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Dynamic changes of rumen microbiota and serum metabolome revealed increases in meat quality and growth performances of sheep fed bio‑fermented rice straw

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Journal of Animal Science and Biotechnology 2024年第3期15卷 1207-1226页

作者： Yin Yin Kyawt Min Aung Yao Xu Zhanying Sun Yaqi Zhou Weiyun Zhu Varijakshapanicker Padmakumar Zhankun Tan Yanfen Cheng Laboratory of Gastrointestinal Microbiology National Center for International Research on Animal Gut NutritionNanjing Agricultural UniversityNanjing 210095China Department of Animal Nutrition University of Veterinary ScienceNay Pyi Taw 15013Myanmar International Livestock Research Institute Nairobi 00100Kenya College of Animal Science Tibet Academy of Agricultural and Animal Husbandry SciencesLhasa 850000China State Key Laboratory of Grassland Agro‑Ecosystems Center for Grassland MicrobiomeCollege of Pastoral Agriculture Science and TechnologyLanzhou UniversityLanzhou 730000China

Background Providing high-quality roughage is crucial for improvement of ruminant production because it is an essential component of their *** previous study showed that feeding bio-fermented rice straw(BF)improved the feed intake and weight gain of ***,it remains unclear why feeding BF to sheep increased their feed intake and weight ***,the purposes of this research were to investigate how the rumen micro-biota and serum metabolome are dynamically changing after feeding BF,as well as how their changes influence the feed intake,digestibility,nutrient transport,meat quality and growth performances of *** growing Hu sheep were allocated into 3 groups:alfalfa hay fed group(AH:positive control),rice straw fed group(RS:negative control)and BF fed group(BF:treatment).Samples of rumen content,blood,rumen epithelium,muscle,feed offered and refusals were collected for the subsequent *** Feeding BF changed the microbial community and rumen fermentation,particularly increasing(Price straw could be an innovative way for improving rum

关键词： Bio-fermentation Growth rate Meat quality Metabolome Microbiota rice straw

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Common Organic Amendment (rice straw) Can Reduce Salinity Effects on Bean (Phaseolus vulgaris) Growth with or without Photoperiod Manipulation

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American Journal of Plant Sciences 2024年第6期15卷 403-421页

作者： Shamima Jahan Sonia Hossain Department of Soil Water & Environment University of Dhaka Dhaka Bangladesh

Soil salinity is a major limiting factor for crop production in coastal areas of Bangladesh. Cheap and sustainable management of soil salinity is hence most sought out topics in agricultural research. Conceptualizing that idea in mind, a pot experiment was conducted in the Department of Soil, Water & Environment, University of Dhaka in order to analyze if common organic amendments (rice straw, saw dust) coupled with reduce photoperiod can mitigate salinity effect on the growth of bean (Phaseolus vulgaris). The experiment was set up following completely randomized design (CRD) with nine treatments and three replications containing Tc (Control), T1 (Ambient photoperiod + 110 mM Salinity treatment + rice straw), T2 (Reduced photoperiod + 110 mM Salinity treatment + rice straw), T3 (Ambient photoperiod + 220 mM Salinity treatment + rice straw), T4 (Reduced photoperiod + 220 mM Salinity treatment + rice straw), T5 (Ambient photoperiod + 110 mM Salinity treatment + Saw dust), T6 (Reduced photoperiod + 110 mM Salinity treatment + Saw dust), T7 (Ambient photoperiod + 220 mM Salinity treatment + Saw dust) and T8 (Reduced photoperiod + 220 mM Salinity treatment + Saw dust). Organic amendments were used separately at the rate of 12 ton/ha. The highest plant height (98.67 cm), root length (12.5 cm), pod number (10.33), leaf area (13.99 cm2), fresh weight (680 kg/ha), dry weight (316.67 kg/ha) were recorded with the treatment T1 while the second-best treatment was treatment T2 (with highest harvest index 0.040) and these results were statistically significant (p < 0.001). In post-harvest soil, pH, EC, OC, OM;available N, P, K, S;total Ca, Mg, Zn, Mn were increased significantly in treatment T1. The overall results illustrated that the best growth and yield performances were achieved in the treatment T1 and T2.

