Fermentative profile and lactic acid bacterial dynamics in non-wilted and wilted alfalfa silage in tropical conditions

Agarussi, Mariele Cristina Nascimento; Pereira, Odilon Gomes; Silva, Vanessa Paula da; Leandro, Eliana dos Santos; Ribeiro, Karina Guimarães; Santos, Stefanie Alvarenga

doi:10.1007/s11033-018-4494-z

Cited by 47 publications

(52 citation statements)

References 31 publications

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“…Frequent rainfall resulting in high air humidity slowed the moisture loss during wilting. As reported by Agarussi et al (2019) and Tao et al (2017), wilting decreased the WSC concentration and crude protein content in fresh alfalfa. The 24-h wilting may have exacerbated the lack of WSC (17.56 g/kg DM) in this study.…”

Section: Characteristics Of Wilted Alfalfasupporting

confidence: 77%

“…The LA to AA ratio became much lower at 90 days in all treatments, indicating reduction in LA fermentation in the silage. The PA contents in silage were also out of the acceptable range of 1-10 g/kg DM (Agarussi et al, 2019). The NH 3 -N is considered a representative of amino acid deamination and decarboxylation (Scherer et al, 2015), which generally reduce the nutritional value of silage.…”

Section: Effects Of L Plantarum On Fermentation Properties Of Alfalfmentioning

confidence: 99%

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Lactobacillus plantarum Inoculants Delay Spoilage of High Moisture Alfalfa Silages by Regulating Bacterial Community Composition

et al. 2020

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The objective of this study was to investigate the mechanism of Lactobacillus plantarum (L. plantarum) involved in improving fermentation quality of naturally ensiled alfalfa under poor conditions. High-moisture wilted alfalfa was ensiled without inoculants (CK) or with inoculation of two L. plantarum additives (LPI and LPII). The pH and fermentation products of silage were determined after 30 and 90 days of ensiling. Additionally, the bacterial community compositions were analyzed. The L. plantarum inoculants significantly promoted lactic acid accumulation, and Lactobacillus abundance for both periods. At 90 days, silage in CK exhibited a high pH, a loss in dry matter, and a high concentration of ammoniacal nitrogen. The inoculations of L. plantarum significantly inhibited the growth of Clostridia, and reduced ammoniacal nitrogen concentration in silage (P < 0.05). Thus, inoculation with L. plantarum improved the fermentation quality of alfalfa silage and inhibited the growth of spoilage microorganisms, and further delayed spoilage of alfalfa silage under adverse ensiling conditions.

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Section: Characteristics Of Wilted Alfalfasupporting

confidence: 77%

Section: Effects Of L Plantarum On Fermentation Properties Of Alfalfmentioning

confidence: 99%

Lactobacillus plantarum Inoculants Delay Spoilage of High Moisture Alfalfa Silages by Regulating Bacterial Community Composition

et al. 2020

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“…The abovementioned differences might be related to the different microbial species in Acetobacter genus. Several physiological and metabolic characteristics influence the dominance of a given species, particularly the ability to use the available substrate, acid production and the growth rate (Agarussi et al 2019). Therefore, more attention should be paid in investigating the Acetobacter on the species level in the further studies.…”

Section: Effect Of Grass Microbiota and Ensiling Days On The Microbiamentioning

confidence: 99%

Assessment of inoculating various epiphytic microbiota on fermentative profile and microbial community dynamics in sterile Italian ryegrass

et al. 2020

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Aims: To evaluate the effects of various epiphytic microbiota from Italian ryegrass (IR), maize (MZ) and sorghum (SG) on fermentative profile and microbial community dynamics in sterile IR. Methods and Results: Using microbiota transplantation, the irradiated IR was treated with the following: (i) sterile water; (ii) epiphytic microbiota on IR (IRIR); (iii) epiphytic microbiota on MZ (IRMZ); (iv) epiphytic microbiota on SG (IRSG). After 60 days of ensiling, MZ and SG microbiota significantly (P < 0Á05) decreased lactic acid (LA) and acetic acid (AA) concentrations compared to IR microbiota, while SG microbiota notably (P < 0Á05) reduced the ratio of LA to AA than MZ and IR microbiota. Apparently (P < 0Á01) higher amounts of Lactobacillus genus were observed in IRIR and IRMZ groups on 60 day compared to IRSG group, and the dominant Lactococcus genus on 3 day was eventually replaced by Enterobacteriaceae and Lactobacillus in IRSG group. Conclusions: Exogenous microbiota could evidently affect the fermentative profile and microbial community dynamics of IR silage. The numbers of Enterobacteriaceae and Lactobacillus were mainly responsible for this. Significance and Impact of the Study: Identifying the role of microbe during ensiling is of great significance to manipulate the fermentation products and improve the preservation of silage.

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“…Several research teams have been searching for new strains able to perform better than the ones currently on the market. For example, Agarussi et al [21] searched for new promising strains for alfalfa silage inoculants and isolated Lactobacillus pentosus 14.7SE, L. plantarum 3.7E, Pediococcus pentosaceus 14.15SE, and a mixture of L. plantarum 3.7E and P. pentosaceus 14.15SE. The authors concluded that all of the tested strains had a positive effect on at least one chemical feature of the silage during the fermentation process, although the most promising strain found in that trial was the P. pentosaceus 14.15SE.…”

Section: Searching For New Forage Inoculants In Temperate and Tropicamentioning

confidence: 99%

Lactic Acid Bacteria as Microbial Silage Additives: Current Status and Future Outlook

Drouin¹,

Mari²,

Schmidt³

2020

New Advances on Fermentation Processes

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Silage making is not a novel technique. However, the agricultural industry has made great strides in improving our understanding of-and efficiency in-producing high-quality silage for livestock. Silage microbiology research has been using the newest molecular techniques to study microbial diversity and metabolic changes. This chapter reviews important research that has laid the foundation for field-based utilization of silage inoculants. We also outline areas of current, and future, research that will improve global livestock production through the use of silage.

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Fermentative profile and lactic acid bacterial dynamics in non-wilted and wilted alfalfa silage in tropical conditions

Cited by 47 publications

References 31 publications

Lactobacillus plantarum Inoculants Delay Spoilage of High Moisture Alfalfa Silages by Regulating Bacterial Community Composition

Lactobacillus plantarum Inoculants Delay Spoilage of High Moisture Alfalfa Silages by Regulating Bacterial Community Composition

Assessment of inoculating various epiphytic microbiota on fermentative profile and microbial community dynamics in sterile Italian ryegrass

Lactic Acid Bacteria as Microbial Silage Additives: Current Status and Future Outlook

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