Dry matter concentration and corn silage density: Effects on forage quality

Krüger, Ana Maria; Lima, Paulo de Mello Tavares; Filho, Adibe Luiz Abdalla; Moro, Julienne De Geus; Carvalho, Igor Quirrenbach de; Abdalla, Adibe Luiz; Jobim, Clóves Cabreira

doi:10.17138/tgft(8)20-27

Cited by 7 publications

(1 citation statement)

References 5 publications

(9 reference statements)

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“…The high compaction could promote plant cell rupture and juice exudation and might promote LAB fermentation, quickly producing more LA and leading to a decreased pH [21]. It was found that the 800 g/L silage had a higher LA content and a lower pH than the 700 g/L and 600 g/L silages [22]. The LA/AA values of all silages were found to be above 3; this indicates that the fermentation process was predominantly homolactic [1], resulting in reduced fermentation losses, particularly in silages with high ensiling densities [23].…”

Section: Discussionmentioning

confidence: 99%

Effects of Ensiling Density on the Fermentation Profile and Aerobic Stability of Wilted Alfalfa Silage

Liu,

Li,

Yang

et al. 2024

Agronomy

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Silage quality and aerobic stability are the key factors affecting the utilization efficiency of silage feed, and ensiling density stands as the fundamental principle of silage making. The experiment presented here evaluates the effects of ensiling density on the silage quality and aerobic stability of alfalfa silage. In this experiment, alfalfa was harvested, wilted, chopped, and subsequently packed into 10 L laboratory silos. The ensiling densities were set to 800 g/L, 700 g/L, and 600 g/L, respectively, with three replicates in each group. Sampling and analysis were carried out at 45 days of silage and 8 days of aerobic exposure. The results showed that ensiling density significantly (p < 0.05) affected the content of ammonia nitrogen, Flieg score, the counts of yeast, and mold. After 45 days of ensiling, 800 g/L silage had the highest contents of dry matter, water-soluble carbohydrates, crude protein, lactic acid, and total organic acids, and the lowest pH and ammonia nitrogen compared to the 700 g/L and 600 g/L silage (p < 0.05). The Flieg score of 800 g/L silage was higher than those of the 700 g/L and 600 g/L silage. The counts of yeast and mold of 800 g/L silage was significantly lower than those of the 700 g/L and 600 g/L silage. During aerobic exposure, a consistent decrease in lactic acid and an increase in pH were observed among all silages. The aerobic stability of 800 g/L silage (156 h) was significantly higher than that in the 700 g/L (136 h) and 600 g/L silage (111 h). It was suggested that the increasing ensiling density above 800 g/L was an effective method to improve both the silage quality and the aerobic stability of alfalfa silage.

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Section: Discussionmentioning

confidence: 99%

Effects of Ensiling Density on the Fermentation Profile and Aerobic Stability of Wilted Alfalfa Silage

Liu,

Li,

Yang

et al. 2024

Agronomy

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Buffel grass pre-dried as a modulator of the fermentation, nutritional and aerobic stability profile of cactus pear silage

Borges

Araújo

Monteiro

et al. 2023

New Zealand Journal of Agricultural Research

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Additives and storage time for silage of pineapple crop waste

Freitas,

Guim,

Mello

et al. 2023

Pesq. agropec. bras.

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The objective of this work was to evaluate the effects of additives and storage time on the quality and aerobic deterioration of silages of pineapple crop waste. A completely randomized design was used, in a 3×3 factorial arrangement, with three treatments: pineapple waste silage without additives or with the addition of cornmeal or wheat bran (20% fresh matter) at three storage times (60, 90, and 120 days). After each storage time, losses and aerobic deterioration were quantified, chemical composition was analyzed, and digestibility assays were performed. The storage time of 120 days resulted in higher dry matter losses in all treatments. The additives incremented the dry matter contents of the pineapple-based silages, which went from 182.1 g kg−1 (control silage) to 298.7 and 297.6 g kg−1 (cornmeal and wheat bran, respectively). The control silage with the addition of cornmeal showed the highest dry matter digestibility (739.7 g kg−1) and lowest neutral detergent fiber content (251.9 g kg−1). The production of CO2 started to increase on the first day of air exposure in silages without additives, but only after six days in those with additives. Including cornmeal as an additive in the silage of pineapple crop waste improves its digestibility and reduces its deterioration speed.

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Dry matter concentration and corn silage density: Effects on forage quality

Cited by 7 publications

References 5 publications

Effects of Ensiling Density on the Fermentation Profile and Aerobic Stability of Wilted Alfalfa Silage

Effects of Ensiling Density on the Fermentation Profile and Aerobic Stability of Wilted Alfalfa Silage

Buffel grass pre-dried as a modulator of the fermentation, nutritional and aerobic stability profile of cactus pear silage

Additives and storage time for silage of pineapple crop waste

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