关键词： Phaseolus vulgaris rice straw Saw Dust Salinity Treatment Photoperiod

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rice straw management through biofuel,biochar,mushroom cultivation,and paper production to overcome environmental pollution in North India

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Waste Disposal and Sustainable Energy 2023年第4期5卷 483-510页

作者： Vikram Kumar Pooja Singh Jyoti Sharma Sakshi Saini Priyanka Sharma Asha Sharma Department of Botany Maharshi Dayanand UniversityRohtakHaryana124001India

rice is the prominent food grain required by more than half of the world's population to fulfill their nutritional *** the continuous growth in the population at the global level,rice production has also been ***,high rice production also creates a new problem in waste management *** straw,generated after rice harvest,possesses meager nutritional value,due to which it is less preferred as fodder and burned in the *** burning is one of the major causes of air pollution,leading to lung,heart,eye,and skin-related diseases and even premature *** stubble burning also decreases soil *** this review article,we have discussed the various economic uses of paddy straw which will help to reduce air pollution through the decline in paddy straw *** is produced from paddy straw,which can be mixed into the soil to restore fertility and reduce toxic metals'*** generation of biofuels such as biobutanol,bioethanol,and biogas from rice straw with their mechanism of synthesis is also discussed in this *** straw can also be utilized in the preparation of solid *** with this,mushroom cultivation in paddy straw houses is also *** straw can be used for the pulp and paper industries,which will help to reduce the tree dependence of these *** from this,a bibliometric analysis of the Scopus database on rice straw uses for the last 20 years was done,including a bibliographic keyword analysis to show published documents'*** review will give an elaborated overview of the alternative uses of rice straw with a quantitative analysis of air pollution caused by paddy straw *** review will also help to improve the current uses of paddy straw for industrial and commercial benefits to make it more economical.

关键词： rice straw Environment pollution Biochar Biofuels Mushroom cultivation Paper and pulp

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Roles of soluble minerals in Cd sorption onto rice straw biochar

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Journal of Environmental Sciences 2022年第3期34卷 64-71页

作者： Ying-heng Fei Zuannan Zhang Zhuofeng Ye Qihang Wu Ye-tao Tang Tangfu Xiao School of Environment Science and Engineering Guangzhou UniversityGuangzhou 510006China School of Environment Science and Engineering Sun Yat-sen UniversityGuangzhou 510006China

Transforming to biochar provides an environmentally friendly approach for crop residue reutilization,which are usually applied as sorbent for heavy metal *** typical siliconrich material,the specific sorptive mechanisms of rice straw derived biochar(RSBC)are concerned,especially at the low concentration range which is more environmentally *** the present study,Cd sorption onto RSBCs at the concentration of ≤5 mg/L was *** sorptive capacity was positively correlated with the pyrolytic temperature of the biochar and the environmental pH *** soluble minerals of the RSBCs played the dominant roles in Cd sorption,contributing 29.2%,62.5%and 82.9%of the total sorption for RSBCs derived under 300℃,500℃and 700℃,*** number of cations,dominantly K^(+),were exchanged during the *** with cations and carbonates may also be contributive to the *** dissolution of silicon-containing minerals was found to be declined during sorption,suggesting its involvement in the sorption process,possibly through ***,the sparingly soluble silicate crystals may impose ignorable role in the *** with organic groups is only a minor mechanism in Cd sorption,compared to the much more dominant roles of the inorganic ashes.

关键词： Cadmium Sorption rice straw Biochar Silicon-rich

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Effects of rice straw Steam-explosion Spent Liquor on the Growth of Cabbage Seedlings

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Paper And Biomaterials 2023年第2期8卷 78-86页

作者： Bo Jiang Huan Jiao Xinyu Guo Yu Zhang Yanguang Zhang Yongcan Jin Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and MaterialsCollege of Light Industry and Food EngineeringNanjing Forestry UniversityNanjingJiangsu Province210037China

The direct use of spent liquor from pulping and papermaking engineering,which is abundant in active organic matter,can avoid resource wastage and environmental *** this study,the effects of soaking solution and filtrate from steam-exploded rice straw on seed germination and the early development of cabbage were *** results have shown that soaking solution and filtrate stimulated early cabbage growth at low *** germination potential and the rate of soaking solution-treated cabbage seeds increased by 8%and 5%,respectively;meanwhile,that of the filtrate-treated cabbage seeds increased by 11%and 5%,*** of root growth by steam-exploded rice straw spent liquor was expressed in lateral root *** fresh weight of cabbage seedlings treated with the soaking solution/filtrate increased by more than 50%and the dry weight over 20%.Comparatively,the stimulation of filtrate on seed germination and early development of cabbage is superior to that of the soaking ***-exploded rice straw spent liquor is rich in bioactive lignin and oligosaccharides,which makes it a promising biostimulant for promoting crop growth.

