Dual sensor measurement shows that temperature outperforms pH as an early sign of aerobic deterioration in maize silage

Abstract High quality silage containing abundant lactic acid is a critical component of ruminant diets in many parts of the world. Silage deterioration, a result of aerobic metabolism (including utilization of lactic acid) during storage and feed-out, reduces the nutritional quality of the silage, a...

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Autores principales:	Guilin Shan, Wolfgang Buescher, Christian Maack, André Lipski, Ismail-Hakki Acir, Manfred Trimborn, Fabian Kuellmer, Ye Wang, David A. Grantz, Yurui Sun
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/960543b15ddd459da645a58a0b738e01
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spelling	oai:doaj.org-article:960543b15ddd459da645a58a0b738e012021-12-02T16:45:47ZDual sensor measurement shows that temperature outperforms pH as an early sign of aerobic deterioration in maize silage10.1038/s41598-021-88082-12045-2322https://doaj.org/article/960543b15ddd459da645a58a0b738e012021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-88082-1https://doaj.org/toc/2045-2322Abstract High quality silage containing abundant lactic acid is a critical component of ruminant diets in many parts of the world. Silage deterioration, a result of aerobic metabolism (including utilization of lactic acid) during storage and feed-out, reduces the nutritional quality of the silage, and its acceptance by animals. In this study, we introduce a novel non-disruptive dual-sensor method that provides near real-time information on silage aerobic stability, and demonstrates for the first time that in situ silage temperature (Tsi) and pH are both associated with preservation of lactic acid. Aerobic deterioration was evaluated using two sources of maize silage, one treated with a biological additive, at incubation temperatures of 23 and 33 °C. Results showed a time delay between the rise of Tsi and that of pH following aerobic exposure at both incubation temperatures. A 11 to 25% loss of lactic acid occurred when Tsi reached 2 °C above ambient. In contrast, by the time the silage pH had exceeded its initial value by 0.5 units, over 60% of the lactic acid had been metabolized. Although pH is often used as a primary indicator of aerobic deterioration of maize silage, it is clear that Tsi was a more sensitive early indicator. However, the extent of the pH increase was an effective indicator of advanced spoilage and loss of lactic acid due to aerobic metabolism for maize silage.Guilin ShanWolfgang BuescherChristian MaackAndré LipskiIsmail-Hakki AcirManfred TrimbornFabian KuellmerYe WangDavid A. GrantzYurui SunNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Guilin Shan Wolfgang Buescher Christian Maack André Lipski Ismail-Hakki Acir Manfred Trimborn Fabian Kuellmer Ye Wang David A. Grantz Yurui Sun Dual sensor measurement shows that temperature outperforms pH as an early sign of aerobic deterioration in maize silage
description	Abstract High quality silage containing abundant lactic acid is a critical component of ruminant diets in many parts of the world. Silage deterioration, a result of aerobic metabolism (including utilization of lactic acid) during storage and feed-out, reduces the nutritional quality of the silage, and its acceptance by animals. In this study, we introduce a novel non-disruptive dual-sensor method that provides near real-time information on silage aerobic stability, and demonstrates for the first time that in situ silage temperature (Tsi) and pH are both associated with preservation of lactic acid. Aerobic deterioration was evaluated using two sources of maize silage, one treated with a biological additive, at incubation temperatures of 23 and 33 °C. Results showed a time delay between the rise of Tsi and that of pH following aerobic exposure at both incubation temperatures. A 11 to 25% loss of lactic acid occurred when Tsi reached 2 °C above ambient. In contrast, by the time the silage pH had exceeded its initial value by 0.5 units, over 60% of the lactic acid had been metabolized. Although pH is often used as a primary indicator of aerobic deterioration of maize silage, it is clear that Tsi was a more sensitive early indicator. However, the extent of the pH increase was an effective indicator of advanced spoilage and loss of lactic acid due to aerobic metabolism for maize silage.
format	article
author	Guilin Shan Wolfgang Buescher Christian Maack André Lipski Ismail-Hakki Acir Manfred Trimborn Fabian Kuellmer Ye Wang David A. Grantz Yurui Sun
author_facet	Guilin Shan Wolfgang Buescher Christian Maack André Lipski Ismail-Hakki Acir Manfred Trimborn Fabian Kuellmer Ye Wang David A. Grantz Yurui Sun
author_sort	Guilin Shan
title	Dual sensor measurement shows that temperature outperforms pH as an early sign of aerobic deterioration in maize silage
title_short	Dual sensor measurement shows that temperature outperforms pH as an early sign of aerobic deterioration in maize silage
title_full	Dual sensor measurement shows that temperature outperforms pH as an early sign of aerobic deterioration in maize silage
title_fullStr	Dual sensor measurement shows that temperature outperforms pH as an early sign of aerobic deterioration in maize silage
title_full_unstemmed	Dual sensor measurement shows that temperature outperforms pH as an early sign of aerobic deterioration in maize silage
title_sort	dual sensor measurement shows that temperature outperforms ph as an early sign of aerobic deterioration in maize silage
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/960543b15ddd459da645a58a0b738e01
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Dual sensor measurement shows that temperature outperforms pH as an early sign of aerobic deterioration in maize silage

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