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  • Crude glycerol: by-product of biodiesel industries as an alternative energy source for livestock feeding.

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    Author(s) : Lokesha, E.Marappan GopiKumar, R. D.Brijesh PatelBanakar, P. S.Revanasiddu DeginalPruthviraj, D. R.Bhanuprakash, V.Mahesh, M. S.

    Author Affiliation : ICAR-Indian Veterinary Research Institute, Izatnagar, India.

    Author Email : lokeshvet930@rediffmail.com

    Journal article : Journal of Experimental Biology and Agricultural Sciences 2017 Vol.5 No.6 pp.755-766 ref.many

    Abstract : Increased concern on greenhouse gas emission, concomitant global warmingglobal warmingSubject Category: Climate Related
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    and decreasing fossil fuels have created the necessity to find an alternative source of energy for the transportation vehicles. Biodiesels is an alternative renewable fuel source, which releases less carbon dioxidecarbon dioxideSubject Category: Chemicals and Chemical Groups
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    , carbon monoxidecarbon monoxideSubject Category: Chemicals and Chemical Groups
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    , sulfur and nitrogen oxides upon combustion. These environmental friendly features of biodieselbiodieselSubject Category: Commodities and Products
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    biodieselSubject Category: Chemicals and Chemical Groups
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    make it a potential alternative to the conventional one. Biodiesel can be extracted from the edible or non-edible source of triglycerides. During this extraction process, crude glycerolglycerolSubject Category: Chemicals and Chemical Groups
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    (CG) is obtained at the rate of 10% as a byproduct of trans-esterificationesterificationSubject Category: Miscellaneous
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    reaction. Chemically, CG so obtained is composed of catalysts, salts and fatty acids. Purification of CG to >95% involves the cost (0.28 USD/L production) and time consuming process. Hence, economical management of CG is the need of hour, one such alternative way is its entry in animal food chain as an energy source. Basically, glycerol is a glycogenic intermediate product of fat digestion converted to glucose by the action of key enzyme glycerol kinase. The CG undergo glycolysis and TCA cycle to liberate ATP. The digestible and metabolizable energymetabolizable energySubject Category: Miscellaneous
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    content of CG are comparable with the commonly used cereal grains in livestock feeding. Thus, CG acts as a bridging gap between the biodiesel industry and livestock production. Studies have showed that CG can be used as an energy source as a replacement of cerealscerealsSubject Category: Commodities and Products
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    in pig, poultrypoultrySubject Category: Organism Groups
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    , goat, feedlot cattle and dairy cowsdairy cowsSubject Category: Organism Groups
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    . This review provides an overview of utilization of CG and its effect on production performance of different livestock species.

    ISSN : 2320-8694

    DOI : 10.18006/2017.5(6).755.766

    Record Number : 20183140221

    Publisher : JEBAS

    Country of publication : India

    Language of text : English

    Indexing terms for this abstract:

    Organism descriptor(s) : birdsbirdsSubject Category: Organism Names
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    , cattlecattleSubject Category: Organism Names
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    , goatsgoatsSubject Category: Organism Names
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    , pigspigsSubject Category: Organism Names
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    Descriptor(s) : biodieselbiodieselSubject Category: Chemicals and Chemical Groups
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    , biofuelsbiofuelsSubject Category: Chemicals and Chemical Groups
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    , carbon dioxidecarbon dioxideSubject Category: Chemicals and Chemical Groups
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    , carbon monoxidecarbon monoxideSubject Category: Chemicals and Chemical Groups
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    , cattle feedingcattle feedingSubject Category: Techniques, Methodologies and Equipment
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    , cerealscerealsSubject Category: Commodities and Products
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    , climate changeclimate changeSubject Category: Climate Related
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    , cowscowsSubject Category: Organism Groups
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    , dairy cattledairy cattleSubject Category: Organism Groups
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    , dairy cowsdairy cowsSubject Category: Organism Groups
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    , emissionsemissionsSubject Category: Miscellaneous
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    , energy sourcesenergy sourcesSubject Category: Miscellaneous
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    , esterificationesterificationSubject Category: Miscellaneous
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    , feed grainsfeed grainsSubject Category: Commodities and Products
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    , feedlotsfeedlotsSubject Category: Miscellaneous
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    , global warmingglobal warmingSubject Category: Climate Related
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    , glycerolglycerolSubject Category: Chemicals and Chemical Groups
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    , greenhouse gasesgreenhouse gasesSubject Category: Chemicals and Chemical Groups
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    , metabolizable energymetabolizable energySubject Category: Miscellaneous
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    , milk productionmilk productionSubject Category: Miscellaneous
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    , poultrypoultrySubject Category: Organism Groups
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    , triacylglycerolstriacylglycerolsSubject Category: Chemicals and Chemical Groups
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    Identifier(s) : climatic change, domesticated birds, glycerin, glycerine, grain feed, hogs, swine, triglycerides

    Broader term(s) : BosbosSubject Category: Organism Names
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    , BovidaebovidaeSubject Category: Organism Names
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    , ruminantsruminantsSubject Category: Organism Names
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    , ArtiodactylaartiodactylaSubject Category: Organism Names
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    , mammalsmammalsSubject Category: Organism Names
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    , vertebratesvertebratesSubject Category: Organism Names
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    , ChordatachordataSubject Category: Organism Names
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    , animalsanimalsSubject Category: Organism Names
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    , eukaryoteseukaryotesSubject Category: Organism Names
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    , CapracapraSubject Category: Organism Names
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    , Sus scrofasus scrofaSubject Category: Organism Names
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    , SussusSubject Category: Organism Names
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    , SuidaesuidaeSubject Category: Organism Names
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    , SuiformessuiformesSubject Category: Organism Names
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