关键词： rice straw steam explosion spent liquor cabbage seedlings stimulation

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Biosorption of clofibric acid and carbamazepine in aqueous solution by agricultural waste rice straw

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Journal of Environmental Sciences 2013年第12期25卷 2384-2395页

作者： Zhanguang Liu Xuefei Zhou Xiaohua Chen Chaomeng Dai Juan Zhang Yalei Zhang Key Laboratory of Yangtze Water Environment of Ministry of Education State Key Laboratory of Pollution Control and Resource ReuseTongji University

Due to their widespread use, clofibric acid （CA） and carbamazepine （CBZ） have been frequently detected simultaneously at relatively high concentrations in aquatic environments. In this study, agricultural waste rice straw was employed as a potentially low-cost, effective and easy-to-operate biosorbent （RSB） to remove CA and CBZ. The adsorption of both pharmaceuticals followed pseudo second-order kinetics, and intraparticle diffusion was an important rate-limiting step. The adsorption isotherms of both drugs were fit well with Freundlich model. The adsorption of CA onto RSB was exothermic and was more likely to be dominated by physical processes, while the adsorption of CBZ was endothermic. Solution pH was determined to be the most important factor for CA adsorption, such that the adsorption capacity of CA onto RSB increased with the decline of solution pH. In the lower range of solution pH below 3. l, the CA removal efficiency was enhanced with the increase of biosorbent dosage. The CBZ removal efficiency was enhanced with the increase of RSB dosage without pH control. The maximum adsorption capacities were 126.3 mg/g for CA and 40.0 mg/g for CBZ.

关键词： biosorption clofibric acid carbamazepine rice straw agricultural waste uniform design

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Influence of rice straw burning on the levels of polycyclic aromatic hydrocarbons in agricultural county of Taiwan

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Journal of Environmental Sciences 2009年第9期21卷 1200-1207页

作者： Chia-Hsiang Lai Kang-Shin Chen Hsin-Kai Wang Department of Health Safety and Environmental Engineering Central Taiwan University of Science and Technology Institute of Environmental Engineering Sun Yat-Sen University

Atmospheric particulate and polycyclic aromatic hydrocarbons （PAHs） size distribution were measured at Jhu-Shan （a rural site） and Sin-Gang （a town site） in central Taiwan during the rice straw burning and non-burning periods. The concentrations of total PAHs accounting for a roughly 58% （34%） increment in the concentrations of total PAHs due to rice-straw burning. Combustion-related PAHs during burning periods were 1.54-2.57 times higher than those during non-burning periods. The mass median diameter （MMD） of 0.88-1.21 μm in the particulate phase suggested that rice-straw burning generated the increase in coarse particle number. Chemical mass balance （CMB） receptor model analyses showed that the primary pollution sources at the two sites were similar. However, ricestraw burning emission was specifically identified as a significant source of PAH during burning periods at the two sites. Open burning of rice straws was estimated to contribute approximately 6.3%-24.6% to total atmospheric PAHs at the two sites.

关键词： rice straw open burning polycyclic aromatic hydrocarbons (PAHs) receptor mod

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Combined pretreatment using CaO and liquid fraction of digestate of rice straw: Anaerobic digestion performance and electron transfer

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Chinese Journal of Chemical Engineering 2021年第8期34卷 223-232页

作者： Ruolin Guan Hairong Yuan Liang Zhang Xiaoyu Zuo Xiujin Li Department of Environmental Science and Engineering Beijing University of Chemical TechnologyBeijing 100029China

To improve anaerobic digestion(AD)efficiency of rice straw,solid alkaline CaO and the liquid fraction of digestate(LFD)were used as pretreatment agents of rice *** results showed that AD performance of rice straw with CaOLFD pretreatment was optimal in different pretreatment methods of the CaO+LFD,CaOLFD,LFD+CaO,CaO,and *** maximum methane yield(314 ml(g VS)^(-1))and the highest VFAs concentration(14851 mg·L^(-1) on day 3)of the CaOLFD pretreatment group were 81%and 118%higher than that of the control group,*** the action of solid alkaline CaO,the bacteria of Clostridium,Atopostipes,Sphaerochaeta,Tissierella,Thiopseudomonas,Rikenellaceae,and Sedimentibacter could build up co-cultures with the archaeal of Methanosaeta,Methanobacterium,and Methanosarcina performing direct interspecies electron transfer(DIET)and improving AD performance of rice ***,the combined pretreatment using CaO and LFD could not only pretreat rice straw but also stimulate co-cultures of microorganism to establish DIET enhancing AD efficiency.

