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  • Effects of adding methionine in low-protein diet and subsequently fed low-energy diet on productive performance, blood chemical profile, and lipid metabolism-related gene expression of broiler chickens.

    Author(s) : Jariyahatthakij, P.Chomtee, B.Poeikhampha, T.Loongyai, W.Bunchasak, C.

    Author Affiliation : Department of Animal Science, Faculty of Agriculture, Kasetsart University, Bangkok, Thailand.

    Author Email : agrchb@ku.ac.th

    Journal article : Poultry Science 2018 Vol.97 No.6 pp.2021-2033 ref.many

    Abstract : This study was conducted to evaluate the effectseffectsSubject Category: Properties
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    of supplementing methioninemethionineSubject Category: Chemicals and Chemical Groups
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    (Met) in a low-protein (Low-CP) diet during d 11 to 24 and subsequently feedingfeedingSubject Category: Techniques, Methodologies and Equipment
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    with a low-metabolizable energy diet (Low-ME; -75 kcal/kg) or a normal ME diet during d 25 to 42 on the productive performanceperformanceSubject Category: Properties
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    , blood chemical profile, and lipid metabolism-related gene expressiongene expressionSubject Category: Miscellaneous
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    of broiler chickens. The 1,600 broiler chickschicksSubject Category: Organism Groups
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    were divided into 5 groups as follows: (1) Normal CP, then Normal ME; (2) Low-CP, then Normal ME; (3) Low-CP, then Low-ME; (4) Low-CP+Met, then Normal ME; and (5) Low-CP+Met, then Low-ME. During d 11 to 24, the growth performance of the control group was better than those of the other groups (P<0.01). In Low-CP dietsdietsSubject Category: Miscellaneous
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    , the addition of Met resulted in an improvement in the growth performance, breast meat yieldmeat yieldSubject Category: Properties
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    , protein conversion ratio, plasma total protein, and albumin (P<0.01). Moreover, the supplementation significantly increased the plasma triglyceride content (P<0.01). Feeding Low-CP or Low-CP+Met diets increased the abdominal fatabdominal fatSubject Category: Anatomical and Morphological Structures
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    content compared to the control group (P<0.01). Feeding the Low-CP+Met, then Normal ME (d 25 to 42) resulted in compensation in the feed conversionfeed conversionSubject Category: Miscellaneous
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    ratio (FCR), protein conversion ratio, and energy conversion ratio equal to or better than the control group (P<0.01). The body weights of birdsbirdsSubject Category: Organism Names
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    fed Low-CP diets were still inferior to the control group (P<0.01), except in the Low-CP+Met group followed by the normal ME diet. Feeding with the Low-ME diet tended to decrease the expression of the carnitinecarnitineSubject Category: Chemicals and Chemical Groups
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    palmitoyl transferase I gene in the liverliverSubject Category: Anatomical and Morphological Structures
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    (P=0.08). In conclusion, supplementing Met in the Low-CP diet during the grower period and subsequently feeding with a control diet improved the feed and protein conversion ratiosratiosSubject Category: Properties
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    , reduced fat accumulation, and reduced the production cost of broiler chickens with regard to fat deposition compared to the control diet.

    ISSN : 0032-5791

    DOI : 10.3382/ps/pey034

    Record Number : 20183314012

    Publisher : Oxford University Press

    Location of publication : Oxford

    Country of publication : UK

    Language of text : English

    Indexing terms for this abstract:

    Organism descriptor(s) : birdsbirdsSubject Category: Organism Names
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    , fowlsfowlsSubject Category: Organism Names
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    Descriptor(s) : abdominal fatabdominal fatSubject Category: Anatomical and Morphological Structures
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    , albuminsalbuminsSubject Category: Chemicals and Chemical Groups
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    , body fatbody fatSubject Category: Anatomical and Morphological Structures
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    , body weightbody weightSubject Category: Properties
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    , broilersbroilersSubject Category: Organism Groups
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    , carnitinecarnitineSubject Category: Chemicals and Chemical Groups
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    , chickschicksSubject Category: Organism Groups
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    , costscostsSubject Category: Properties
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    , dietsdietsSubject Category: Miscellaneous
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    , effectseffectsSubject Category: Properties
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    , energy consumptionenergy consumptionSubject Category: Miscellaneous
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    , fatfatSubject Category: Miscellaneous
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    , feed conversionfeed conversionSubject Category: Miscellaneous
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    , feedingfeedingSubject Category: Techniques, Methodologies and Equipment
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    , gene expressiongene expressionSubject Category: Miscellaneous
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    , growth rategrowth rateSubject Category: Properties
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    , liverliverSubject Category: Anatomical and Morphological Structures
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    , liveweight gainliveweight gainSubject Category: Properties
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    , meat yieldmeat yieldSubject Category: Properties
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    , methioninemethionineSubject Category: Chemicals and Chemical Groups
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    , performanceperformanceSubject Category: Properties
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    , poultrypoultrySubject Category: Organism Groups
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    , production costsproduction costsSubject Category: Properties
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    , productivityproductivitySubject Category: Properties
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    , protein intakeprotein intakeSubject Category: Properties
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    , ratiosratiosSubject Category: Properties
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    , triacylglycerolstriacylglycerolsSubject Category: Chemicals and Chemical Groups
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    Identifier(s) : chickens, costings, domesticated birds, energy use, energy utilization, liveweight gains, triglycerides

    Broader term(s) : 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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    , Gallus gallusgallus gallusSubject Category: Organism Names
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    , GallusgallusSubject Category: Organism Names
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    , PhasianidaephasianidaeSubject Category: Organism Names
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    , GalliformesgalliformesSubject Category: Organism Names
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    , birdsbirdsSubject Category: Organism Names
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