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  1. Article ; Online: The potential mechanistic insights and future implications for the effect of prebiotics on poultry performance, gut microbiome, and intestinal morphology.

    Yaqoob, M U / El-Hack, M E Abd / Hassan, F / El-Saadony, M T / Khafaga, A F / Batiha, G E / Yehia, N / Elnesr, S S / Alagawany, M / El-Tarabily, K A / Wang, M

    Poultry science

    2021  Volume 100, Issue 7, Page(s) 101143

    Abstract: Prebiotics may modify the biological processes in the chickens' gastrointestinal tract to improve poultry performance and health. Prebiotics are natural feed additives that offer many economic advantages by decreasing mortality rates, increasing growth ... ...

    Abstract Prebiotics may modify the biological processes in the chickens' gastrointestinal tract to improve poultry performance and health. Prebiotics are natural feed additives that offer many economic advantages by decreasing mortality rates, increasing growth rates, and improving birds' feed efficiency. Prebiotic action potentially affects the degradation of indigestible dietary compounds, the synthesis of nitrogen components and vitamins, and simplifies the removal of undesirable elements in the diet. Prebiotics could also induce desirable gut microbiome modifications and affect host metabolism and immune health. It is worth mentioning that gut bacteria metabolize the prebiotic compounds into organic compounds that the host can subsequently use. It is important to limit the concept of prebiotics to compounds that influence the metabolism of resident microorganisms. Any medicinal component or feed ingredient beneficial to the intestinal microecosystem can be considered a prebiotic. In this review, the impacts of prebiotics on the gut microbiome and physiological structure are discussed, emphasizing the poultry's growth performance. The current review will highlight the knowledge gaps in this area and future research directions.
    MeSH term(s) Animals ; Chickens ; Gastrointestinal Microbiome ; Gastrointestinal Tract/chemistry ; Poultry ; Prebiotics/analysis
    Chemical Substances Prebiotics
    Language English
    Publishing date 2021-03-23
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 242586-5
    ISSN 1525-3171 ; 0032-5791
    ISSN (online) 1525-3171
    ISSN 0032-5791
    DOI 10.1016/j.psj.2021.101143
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: The potential mechanistic insights and future implications for the effect of prebiotics on poultry performance, gut microbiome, and intestinal morphology

    Yaqoob, M.U / El-Hack, M.E. Abd / Hassan, F / El-Saadony, M.T / Khafaga, A.F / Batiha, G.E / Yehia, N / Elnesr, S.S / Alagawany, M / El-Tarabily, K.A / Wang, M

    Poultry science. 2021 July, v. 100, no. 7

    2021  

    Abstract: Prebiotics may modify the biological processes in the chickens' gastrointestinal tract to improve poultry performance and health. Prebiotics are natural feed additives that offer many economic advantages by decreasing mortality rates, increasing growth ... ...

    Abstract Prebiotics may modify the biological processes in the chickens' gastrointestinal tract to improve poultry performance and health. Prebiotics are natural feed additives that offer many economic advantages by decreasing mortality rates, increasing growth rates, and improving birds' feed efficiency. Prebiotic action potentially affects the degradation of indigestible dietary compounds, the synthesis of nitrogen components and vitamins, and simplifies the removal of undesirable elements in the diet. Prebiotics could also induce desirable gut microbiome modifications and affect host metabolism and immune health. It is worth mentioning that gut bacteria metabolize the prebiotic compounds into organic compounds that the host can subsequently use. It is important to limit the concept of prebiotics to compounds that influence the metabolism of resident microorganisms. Any medicinal component or feed ingredient beneficial to the intestinal microecosystem can be considered a prebiotic. In this review, the impacts of prebiotics on the gut microbiome and physiological structure are discussed, emphasizing the poultry's growth performance. The current review will highlight the knowledge gaps in this area and future research directions.
    Keywords digestive tract ; feed composition ; feed conversion ; growth performance ; intestinal microorganisms ; intestines ; metabolism ; mortality ; nitrogen ; prebiotics
    Language English
    Dates of publication 2021-07
    Publishing place Elsevier Inc.
    Document type Article
    ZDB-ID 242586-5
    ISSN 1525-3171 ; 0032-5791
    ISSN (online) 1525-3171
    ISSN 0032-5791
    DOI 10.1016/j.psj.2021.101143
    Database NAL-Catalogue (AGRICOLA)

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  3. Article: Growth performance and certain body measurements of ostrich chicks as affected by dietary protein levels during 2-9 weeks of age.

    Mahrose, Kh M / Attia, A I / Ismail, I E / Abou-Kassem, D E / El-Hack, M E Abd

    Open veterinary journal

    2015  Volume 5, Issue 2, Page(s) 98–102

    Abstract: The present work was conducted to examine the effects of dietary crude protein (CP) levels (18, 21 and 24%) on growth performance (Initial and final body weight, daily body weight gain, feed consumption, feed conversion and protein efficiency ratio) ... ...

    Abstract The present work was conducted to examine the effects of dietary crude protein (CP) levels (18, 21 and 24%) on growth performance (Initial and final body weight, daily body weight gain, feed consumption, feed conversion and protein efficiency ratio) during 2-9 weeks of age and certain body measurements (body height, tibiotarsus length and tibiotarsus girth) at 9 weeks of age. A total of 30 African Black unsexed ostrich chicks were used in the present study in simple randomized design. The results of the present work indicated that initial and final live body weight, body weight gain, feed consumption, feed conversion of ostrich chicks were insignificantly affected by dietary protein level used. Protein efficiency ratio was high in the group of chicks fed diet contained 18% CP. Results obtained indicated that tibiotarsus girth was decreased (P≤0.01) with the increasing dietary protein level, where the highest value of tibiotarsus girth (18.38 cm) was observed in chicks fed 18% dietary protein level. Body height and tibiotarsus length were not significantly different. In conclusion, the results of the present study indicate that ostrich chicks (during 2-9 weeks of age) could grow on diets contain lower levels of CP (18%).
    Language English
    Publishing date 2015
    Publishing country Libya
    Document type Journal Article
    ZDB-ID 2651664-0
    ISSN 2218-6050 ; 2226-4485
    ISSN (online) 2218-6050
    ISSN 2226-4485
    Database MEDical Literature Analysis and Retrieval System OnLINE

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