Effects of extraction and reconstitution of ryegrass juice on fermentation, digestion andin situ degradation of pressed cake silage

Nishino, Norikazu; Miyase, K.; Ohshima, Mitsuaki; Yokota, Hiro Omi

doi:10.1002/(sici)1097-0010(199710)75:2<161::aid-jsfa854>3.0.co;2-q

Cited by 12 publications

(5 citation statements)

References 15 publications

(17 reference statements)

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“…Fermentation products of silages were determined from cold water extracts. Wet silage (20 g) was homogenized with 180 ml of distilled water and the filtrate was analysed for pH, lactic acid and NH 3 ‐N 7. Volatile fatty acids and alcohols in the filtrate were separated quantitatively using a gas chromatograph (Shimadzu GC‐14A, Kyoto, Japan) fitted with a glass capillary column (30 m × 0.53 mm) coated with ULBON HR‐20M (Shinwa Chemical Industries Ltd, Kyoto, Japan).…”

Section: Methodsmentioning

confidence: 99%

Evaluation of fermentation and aerobic stability of wet brewers' grains ensiled alone or in combination with various feeds as a total mixed ration

2003

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Wet brewer's grains (BG; 200 g kg −1 dry matter(DM)) were ensiled alone or in combination with various dry feeds as a total mixed ration (TMR; 540 g kg −1 DM) in laboratory silos. Ensilage was stopped at 40 days (experiment 1) or at 5, 20, 40 and 60 days (experiment 2) after storage. The composition of soluble sugars and the profiles of fermentation products were determined. The 60 day silages were subjected to aerobic deterioration and changes in silage temperature were recorded for 7 days. A rapid pH fall coupled with accelerated lactic acid production was observed in BG silage; soluble sugars, mainly composed of maltose and raffinose, completely disappeared within 5 days of ensiling. Prolonged storage, however, decreased lactic acid concentration and increased acetic acid greatly. Appreciable amounts of propionic acid and 1-propanol were also produced in BG silage in the late stages of fermentation. When TMR silage was made, the decline in pH and the increase in lactic acid were delayed due to the low moisture content. Acetic acid production was enhanced from the beginning of storage, and mannitol accumulated in TMR silage. Yeast numbers were lower in TMR than in BG silage, but the changes were limited in the late stages of fermentation. When exposed to air, the temperature of BG silage increased after 3 days, whereas that of TMR silage appeared stable during the 7 days test. The results indicate that BG is a suitable by-product for ensiling and, when ensiled with various feeds as a TMR, improved stability against aerobic deterioration can be expected.

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Section: Methodsmentioning

confidence: 99%

Evaluation of fermentation and aerobic stability of wet brewers' grains ensiled alone or in combination with various feeds as a total mixed ration

2003

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“…The pH was measured with a glass electrode pH meter. The concentration of NH 3 -nitrogen (N) was analyzed using indophenol blue method (Nishino, Miyase, & Ohshima, 1997). The organic acid was measured by high-performance liquid chromatography with Sodex RS Pak KC-811 column (Showa Denko K.K., Kawasaki, Japan), eluted using 3 mol/L HClO 4 at flow rate of 1.0 L/min at 40°C and detected at 210 nm using DAD detector SPD-20A (Shimadzu Co., Ltd, Kyoto, Japan) as reported previously by Liu, Chen, Zhang, Shi, and Cai (2012).…”

Section: Chemical Analysismentioning

confidence: 99%

Silage fermentation, chemical composition and ruminal degradation of king grass, cassava foliage and their mixture

Tang

et al. 2019

Grassland Science

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In order to improve the fermentation quality and nutritional value of king grass (KG) by using available local feed resources, silages were prepared using KG, KG supplemented with 10%, 20%, 30%, 40%, 50% fresh cassava foliage (CF), and CF. Their fermentation quality, chemical composition and ruminal degradation were examined after 30 days of ensiling. The results showed that CF silage contained 22.67% crude protein (CP) and 41.19% neutral detergent fiber (NDF) per dry matter (DM), while KG silage contained 8.36% CP and 60.44% NDF, indicating that KG silage had poor fermentation quality and low ruminal degradability. In addition, silage prepared with increased CF content had increased lactic acid, ether extract (EE), CP contents and relative feed value (p < 0.05), decreased butyric acid, NDF and acid detergent fiber (ADF) contents (p < 0.05) and increased ruminal degradability of DM, CP, NDF and ADF (p < 0.05). The results confirmed that CF supplementation could improve fermentation quality, chemical composition and ruminal degradation of mixed silage, and the optimal ratio of CF to KG for mixed silage was 50:50.

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“…The crops and silages were freeze‐dried to determine dry matter (DM). Lyophilized powders were used to determine total nitrogen, ash, neutral detergent fibre and acid detergent fibre (Nishino et al . 1997).…”

Section: Chemical and Microbial Analysesmentioning

confidence: 99%

Accumulation of 1,2-propanediol and enhancement of aerobic stability in whole crop maize silage inoculated with Lactobacillus buchneri

et al. 2003

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Aims: To assess the effects of inoculation of Lactobacillus buchneri on the ensiling properties and aerobic stability of maize silage. Methods and Results: Chopped whole crop maize was ensiled in 0AE5 litre airtight polyethylene bottles (0AE4 kg per bottle) and in double-layered, thin polyethylene bags (15 kg per bag), with or without inoculation of Lact. buchneri. The silos were stored for two to four months and the chemical composition, microbial numbers and aerobic stability were determined. Inoculation lowered lactic acid and yeasts, and increased acetic acid and pH value, resulting in improved aerobic stability of the silages. Inoculated silages produced 1,2-propanediol, the content of which increased as ensiling was prolonged, and nearly 50 g kg )1 dry matter had accumulated after four months of storage.The effects of inoculation, however, were much less pronounced in silages prepared in bags. Mannitol was found in all silages; the production was lowered by Lact. buchneri treatment and appeared to be unrelated to the accumulation of 1,2-propanediol. Conclusions: Inoculation of Lact. buchneri occasionally causes accumulation of 1,2-propanediol in silages without further degradation into propionic acid and 1-propanol. Significance and Impact of the Study: Substantial amounts of 1,2-propanediol could be consumed by ruminants when fed on silages inoculated with Lact. buchneri. In addition to increasing acetic acid, attention needs to be paid to 1,2-propanediol because the two fermentation products might affect the intake and utilization of silage-based diets.

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Effects of extraction and reconstitution of ryegrass juice on fermentation, digestion andin situ degradation of pressed cake silage

Cited by 12 publications

References 15 publications

Evaluation of fermentation and aerobic stability of wet brewers' grains ensiled alone or in combination with various feeds as a total mixed ration

Evaluation of fermentation and aerobic stability of wet brewers' grains ensiled alone or in combination with various feeds as a total mixed ration

Silage fermentation, chemical composition and ruminal degradation of king grass, cassava foliage and their mixture

Accumulation of 1,2-propanediol and enhancement of aerobic stability in whole crop maize silage inoculated with Lactobacillus buchneri

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