Características da fermentação e estabilidade aeróbia de silagens de milho inoculadas com Bacillus subtilis

Basso, Fernanda Gonçalves; Lara, E. C.; Assis, F. B.; Rabêlo, Carlos Henrique Silveira; Morelli, Marcela; Reis, Ricardo Andrade

doi:10.1590/s1519-99402012000400003

Cited by 19 publications

(25 citation statements)

References 13 publications

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“…Despite the high coefficient of variation observed for these variables, possibly resulting from the variation in the samplings, these results corroborate those found by Kung and Ranjit (2001), evaluating corn silages with the same microorganisms tested in the present experiment. Basso and Lara et al (2012) found that inoculation of Bacillus subtilis at a concentration of 5 x 10 5 CFU g -1 forage controlled the growth of spoilage microorganisms and improved aerobic stability in corn silages after opening the silos.…”

Section: Resultsmentioning

confidence: 97%

Aerobic stability in corn silage (Zea maysL.) ensiled with different microbial additives

Bumbieris

Guimarães

Fortaleza

et al. 2017

Acta Sci. Anim. Sci.

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ABSTRACT. This study aimed to assess different microbial additives, regarding the efficiency of aerobic stability in corn silages. The corn hybrid used for silages production was the DKB 310. . The experimental design was completely randomized with five replicates for each treatment. For the parameters evaluated daily, we used the split plot design, in which the different silages were assigned to the plots and the time of exposure to air was assigned to the subplots. There was no difference of additives on silage pH in any of the evaluation days. The control silage reached higher temperatures indicating greater vulnerability. All additives had no aerobic instability. Silages made with the use of microbial additives were effective in maintaining the aerobic stability.Keywords: aerobiosis, silage, fermentation, nutritional quality.Estabilidade aerobica em silagem de milho (Zea mays L.) ensilada com diferentes aditivos microbianos RESUMO. O objetivo deste trabalho foi avaliar diferentes aditivos microbianos, no tocante a eficiência da estabilidade aeróbia em silagens de milho. O híbrido de milho utilizado para cultivo e posterior confecção das silagens foi o DKB 310. Os tratamentos impostos às silagens foram: 1) Tratamento Controle, sem nenhum aditivo microbiano. 2) Tratamento com LPPA composto por: Lactobacillus plantarum CCT 0580 3,1x10 10

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Section: Resultsmentioning

confidence: 97%

Aerobic stability in corn silage (Zea maysL.) ensiled with different microbial additives

Bumbieris

Guimarães

Fortaleza

et al. 2017

Acta Sci. Anim. Sci.

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“…BS is one of the most important producers of metabolites with antifungal and antibacterial activity (Todovora and Kozhuharova 2009). Basso et al (2012) also found improvements in the aerobic stability of corn silage inoculated with BS.…”

Section: Discussionmentioning

confidence: 93%

“…The application rate of the inoculants was determined in accordance with Basso et al (2012) for tropical conditions. The correct amount of inoculants for each treatment was weighed to achieve the desired application rates.…”

Section: Experiments 1: Fermentative Profile and Nutritive Value Of Comentioning

confidence: 99%

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Changes in the nutritive value and aerobic stability of corn silages inoculated with Bacillus subtilis alone or combined with Lactobacillus plantarum

et al. 2016

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Chemical composition, fermentation characteristics, in vitro digestibility and aerobic stability were evaluated in corn silage inoculated with microbial additives in two different experiments. Inoculant treatments (untreated, Bacillus subtilis and B. subtilis combined with Lactobacillus plantarum) were applied to fresh forages. Chopped corn plants (2B655 Hx) were ensiled in laboratory silos for periods of 7, 14, 21 and 63 days to evaluate the fermentation parameters. The experimental silos were weighed to determine gas losses. After the ensiling period, the silage was sampled to determine chemical composition and in vitro organic matter digestibility. To evaluate aerobic stability, chopped corn plants (AG‐1051) were ensiled in laboratory silos that were opened after 96 days of ensiling. The silage was placed in different buckets containing data loggers. The silage was sampled after 0, 4, 8 and 12 days of exposure to air to evaluate the microbial populations and pH. The data were analysed as a completely randomised design using a mixed repeated-measures model in the MIXED procedure of SAS. To evaluate each treatment relative to the fermentation times, a regression analysis using the PROC REG procedure of SAS was applied. A significance level of P < 0.05 was used. Inoculation with both strains increased lactic acid concentration, whereas the use of B. subtilis alone or combined with L. plantarum improved in vitro apparent organic matter digestibility. In the B. subtilis and B. subtilis combined with L. plantarum silages, moulds and yeasts decreased, and aerobic stability was improved. Inoculation with B. subtilis alone or combined with L. plantarum improved the nutritional value and aerobic stability of corn silage.

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“…Various additives, including bacterial cultures, can be used to improve the nutritive value of silage. Nevertheless, data from studies evaluating the use of this type of additive are quite controversial (Muck 2004;Gimenes et al, 2006;Zopollatto et al, 2009;Basso et al, 2012;Santos et al, 2013;Lara et al, 2016;Mohammadzadeh et al, 2016). Although bacterial additives can favor dry matter recovery from ensiled material (Kung Júnior et al, 2003), co-products of the biofuel industry may also be used as alternative additives to improve the fermentation process (Van Cleef et al, 2012;Martins et al, 2014;Gomes et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Rehydration of dry corn grain as an alternative for conservation purposes

Mombach¹,

Pereira²,

Pina³

et al. 2018

Aust J Crop Sci

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Glycerol, the main constituent of crude glycerin, has high energy efficiency and may provide energy to microorganisms in silage. Therefore, we evaluated the effect of including crude glycerin (CG) and a bacterial inoculant on the chemical composition, losses, fermentation profile, microbial population and aerobic stability of rehydrated corn grain silage. The dry corn grain (800 g kg-1 dry matter (DM)) was milled to 5 mm and rehydrated with water and glycerin to achieve 32.5% moisture content. Crude glycerin was added at 0, 75, 150 and 225 g kg-1 (natural matter (NM)), with or without bacterial inoculant. The experiment was randomized, and included three replicates in a factorial scheme, with or without bacterial inoculant, four crude glycerin levels and five fermentation periods. CG inclusion in silage decreased the nitrogenous and fibrous fractions, gas losses, DM recovery, and microbial growth. However, CG addition increased effluent and total DM losses. Treatment with 0 and 75 g kg-1 CG (NM) resulted in lower pH (4.6; 4.28) at 64 days of fermentation. Silage without CG remained stable to oxygen after 12 days. The bacterial inoculant did not influence the variables analyzed. We conclude that CG inclusion, bacterial inoculant or a combination of these additives is not recommended for this type of material. Nevertheless, rehydration with water (125 g kg-1 DM) is an alternative for storage of corn grain silage through the ensiling process.

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Características da fermentação e estabilidade aeróbia de silagens de milho inoculadas com Bacillus subtilis

Cited by 19 publications

References 13 publications

<b>Aerobic stability in corn silage (<i>Zea mays</i>L.) ensiled with different microbial additives

<b>Aerobic stability in corn silage (<i>Zea mays</i>L.) ensiled with different microbial additives

Changes in the nutritive value and aerobic stability of corn silages inoculated with Bacillus subtilis alone or combined with Lactobacillus plantarum

Rehydration of dry corn grain as an alternative for conservation purposes

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