The beneficial effect of Enterococcus faecium on the in vitro ruminal fermentation rate and extent of three typical total mixed rations in northern China

Pang, Degong; Yang, Hsi-Chi; Cao, Binghai; Wu, T. T.; Wang, J.Q.

doi:10.1016/j.livsci.2014.06.008

Cited by 25 publications

(20 citation statements)

References 20 publications

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“…Aerobic bacteria and yeast counts in all silages gradually increased, and these in control, M and L silages were sharply increased to significantly (P < 0.05) higher value than those of E, EM and EL silages after 9 days of aerobic exposure. Table 2 shows that the CP concentration of TMR was 132 g/kg DM, which was lower than that of widely applied TMR in northern China (Pang et al, 2014), but it was similar to typical ration to dairy cows at mid to late lactation in Tibet (Chen et al, 2014).…”

Section: Aerobic Stability Of Tmr Silagesmentioning

confidence: 85%

The effect of different additives on the fermentation quality, in vitro digestibility and aerobic stability of a total mixed ration silage

Yuan

Guo

Wen

et al. 2015

Animal Feed Science and Technology

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Section: Aerobic Stability Of Tmr Silagesmentioning

confidence: 85%

The effect of different additives on the fermentation quality, in vitro digestibility and aerobic stability of a total mixed ration silage

Yuan

Guo

Wen

et al. 2015

Animal Feed Science and Technology

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“…It was lower than that of widely applied TMR in northern China (Pang et al . ). The population of LAB in TMR before ensiling was 5.60 log 10 cfu/g FW, which was lower than epiphytic LAB counts on forages (Lin et al .…”

Section: Discussionmentioning

confidence: 97%

Effects of ethanol, molasses and Lactobacillus plantarum on the fermentation quality, in vitro digestibility and aerobic stability of total mixed ration silages in the Tibetan plateau of China

Yuan

Wen

Wang

et al. 2015

Animal Science Journal

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In Tibet, it is common practice to make and relocate total mixed ration (TMR) silages before feeding due to the uneven distribution of forages temporally and spatially. This study was conducted to investigate the effects of Lactobacillus plantarum (L), molasses (M) or ethanol (E) on the fermentation quality and aerobic stability of local adaptive TMR silage. After 45 days of ensiling, pH and ammonia nitrogen in inoculated TMR silages were significantly lower than control. During the first 6 days of the aerobic exposure test, a small fluctuation in lactic acid concentration for all TMR silages was observed, and then silages with ethanol continued this trend, while lactic acid in silage without ethanol sharply decreased until the end of the aerobic exposure period. Meanwhile, pH gradually increased along the aerobic exposure; silages treated with ethanol showed lower pH after 9 days of aerobic exposure. The population of yeast gradually increased during 6 days of aerobic exposure, after that an accelerated rise was observed in TMR silages without ethanol. The combinational beneficial effect of L. plantarum and ethanol was found in combined addition of ethanol and Lactobacillus plantarum silages (EL), indicated by intermediate fermentation quality and higher aerobic stability.

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“…Enterococcus has a number of species that could thrive in a high load, high cellulose environment (Valdez‐Vazquez et al , ). Enterococcus faecium was found to increase fermentation rate and acid production from lignocellulosic substrate (Pang et al , ) while Enterococcus saccharolyticus was found during silage fermentation that degrade cellobiose and decrease pH (Kuikui et al , ), and, Enterococcus saccharolyticus and Enterococcus gallinarum were found producing H 2 in a microbial consortium composting cellobiose (Adav et al , ).…”

Section: Resultsmentioning

confidence: 99%

Molecular microbial ecology of stable versus failing rice straw anaerobic digesters

Zealand

Mei

Roskilly

et al. 2019

Microbial Biotechnology

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Summary Waste rice straw (RS) is generated in massive quantities around the world and is often burned, creating greenhouse gas and air quality problems. Anaerobic digestion (AD) may be a better option for RS management, but RS is presumed to be comparatively refractory under anaerobic conditions without pre‐treatment or co‐substrates. However, this presumption assumes frequent reactor feeding regimes but less frequent feeding may be better for RS due to slow hydrolysis rates. Here, we assess how feeding frequency (FF) and organic loading rate (OLR) impacts microbial communities and biogas production in RS AD reactors. Using 16S rDNA amplicon sequencing and bioinformatics, microbial communities from five bench‐scale bioreactors were characterized. At low OLR (1.0 g VS l−1 day−1), infrequently fed units (once every 21 days) had higher specific biogas yields than more frequent feeding (five in 7 days), although microbial community diversities were statistically similar (P > 0.05; ANOVA with Tukey comparison). In contrast, an increase in OLR to 2.0 g VS l−1 day−1 significantly changed Archaeal and fermenting Eubacterial sub‐communities and the least frequency fed reactors failed. ‘Stable’ reactors were dominated by Methanobacterium, Methanosarcina and diverse Bacteroidetes, whereas ‘failed’ reactors saw shifts towards Clostridia and Christensenellaceae among fermenters and reduced methanogen abundances. Overall, OLR impacted RS AD microbial communities more than FF. However, combining infrequent feeding and lower OLRs may be better for RS AD because of higher specific yields.

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The beneficial effect of Enterococcus faecium on the in vitro ruminal fermentation rate and extent of three typical total mixed rations in northern China

Cited by 25 publications

References 20 publications

The effect of different additives on the fermentation quality, in vitro digestibility and aerobic stability of a total mixed ration silage

The effect of different additives on the fermentation quality, in vitro digestibility and aerobic stability of a total mixed ration silage

Effects of ethanol, molasses and Lactobacillus plantarum on the fermentation quality, in vitro digestibility and aerobic stability of total mixed ration silages in the Tibetan plateau of China

Molecular microbial ecology of stable versus failing rice straw anaerobic digesters

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