关键词： CaO-LFD pretreatment Direct interspecies electron transfer(DIET) rice straw Anaerobic digestion(AD) Methane

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Process of rice straw degradation and dynamic trend of pH by the microbial community MC1

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Journal of Environmental Sciences 2006年第6期18卷 1142-1146页

作者： LIU Jian-bin WANG Wei-dong YANG Hong-yan WANG Xiao-fen GAO Li-juan CUI Zong-jun College of Agronomy and Biotechnology China Agricultural University Beijing 100094 China College of Biological Science and Technology Heilongjiang August First I.and Reclamation University Daqing 163319 China

The process of the rice straw degradation in the fermentor with aeration at 290 ml/h was studied. The results of dissolved oxygen （DO） indicated that the optimum DO during cellulose degradation by microbial community MC1 ranged from 0.01 to 0.12 mg/L. The change model ofpH values was as follows： irrespective of the initial pH of the medium, pH values decreased rapidly to approximate 6.0 after being inoculated within 48 h when cellulose was strongly degraded, and then increased slowly to 8.0--9.0 until cellulose was degraded completely. During the degradation process, 15 kinds of organic compounds were checked out by GC-MS. Most of them were organic acids. Quantity analysis was carried out, and the maximum content compound was ethyl acetate which reached 13.56 g/L on the day 4. The cellulose degradation quantity and ratio analyses showed that less quantity （under batch fermentation conditions） and longer interval （under semi-fermentation conditions） of rice straw added to fermentation system were contributed to matching the change model of pH, and increasing the quantity and ratio of rice straw degradation during cellulose degrading process. The highest degradation ratio was observed under the condition office straw added one time every five days （under semi-fermentation conditions）.

关键词： rice straw cellulose degradation the microbial community MC1 pH

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The effects of fermentation and adsorption using lactic acid bacteria culture broth on the feed quality of rice straw

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Journal of Integrative Agriculture 2015年第3期14卷 503-513页

作者： LIU Jing-jing LIU Xiao-ping REN Ji-wei ZHAO Hong-yan YUAN Xu-feng WANG Xiao-fen Abdelfattah Z M Salem CUI Zong-jun College of Agronomy and Biotechnology/Center of Biomass Engineering China Agricultural University Plants Protecting Station of Agricultural Bureau Agronomy of Yanbian University Faculty of Veterinary Medicine and Animal Science Autonomous University of the State of Mexico

To improve the nutritional value and the palatability of air-dried rice straw, culture broth of the lactic acid bacteria community SFC-2 was used to examine the effects of two different treatments, fermentation and adsorption. Air-dried and chopped rice straw was treated with either fermentation for 30 d after adding 1.5 L nutrient solution（50 m L inocula L–1, 1.2×1012 CFU m L–1 inocula） kg–1 straw dry matter, or spraying a large amount of culture broth（1.5 L kg–1 straw dry matter, 1.5×1011 CFU m L–1 culture broth） on the straw and allowing it to adsorb for 30 min. The feed quality and aerobic stability of the resulting forage were examined. Both treatments improved the feed quality of rice straw, and adsorption was better than fermentation for preserving nutrients and improving digestibility, as evidenced by higher dry matter（DM） and crude protein（CP） concentrations, lower neutral detergent fiber（NDF）, acid detergent fiber（ADF） and NH3-N concentrations, as well as higher lactic acid production and in vitro digestibility of DM（IVDMD）. The aerobic stability of the adsorbed straw and the fermented straw was 392 and 480 h, respectively. After being exposed to air, chemical components and microbial community of the fermented straw were more stable than the adsorbed straw.

关键词： adsorption fermentation lactic acid bacteria culture broth rice straw

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