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  1. Article ; Online: Reducing Ruminal Ammonia Production With Improvement in Feed Utilization Efficiency and Performance of Murrah Buffalo (Bubalus bubalis) Through Dietary Supplementation of Plant-Based Feed Additive Blend

    Yendrembam Mery Chanu / Shyam Sundar Paul / Avijit Dey / Satbir Singh Dahiya

    Frontiers in Veterinary Science, Vol

    2020  Volume 7

    Abstract: The study evaluated the potential of blends of eucalyptus oil and aqueous extract of mulethi (root of Glycyrrhiza glabra) to reduce rate of ruminal ammonia production without affecting feed digestion to improve nitrogen utilization efficiency and ... ...

    Abstract The study evaluated the potential of blends of eucalyptus oil and aqueous extract of mulethi (root of Glycyrrhiza glabra) to reduce rate of ruminal ammonia production without affecting feed digestion to improve nitrogen utilization efficiency and performance of Murrah buffalo (Bubalus bubalis). Based on preliminary independent studies with graded doses of eucalyptus oil and mulethi root aqueous extract in modulating in vitro rumen fermentation, four blends of feed additive comprising graded doses (5, 10, 15, and 25 μL) of eucalyptus oil and a fixed quantity (15 μL) of aqueous extract of mulethi roots were prepared and examined for their effects on in vitro rumen fermentation and on methane and gas production in 100-mL calibrated glass syringes by standard IVGP protocol. Rumen liquor was collected from four rumen fistulated Murrah buffaloes fed a total mixed ration. Out of four blends, blend-1 comprising 5 μL of eucalyptus oil and 15 μL of aqueous extract (233.6 g/L DW) of mulethi per 40 mL of in vitro medium was found to reduce ammonia production significantly (p < 0.001) without affecting feed digestibility. An equivalent dose of blend-1 (10.5 mL of eucalyptus oil and 7.35 g of mulethi root powder/h/day) fed to four rumen fistulated buffaloes for 24 days resulted in 50% reduction (p < 0.05) in rumen ammonia level with no inhibition in feed fermentation or short-chain fatty acid production. The total bacterial population including Ruminococcus albus, Fibrobacter succinogenes, Butyrivibrio fibrisolvens, and Megasphaera elsdenii as well as anaerobic fungi and methanogenic archaea remained unaffected (p > 0.05). Twelve buffalo calves (avg. BW 137.5 ± 9.2 kg, 8–12 months old) divided into two groups of six each and fed a total mixed ration (concentrate: roughage; 60:40) with or without supplementation of blend-1 for about 3 months demonstrated 14% increase (p < 0.05) in average daily gain in BW with a trend (p < 0.10) in improvement of feed or protein utilization efficiency (1.4 vs. 1.1 g crude ...
    Keywords eucalyptus oil ; licorice ; nitrogen efficiency ; plant bioactives ; ruminal ammonia production ; Veterinary medicine ; SF600-1100
    Subject code 660
    Language English
    Publishing date 2020-08-01T00:00:00Z
    Publisher Frontiers Media S.A.
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Adult Spinal Hamartoma Involving Conus Medullaris

    Nazmin Ahmed / Shahidul Khan / KM Tarikul Islam / Avijit Dey / Vishal Chavda / Ottavio Tomasi / Gianluca Scalia / Giuseppe E. Umana / Bipin Chaurasia

    International Journal of Medical Arts, Vol 3, Iss 3, Pp 1556-

    Brief Review About Associated Congenital Abnormalities and Surgical Outcome

    2021  Volume 1561

    Abstract: Background: Spinal hamartoma is an extremely rare lesion for symptomatic spinal cord compression in adult population. Without any association of spinal dysraphism and neurofibromatosis, only 3 cases have been reported in the literature. Case description: ...

