Silage review: Recent advances and future technologies for whole-plant and fractionated corn silage harvesting

Ferraretto, L.F.; Shaver, R.D.; Luck, Brian D.

doi:10.3168/jds.2017-13728

Cited by 139 publications

(125 citation statements)

References 61 publications

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“…For BRS capiaçu, the harvest window between 90 and 120 days would be ideal because they have high productivity of digestible mass per unit area. In addition, the DM content is close to that recommended for ensiling the mass produced, although moisture reducing additives are recommended to raise the DM content to at least 28% (FERRARETTO et al, 2018;BORREANI et al, 2018).…”

Section: Resultsmentioning

confidence: 87%

Yield and nutritional value of BRS Capiaçu grass at different regrowth ages

Monção

Costa

Rigueria

et al. 2019

SCA

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The objective was to evaluate the productivity, chemical composition, ruminal degradability of dry matter and digestibility of BRS capiaçu grass (Pennisetum purpureum Schum.) managed at five regrowth ages. A completely randomized design with ten replications was used in the BRS capiaçu elephant grass subjected to five cutting intervals (30, 60, 90, 120 and 150 days) in the summer, making a total of 50 plots with a useful area of 4 x 2 m. There were daily increases in the dry matter production in the order of 382 kg ha-1, with 49,859 kg ha-1 being produced at 150 regrowth days. The dry matter content and organic matter linearly increased (P < 0.01) at different regrowth ages. The crude protein content, in vitro dry matter digestibility and in vitro digestibility of neutral detergent fiber linearly reduced (P < 0.01) 0.037%, 0.196% and 0.256% per day, respectively. Potential degradability of dry matter decreased from 68.9% at 30 days to 44.7% at 150 regrowth days (0.194 percentage units per day). The rate of degradation of fraction B 'c' was not modified (P = 0.94), averaging 1.46% hour-1. In the cultivation of BRS capiaçu elephant grass in the summer season, in the northern region of Minas Gerais, the age for harvesting between 90 and 120 days of regrowth is recommended.

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Section: Resultsmentioning

confidence: 87%

Yield and nutritional value of BRS Capiaçu grass at different regrowth ages

Monção

Costa

Rigueria

et al. 2019

SCA

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“…Whole-plant corn silage has become the predominant forage to provide fibre and energy in dairy cattle diets, and it is generally conserved worldwide through ensiling [1]. The success and efficiency of silage depend on the acidification that occurs when, in an anaerobic environment, a sufficient amount of lactic acid is produced by the population of lactic acid bacteria present in the forage at harvesting [2].…”

Section: Introductionmentioning

confidence: 99%

Feasibility of Utilizing Biodegradable Plastic Film to Cover Corn Silage under Farm Conditions

2020

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The degree of anaerobiosis and its maintenance over the conservation period are key factors in obtaining high quality silage. There is currently a demand to replace petroleum-based plastic films with biodegradable materials with suitable mechanical properties. This work has evaluated, under outdoor conditions, the shelf life of a Mater-Bi® biodegradable plastic (MB) film and its effects on the fermentative characteristics, microbial counts and aerobic stability of corn silage, and compared it with commercially available polyethylene (PE) and high oxygen barrier (OB) films. Corn (409 g DM/kg) was ensiled in 30 drive-over piles covered with MB, PE or OB films. The piles were opened after 21, 85, 133, 195 and 230 d of conservation. The effect of the film was assessed in silage sample close to (CF) and far (FF) from the film. The OB film allowed high quality corn silages to be obtained with similar pH, lactic acid, yeast and mold counts for CF and FF during the entire 230 d of conservation. The PE film showed similar values for the FF and CF areas for the first conservation period (until 133 d). The MB film showed a similar silage quality to OB until day 85, after which it underwent biodegradation and lost its ability to preserve silage in a good state.

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“…The fermentation process of silage can be influenced by DM content and by the chemical characteristics of the green chopped whole plant, stage of maturity at harvest, mechanical processing, speed of packing, packing density, addition of inocula, and the sealing material used on silos. (Borreani, Tabacco, Schmidt, Holmes, & Muck, ; Ferraretto, Shaver, & Luck, ; Wilkinson & Rinne, ). However, to optimize the ensiling process, it is also necessary to better characterize the different maize hybrids or maize hybrid classes for their ensilability, by verifying their fermentative responses to different growing conditions and management factors, such as their maturity at harvest.…”

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

Effect of maturity stage at harvest on the ensilability of maize hybrids in the early and late FAO classes, grown in areas differing in yield potential

Marchesini

Serva

Chinello

et al. 2019

Grass and Forage Science

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The aim of this study was to assess the effects of earliness (according to FAO class), maturity stage at harvest and environmental conditions on the ensilability of maize hybrids described by their fermentation products and by a fermentation quality index (FQI). Maize hybrids belonging to early (n = 14) and late (n = 15) FAO classes were grown in low, medium and high potential yield areas and harvested at an early (EH), medium (MH) and late maturity stage (LH), that is, at 1/3, 2/3 and 5 d after the 2/3 milk line stage, respectively, according to a split‐plot design. Upon harvest, each sample (n = 522) was analysed for dry matter (DM) and water‐soluble carbohydrates (WSC) before being ensiled in vacuum‐packed bags (n = 1,044). After 60 days of conservation, samples were analysed for DM and fermentation products. In the pre‐ensiling phase, DM was higher in early hybrids (p = .001), low yield areas (p < .001) and at LH maturity (p < .001), whereas WSC contents were higher in early hybrids (p < .001), medium yield areas (p < .001) and at EH maturity (p < .001). With regard to silages, early hybrids had a higher FQI (p < .001), which was highest in areas with a high yield potential (p < .01) and at EH maturity (p < .01). Late hybrids proved to be better suited for low yield areas compared with early hybrids (p < .01) and had a higher FQI at EH and MH than at LH maturity (p < .01).

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Silage review: Recent advances and future technologies for whole-plant and fractionated corn silage harvesting

Cited by 139 publications

References 61 publications

Yield and nutritional value of BRS Capiaçu grass at different regrowth ages

Yield and nutritional value of BRS Capiaçu grass at different regrowth ages

Feasibility of Utilizing Biodegradable Plastic Film to Cover Corn Silage under Farm Conditions

Effect of maturity stage at harvest on the ensilability of maize hybrids in the early and late FAO classes, grown in areas differing in yield potential

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