Effects of the addition of essential oils cumimaldehyde, eugenol, and thymol on the in  vitro gas production and digestibility of alfalfa ( Medicago sativa L. ) silage

Salman, Mustafa; Muruz, Habip; Çetinkaya, Nurcan; Selçuk, Zehra; Kaya, İsmail

doi:10.3906/vet-1803-19

Cited by 3 publications

(1 citation statement)

References 17 publications

(23 reference statements)

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“…Therefore, how to ameliorate rumen-methane emissions became an attractive study topic. Several types of phytochemicals, including saponins (Rira et al, 2015), tannins (Fitri et al, 2021), essential oils (Salman et al, 2018), and alkaloids (Rira et al, 2015), had positive actions on mitigating greenhouse gas emissions in the rumen through modulating proportions and concentrations of volatile fatty acids or suppressing methanogens. However, the successful suppression of methane was usually accompanied by a considerable reduction in feed digestion.…”

Section: Introductionmentioning

confidence: 99%

Exploring the Addition of Herbal Residues on Fermentation Quality, Bacterial Communities, and Ruminal Greenhouse Gas Emissions of Paper Mulberry Silage

Chen

et al. 2022

Front. Microbiol.

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This study aimed to investigate the influence of herbal residues on the fermentation quality and ruminal fermentation of paper mulberry silage. Clove, mint, and purple perilla residues were used as additives. Silage treatments were designed as control (no additives), 5% of clove, 5% of mint, and 5% of purple perilla. After 21 and 75 days of fermentation, the fermentation characteristics, bacterial communities, and ruminal greenhouse gas emissions in vitro incubation of paper mulberry were analyzed. The results showed that the used herbal residues could reduce the protein losses in paper mulberry silage based on the lower contents of ammoniacal nitrogen and nonprotein nitrogen. Compared with control, higher lactic acid and propionic acid contents were observed in the silages treated with mint and purple perilla but with a higher acetic acid content in clove treatment. Real-time sequencing technology (single-molecule real-time) revealed that Lactobacillus was the dominant bacteria in all silages at the genus level, whereas the bacterial abundance in the treated silages differed greatly from control at the species level. Lactobacillus hammesii abundance was the highest in control, whereas Lactobacillus acetotolerans was the first predominant in the treated silages. All the additives enhanced the digestibility of in vitro dry matter significantly. However, purple perilla decreased the production of total gas, methane, and carbon dioxide. The findings discussed earlier suggested that herbal residues have potential effects in improving fermentation quality, reducing protein loss, and modulating greenhouse gas emissions in the rumen of paper mulberry silage by shifting bacterial community composition.

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Section: Introductionmentioning

confidence: 99%

Exploring the Addition of Herbal Residues on Fermentation Quality, Bacterial Communities, and Ruminal Greenhouse Gas Emissions of Paper Mulberry Silage

Chen

et al. 2022

Front. Microbiol.

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An in vitro Evaluation of the Silages in White Mulberry Pomace/Meadow Grass mixtures containing different levels of White Mulberry Pomace

Köksal¹,

Bölükbaş²,

Selçuk³

2021

Kocatepe Veterinary Journal

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This study was conducted to determine the in vitro gas production (GP), organic matter digestibility (OMD), and energy values of ensiled white mulberry pomace (WMP), meadow grass (MG), and the mixtures of the two crops at three different ratios. The silages in WMP/MG mixtures containing 100, 75, 50, 25, and 0% WMP were evaluated by using of ANKOM RF GP system. It was observed that increasing levels of WMP in the silages enhanced GP. Whereas the OMD value of WMP silage was highest (53.27%) among all silages, MG silage was the lowest (47.83%). Higher ME, NEL, and OMD values were obtained in WMP and MG mixture silage at a ratio of 75:25 compared with the other mixtures. The results indicated that the OMD, ME, NEL, and non-fiber carbohydrate values were positively correlated with r=0.966, r=0.981, and r=0.957, respectively). The results of the study showed that the OMD and energy values of WMP100/MG silage were higher than the other silages. In addition, since ensiling of WMP with MG at different ratios will be resulted in increases in OMD and energy values of WMP/MG silages, incorporating unusual silages like WMP/MG silage into diets may provide a benefit to reduce in cost of livestock production.

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Evaluation of Essential Oils as Additives during Fermentation of Feed Products: A Meta-Analysis

et al. 2023

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Essential oils (EOs) are secondary metabolites of plants with antimicrobial functions that can be used as silage additives, but their effectiveness has been inconsistent. Therefore, this study aimed to evaluate the effects of EOs as silage additives on nutritional quality, fermentative products, microbial population, and in vitro rumen fermentation. A total of 17 articles consisting of 113 studies (comparisons) were selected for meta-analysis. The results showed that EO supplementation increased several parameters of nutrient contents such as dry matter (DM), crude protein (CP), and ether extract (EE) (p < 0.05), but decreased crude fiber content and mold population (p < 0.05). EO supplementation also affected rumen fermentability, namely reduced gas production, organic matter digestibility, and some fermentation products such as total VFA, iso-butyrate, iso-valerate, acetic, and succinic acid (p < 0.05) but did not affect methane production. Sub-group analysis based on the source of EOs revealed that only cumin and oregano reduced mold population during ensiling (p < 0.05). These results showed that EO supplementation improved several nutrient qualities such as DM, CP, and EE, inhibiting mold growth and stabilizing rumen pH.

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Effects of the addition of essential oils cumimaldehyde, eugenol, and thymol on the in vitro gas production and digestibility of alfalfa ( Medicago sativa L. ) silage

Cited by 3 publications

References 17 publications

Exploring the Addition of Herbal Residues on Fermentation Quality, Bacterial Communities, and Ruminal Greenhouse Gas Emissions of Paper Mulberry Silage

Exploring the Addition of Herbal Residues on Fermentation Quality, Bacterial Communities, and Ruminal Greenhouse Gas Emissions of Paper Mulberry Silage

An in vitro Evaluation of the Silages in White Mulberry Pomace/Meadow Grass mixtures containing different levels of White Mulberry Pomace

Evaluation of Essential Oils as Additives during Fermentation of Feed Products: A Meta-Analysis

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