    Abstract Background: Spinal hamartoma is an extremely rare lesion for symptomatic spinal cord compression in adult population. Without any association of spinal dysraphism and neurofibromatosis, only 3 cases have been reported in the literature. Case description: A 40-year-old man presented with lumbago femorica for 6 months. Gradually the symptoms worsened and he developed features of Cauda equina syndrome. Magnetic Resonence Imagimg demonstrated a heterogeneously hyperintense intradural extramedullary mass in both T1 and T2WI, involving conus medullaris and cauda equina, opposite to L1. Patient underwent near total resection of lesion through posterior midline approach. Histopathological features were consistent with hamartoma. Patient neurologically improved and follow up MRI at 6 months showed static small nodular tumor residue. Conclusion: To the best of our knowledge, current report is the fourth case of spinal hamartoma in adult male, without any association of spinal dysraphism and neurofibromatosis .This may be the first reported case from Bangladesh.
    Keywords hamartoma ; neurofibromatosis ; spinal dysraphism ; Medicine (General) ; R5-920
    Language English
    Publishing date 2021-07-01T00:00:00Z
    Publisher Al-Azhar University, Faculty of Medicine (Damietta)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: Multi-Model Multi-Physics Ensemble

    Atul K. Sahai / Manpreet Kaur / Susmitha Joseph / Avijit Dey / R. Phani / Raju Mandal / Rajib Chattopadhyay

    Frontiers in Climate, Vol

    A Futuristic Way to Extended Range Prediction System

    2021  Volume 3

    Abstract: In an endeavor to design better forecasting tools for real-time prediction, the present work highlights the strength of the multi-model multi-physics ensemble over its operational predecessor version. The exiting operational extended range prediction ... ...

    Abstract In an endeavor to design better forecasting tools for real-time prediction, the present work highlights the strength of the multi-model multi-physics ensemble over its operational predecessor version. The exiting operational extended range prediction system (ERPv1) combines the coupled, and its bias-corrected sea-surface temperature forced atmospheric model running at two resolutions with perturbed initial condition ensemble. This system had accomplished important goals on the sub-seasonal scale skillful forecast; however, the skill of the system is limited only up to 2 weeks. The next version of this ERP system is seamless in resolution and based on a multi-physics multi-model ensemble (MPMME). Similar to the earlier version, this system includes coupled climate forecast system version 2 (CFSv2) and atmospheric global forecast system forced with real-time bias-corrected sea-surface temperature from CFSv2. In the newer version, model integrations are performed six times in a month for real-time prediction, selecting the combination of convective and microphysics parameterization schemes. Additionally, more than 15 years hindcast are also generated for these initial conditions. The preliminary results from this system demonstrate appreciable improvements over its predecessor in predicting the large-scale low variability signal and weekly mean rainfall up to 3 weeks lead. The subdivision-wise skill analysis shows that MPMME performs better, especially in the northwest and central parts of India.
    Keywords multi-physics ; multi-model ; extended range prediction ; monsoon ; ensemble prediction ; Environmental sciences ; GE1-350
    Subject code 612
    Language English
    Publishing date 2021-05-01T00:00:00Z
    Publisher Frontiers Media S.A.
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article: Comparative community structure of archaea in rumen of buffaloes and cattle

    Paul, Shyam S / Avijit Dey / Balbir S Punia / Daoharu Baro

    Journal of the science of food and agriculture. 2017 Aug., v. 97, no. 10

    2017  

    Abstract: BACKGROUND: Detailed knowledge of the community structure of methanogens is essential for amelioration of methane emission from livestock species. Several studies have indicated that predominant methanogens of buffalo rumen are different from those in ... ...

