen2Marketta Rinne3Natural Resources Institute Finland (Luke)Natural Resources Institute Finland (Luke)Natural Resources Institute Finland (Luke)Natural Resources Institute Finland (Luke) Silage quality significantly influences livestock production costs and environmental impacts. This study assessed the fermentation quality, preservation losses, aerobic stability and microbial quality of grass silages under varying management practices, including compaction methods and additive treatments. In laboratory-scale, timothy and meadow fescue mixture was ensiled in 12-litre silos using three compaction methods (normal, loose, and normal followed by additional delayed compaction) and five additive treatments (control, homofermentative inoculant, heterofermentative inoculant, salt-based additive, and formic and propionic acid-based additive). Silage samples from three farms with aerobic stability issues were also analysed. In laboratory scale, chemical preservatives enhanced aerobic stability and minimized fermentation losses more effectively than biological inoculants. Heterofermentative inoculants increased acetic acid production, enhancing stability, while homofermentative inoculants had minimal impact on most parameters. Farm silages exhibited varied quality, with poor microbial quality linked with fast aerobic deterioration. Effective silage management practices, including oxygen limitation, proper compaction, and appropriate preservative application, are crucial to preventing spoilage and ensuring silage quality. https://journal.fi/afs/article/view/156983silage additive, compaction, aerobic stability, formic acid, lactic acid bacteria
spellingShingle Marcia Franco
Katariina Manni
Arto Huuskonen
Marketta Rinne
Management factors affecting preservation quality of grass silage: laboratory evaluation and on-farm case study
Agricultural and Food Science
silage additive, compaction, aerobic stability, formic acid, lactic acid bacteria
title Management factors affecting preservation quality of grass silage: laboratory evaluation and on-farm case study
title_full Management factors affecting preservation quality of grass silage: laboratory evaluation and on-farm case study
title_fullStr Management factors affecting preservation quality of grass silage: laboratory evaluation and on-farm case study
title_full_unstemmed Management factors affecting preservation quality of grass silage: laboratory evaluation and on-farm case study
title_short Management factors affecting preservation quality of grass silage: laboratory evaluation and on-farm case study
title_sort management factors affecting preservation quality of grass silage laboratory evaluation and on farm case study
topic silage additive, compaction, aerobic stability, formic acid, lactic acid bacteria
url https://journal.fi/afs/article/view/156983
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AT katariinamanni managementfactorsaffectingpreservationqualityofgrasssilagelaboratoryevaluationandonfarmcasestudy
AT artohuuskonen managementfactorsaffectingpreservationqualityofgrasssilagelaboratoryevaluationandonfarmcasestudy
AT markettarinne managementfactorsaffectingpreservationqualityofgrasssilagelaboratoryevaluationandonfarmcasestudy