Effects of UV radiation on the process of wilting and application of additives at ensiling on the fermentation quality of Siberian wildrye silage on the Qinghai‐Tibetan plateau

Li, Ping; Tang, Haiyang; Tian, Feng; Zhang, Yu; Qu, Hui; Bai, Shiqie; Shen, Yixin

doi:10.1111/grs.12174

Cited by 8 publications

(6 citation statements)

References 24 publications

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“…The fermentation of the wilted silage exhibited a higher target ensiling DM due to elevated total VFA and LA concentrations. The ensiling quality at wilted is usually better than that fresh [ 21 ], which is consistent with the results of this study. The presence of BA in silage is undesirable given that its generation is an energy-waste metabolism and BA>5 g/kg DM is an indicator of substantial clostridial activity reducing feed intake and causing health issues [ 22 ].…”

Section: Discussionsupporting

confidence: 92%

Effects of wilting and additives on the ensiling quality and in vitro rumen fermentation characteristics of sudangrass silage

et al. 2021

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Objective: To investigate the effects of molasses and Lactobacillus plantarum on the ensiling quality and in vitro rumen fermentation of sudangrass silage prepared with or without wilting. Methods: The ensiling experiment, measured with 3 replicates, was carried out according to a 2 × 4 (wilted stages × additives) factorial treatment structure. Dry matter of the fresh (210 g/kg fresh matter) or wilted (305 g/kg fresh matter) sudangrass were ensiled (packed into 5.0-L plastic jars) without additive (control) or with molasses (M), Lactobacillus plantarum (LP), or molasses + Lactobacillus plantarum (M+LP). After 60 days of ensiling, the silages were analyzed for the chemical, fermentation and in vitro characteristics. Results: After 60 days of ensiling, the fermentation parameters were affected by wilted, the additives and the interactions of wilted with the additives (p<0.05). The M+LP treatment at wilted had higher lactic acid levels and V-score (p<0.05) but lower pH values and butyric acid concentrations than the other treatments. In comparison with sudangrass before ensiling, after ensiling had lower dry matter and higher non-fibrous carbohydrate. The in vitro gas production, in vitro dry matter digestibility, in vitro crude protein digestibility, and in vitro acid fiber detergent digestibility changed under the effects of the additives. Significant interactions were observed between wilted and the additives in terms of in vitro gas production at 48 h, asymptotic gas production, gas production rate, half time, and the average gas production rate. The total volatile fatty acid levels in the additive treatments were higher than those in the control. Conclusion: Wilting and supplementation with molasses and Lactobacillus plantarum had the ability to improve the ensiling quality and in vitro nutrient digestibility of sudangrass silage. The M+LP treatment at wilted exhibited the strongest positive effects on silage quality and in vitro ruminal fermentation characteristics.

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Section: Discussionsupporting

confidence: 92%

Effects of wilting and additives on the ensiling quality and in vitro rumen fermentation characteristics of sudangrass silage

et al. 2021

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“…The pH of filtrate was determined by pH meter (PHSJ‐4F; Shanghai INESA Scientific Instrument Co., Ltd). Filtrate of about 10 ml was subjected to centrifugation (4,500 × g , 15 min, 4°C), and the supernatant was analyzed for lactic acid, acetic acid, propionic acid, and butyric acid using high‐performance liquid chromatography (Li, Tang, et al, 2017). Ammonia‐N was determined by the method of Broderick and Kang (1980).…”

Section: Methodsmentioning

confidence: 99%

Effects of inoculants on the fermentation characteristics and in vitro digestibility of reed canary grass (Phalaris arundinacea L.) silage on the Qinghai‐Tibetan Plateau

Chen

Gou

et al. 2020

Animal Science Journal

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The Qinghai-Tibetan Plateau is one of the three most important livestock production areas in China (Long, 2007). Due to the extreme environment with high altitude, severe cold, hypoxia, strong ultraviolet light, and short forage growing season, feed availability is often deficient for herbivores in winter and early spring (Zhou et al., 2018). For example, losses of up to 30% of the Yak population in spring have been reported (Long & Ma, 1996), resulting from lack of adequate supplies of forages reserve in growing season. Recently, farmers in this region have focused on introduction of high yielding quality grass to alleviate the shortage of forages in the local livestock industry. Reed canary grass (RCG, Phalaris arundinacea L.) is a promising grass species distributed in temperate regions in the northern hemisphere. RCG is tolerant to different environmental conditions including cold and humid conditions, and it has good potential for high yields during the harvesting season (Kammes, Heemink, Albrecht, & Combs, 2008). New varieties of RCG containing low levels of alkaloids have similar or greater nutrient digestibility when compared with other perennial cool-season grasses, and offer potential for

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“…For example, many phyllosphere bacteria are pigmented and use these pigments to protect against high levels of UV radiation on leaf surfaces ( 13 , 14 ). Similarly, Li et al ( 15 ) reported that 8 h of UV exposure significantly decreased the LAB counts on Siberian wildrye. The yeast count also decreased during the day, suggesting their high sensitivity to the dynamic diurnal environment.…”

Section: Discussionmentioning

confidence: 81%

Diurnal Variation of Epiphytic Microbiota: an Unignorable Factor Affecting the Anaerobic Fermentation Characteristics of Sorghum-Sudangrass Hybrid Silage

Dong

Wang

et al. 2023

Microbiol Spectr

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Effects of UV radiation on the process of wilting and application of additives at ensiling on the fermentation quality of Siberian wildrye silage on the Qinghai‐Tibetan plateau

Cited by 8 publications

References 24 publications

Effects of wilting and additives on the ensiling quality and in vitro rumen fermentation characteristics of sudangrass silage

Effects of wilting and additives on the ensiling quality and in vitro rumen fermentation characteristics of sudangrass silage

Effects of inoculants on the fermentation characteristics and in vitro digestibility of reed canary grass (Phalaris arundinacea L.) silage on the Qinghai‐Tibetan Plateau

Diurnal Variation of Epiphytic Microbiota: an Unignorable Factor Affecting the Anaerobic Fermentation Characteristics of Sorghum-Sudangrass Hybrid Silage

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