    Abstract BACKGROUND: Detailed knowledge of the community structure of methanogens is essential for amelioration of methane emission from livestock species. Several studies have indicated that predominant methanogens of buffalo rumen are different from those in cattle. However, predominant genera of methanogens reported by individual studies varied primarily because of limited scope of sampling, sequencing of limited number of sequences and potential PCR bias in individual studies. In this study, the collective comparative diversity of methanogenic archaea in the rumen of cattle and buffaloes was examined by performing a meta‐analysis of all the 16S rRNA (rrn) sequences deposited in GenBank. RESULTS: Ruminal methanogen sequences of buffalo were clustered into 900 species‐level operational taxonomic units (OTUs), and ruminal methanogen sequences of cattle were clustered into 1522 species level OTUs. The number of species‐level OTUs shared between cattle and buffaloes was 229 (10.4% of all OTUs), comprising 1746 sequences (27% of the total 6447 sequences). According to taxonomic classification by three different classifiers, Methanobrevibacter was found to be the most predominant genus both in cattle (69–71% of sequences) as well as buffaloes (65.1–68.9% of sequences). Percentage of Methanomicrobium was much higher (P < 0.05) in the case of buffalo (18%) than that of cattle (4.5%). On the other hand, percentages of Methanosphaera‐ and Methanomassiliicoccus‐like methanogens were much higher (P < 0.05) in cattle than in buffaloes. CONCLUSION: This study indicated that there is a substantial difference in community structure of ruminal methanogens of cattle and buffaloes. The study has also indicated that the percent of species‐level operational taxonomic units shared between cattle and buffalo is very low, and thus host species‐specific methane mitigation strategies need to be developed for cattle and buffaloes. © 2016 Society of Chemical Industry
    Keywords buffaloes ; cattle ; meta-analysis ; methane ; methane production ; Methanobrevibacter ; methanogens ; Methanomicrobium ; polymerase chain reaction ; ribosomal RNA ; rumen
    Language English
    Dates of publication 2017-08
    Size p. 3284-3293.
    Publishing place John Wiley & Sons, Ltd
    Document type Article
    Note JOURNAL ARTICLE
    ZDB-ID 184116-6
    ISSN 1097-0010 ; 0022-5142
    ISSN (online) 1097-0010
    ISSN 0022-5142
    DOI 10.1002/jsfa.8177
    Database NAL-Catalogue (AGRICOLA)

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  5. Article ; Online: Development of a probabilistic early health warning system based on meteorological parameters

    A. K. Sahai / Raju Mandal / Susmitha Joseph / Shubhayu Saha / Pradip Awate / Somenath Dutta / Avijit Dey / Rajib Chattopadhyay / R. Phani / D. R. Pattanaik / Sunil Despande

    Scientific Reports, Vol 10, Iss 1, Pp 1-

    2020  Volume 13

    Abstract: Abstract Among the other diseases, malaria and diarrhoea have a large disease burden in India, especially among children. Changes in rainfall and temperature patterns likely play a major role in the increased incidence of these diseases across ... ...

    Abstract Abstract Among the other diseases, malaria and diarrhoea have a large disease burden in India, especially among children. Changes in rainfall and temperature patterns likely play a major role in the increased incidence of these diseases across geographical locations. This study proposes a method for probabilistic forecasting of the disease incidences in extended range time scale (2–3 weeks in advance) over India based on an unsupervised pattern recognition technique that uses meteorological parameters as inputs and which can be applied to any geographical location over India. To verify the robustness of this newly developed early warning system, detailed analysis has been made in the incidence of malaria and diarrhoea over two districts of the State of Maharashtra. It is found that the increased probabilities of high (less) rainfall, high (low) minimum temperature and low (moderate) maximum temperature are more (less) conducive for both diseases over these locations, but have different thresholds. With the categorical probabilistic forecasts of disease incidences, this early health warning system is found to be a useful tool with reasonable skill to provide the climate-health outlook about possible disease incidence at least 2 weeks in advance for any location or grid over India.
    Keywords Medicine ; R ; Science ; Q
    Language English
    Publishing date 2020-09-01T00:00:00Z
    Publisher Nature Publishing Group
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: EVALUATION OF ANTI-OXIDANT, CYTO-TOXIC AND ANTI-MICROBIAL PROPERTIES OF DRYNARIA QUERCIFOLIA

    Milon Chandra Mohanta / Avijit Dey / S. M. Abdur Rahman / Rezwana Nasreen Chowdhury

    International Research Journal of Pharmacy, Vol 4, Iss 7, Pp 46-

    2013  Volume 48

    Abstract: Drynaria quercifolia is a plant having wide spread ethno pharmacological uses. The aim of this study was to evaluate the anti-oxidant, anti-microbial and cyto-toxic activities of the whole plant Drynaria quercifolia. The rhizome of the plant was sun ... ...

