Bacterial community dynamics during the ensilage of wilted grass

Journal of Applied Microbiology
Joseph McEniryE M Doyle

Abstract

Grass silage is the product formed by a natural lactic acid bacterial fermentation when grass is stored under anaerobic conditions, and represents an important ruminant feedstuff on farms during winter. Of the two commonly employed methods of ensiling forage, baled silage composition frequently differs from that of comparable precision-chop silage reflecting a different ensiling environment. The aim of this study was to investigate the dynamics of the silage fermentation in wilted grass and between ensiling systems. Fermentation dynamics were examined using traditional methods of silage analyses, including microbial enumeration and analysis of fermentation products, and culture-independent terminal restriction fragment length polymorphism (T-RFLP). A successful fermentation was achieved in both systems, with the fermentation (increase in lactic acid bacteria and lactic acid concentration, decrease in pH) proceeding rapidly once the herbage was ensiled. Under controlled conditions, little difference in silage quality and microbial composition were observed between ensiling systems and this was further reflected in the T-RFLP community analysis. T-RFLP proved a potentially useful tool to study the ensilage process and could provi...Continue Reading

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Citations

Jul 19, 2012·World Journal of Microbiology & Biotechnology·Emel Banu Buyukunal Bal, Mehmet Ali Bal
Mar 8, 2016·Animal Science Journal = Nihon Chikusan Gakkaihō·Qing ZhangZhu Yu
May 12, 2010·Journal of Applied Microbiology·I M L D StormU Thrane
Jun 25, 2009·Journal of Applied Microbiology·S Parvin, N Nishino
Apr 25, 2018·Journal of Dairy Science·T A McAllisterR Zaheer
Jul 30, 2019·Frontiers in Microbiology·Jitendra KeshriShlomo Sela Saldinger
Oct 3, 2020·Microorganisms·Humberto Ramírez-VegaL X Zelaya-Molina
May 4, 2021·Frontiers in Microbiology·Luigimaria BorrusoLorenzo Brusetti

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