    Abstract Drynaria quercifolia is a plant having wide spread ethno pharmacological uses. The aim of this study was to evaluate the anti-oxidant, anti-microbial and cyto-toxic activities of the whole plant Drynaria quercifolia. The rhizome of the plant was sun dried and extracted using methanol. Later the crude methanolic extract was fractionated into four different fractions using Petroleum ether, carbon-tetrachloride, Ethyl acetate and water. The anti-oxidant activity of the different fractions was measured by the DPPH free radical scavenging activity. The ethyl acetate, carbon-tetrachloride and showed very potent anti-oxidant activity by the DPPH free radical scavenging method. The anti-microbial activity of the different fractions was measured by disc diffusion method using ciprofloxacin as a standard. In vitro antimicrobial screening of the plant showed that ethyl acetate and the carbon tetra chloride fractions showed mild anti-microbial activity. Evaluation of cyto-toxic activity was done using the brine-shrimp lethality bio-assay. The petroleum ether soluble fraction showed significant cyto-toxic potential with LC50 values of 5.59 µg / ml.
    Keywords Drynaria quercifolia ; anti-oxidant ; DPPH ; antimicrobial ; Disc-diffusion method ; Ciprofloxacin ; Brine shrimp. ; Pharmacy and materia medica ; RS1-441 ; Medicine ; R ; DOAJ:Pharmacy and materia medica ; DOAJ:Medicine (General) ; DOAJ:Health Sciences
    Subject code 500
    Language English
    Publishing date 2013-07-01T00:00:00Z
    Publisher International Research Journal of Pharmacy
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Article ; Online: IN-VITRO PHARMACOLOGICAL INVESTIGATIONS OF THE PLANT BOERHAVIA REPENS (FAMILY

    Avijit Dey / S. M. Abdur Rahman / Rezwana Nasreen Chowdhury / Md. Hamiduzzaman / Mohammad Razi-Ul-Hasan Alvi

    International Research Journal of Pharmacy, Vol 4, Iss 7, Pp 36-

    NYCTAGINACEAE)

    2013  Volume 38

    Abstract: Boerhavia repens is an important medicinal plant having application in jaundice, fever and various other disorders. The whole plant Boerhavia repens was sun dried and extracted using methanol. Later the crude methanolic extract was fractionated into four ...

    Abstract Boerhavia repens is an important medicinal plant having application in jaundice, fever and various other disorders. The whole plant Boerhavia repens was sun dried and extracted using methanol. Later the crude methanolic extract was fractionated into four different fractions using Petroleum ether, carbon tetra-chloride, Di-chloromethane and Ethyl acetate. The anti-oxidant activity of the different fractions was measured by the DPPH free radical scavenging activity. The ethyl acetate and the di-chloro methane soluble fractions showed very potent anti-oxidant activity by the DPPH free radical scavenging method. The anti-microbial activity of the different fractions was measured by disc diffusion method. The antimicrobial screening of the plant showed that the carbon tetra-chloride soluble fractions and the Petroleum ether soluble fractions showed mild antimicrobial activity. Evaluation of cyto-toxic activity was done using the brine-shrimp lethality bio-assay. The petroleum ether soluble fraction and the ethyl acetate soluble fractions showed significant cyto-toxic activity.
    Keywords Anti-oxidant ; DPPH ; Brine shrimp ; cyto-toxicity ; Disc-diffusion ; antimicrobial activity. ; Pharmacy and materia medica ; RS1-441 ; Medicine ; R ; DOAJ:Pharmacy and materia medica ; DOAJ:Medicine (General) ; DOAJ:Health Sciences
    Language English
    Publishing date 2013-07-01T00:00:00Z
    Publisher International Research Journal of Pharmacy
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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