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  <leader>03850nab a2200325 i 4500</leader>
  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20241113161635.0</controlfield>
  <controlfield tag="008">241113b2016    bl.mr|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="a">BR-BrBNA</subfield>
    <subfield code="b">eng</subfield>
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  <datafield tag="072" ind1=" " ind2=" ">
    <subfield code="a">L51</subfield>
    <subfield code="b">5400</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Alar&#xE7;a, La&#xED;s Guimar&#xE3;es </subfield>
  </datafield>
  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Murakami, Fabiane Yukiko</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">F&#xE9;lix, Ananda Portella </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Krabbe, Everton Luis </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Oliveira, Simone Gisele de </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Silva, Sebasti&#xE3;o Aparecido Borges da </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Dietary lutein supplementation on diet digestibility and blood parameters of dogs</subfield>
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  <datafield tag="500" ind1=" " ind2=" ">
    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 24 ref.; 4 tables; Sumaries (En, Pt)</subfield>
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  <datafield tag="520" ind1=" " ind2=" ">
    <subfield code="a">

ABSTRACT - The objective of the present study was to evaluate the digestibility and the immunomodulatory effects of diets supplemented with lutein in dogs. Sixteen adult dogs were distributed in two groups (control and test) in a completely randomized design. Dogs were fed for 120 days with iso-nutritive diets, which only difference was the inclusion of 45g lutein/kg in the diet fed to the test group. Blood samples were collected in the beginning and at the end of the experimental period to evaluate total lymphocyte, lymphocyte proliferation index, and CD4+ and CD8+ lymphocyte counts. In order to evaluate apparent diet digestibility, dogs were housed in metabolic cages for ten days (five days of adaptation and five for faeces total collection). Coefficients of total tract apparent digestibility were not different between dogs in the  control and the lutein-fed groups. Lutein dietary supplementation did not influence total lymphocyte or lymphocyte proliferation index, but resulted in higher CD4+ and CD8+ lymphocyte numbers. Lutein supplementation did not affect diet digestibility or lymphocyte proliferation index in dogs. However, it increases the concentrations of CD4+ and CD8+ T-lymphocyte subtypes.

Key words: carotenoids, CD4+, CD8+, immunity</subfield>
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  <datafield tag="520" ind1=" " ind2=" ">
    <subfield code="a">

RESUMO - O objetivo do presente estudo foi avaliar a digestibilidade e os efeitos imunomoduladores de dietas suplementadas com lute&#xED;na em c&#xE3;es. Dezesseis c&#xE3;es adultos foram distribu&#xED;dos em dois grupos  (controle e teste), em delineamento inteiramente casualizado. Os c&#xE3;es foram alimentados durante 120 dias com dietas iso-nutritivas, diferindo apenasna inclus&#xE3;o de 45g de lute&#xED;na/kg na dieta do grupo teste. As amostras de sangue foram colhidas no in&#xED;cio e no final do per&#xED;odo experimental para avaliar o total de linf&#xF3;citos, o &#xED;ndice de prolifera&#xE7;&#xE3;o de linf&#xF3;citos e a contagem de linf&#xF3;citos CD4 + e CD8 +. Para avaliar a digestibilidade aparente da dieta, os c&#xE3;es foram alojados em gaiolas metab&#xF3;licas por dez dias (cinco dias de adapta&#xE7;&#xE3;o e cinco para coleta total de fezes). Os coeficientes de digestibilidade aparente n&#xE3;o foram diferentes entre c&#xE3;es do grupo controle e os alimentados com lute&#xED;na. A suplementa&#xE7;&#xE3;o diet&#xE9;tica com lute&#xED;na n&#xE3;o influenciou a contagem de linf&#xF3;citos totais ou o &#xED;ndice de prolifera&#xE7;&#xE3;o de linf&#xF3;citos, mas resultou em n&#xFA;mero de linf&#xF3;citos CD4 + e CD8 + mais elevadas. A suplementa&#xE7;&#xE3;o de lute&#xED;na n&#xE3;o afeta a digestibilidade da dieta ou o &#xED;ndice de prolifera&#xE7;&#xE3;o de linf&#xF3;citos em c&#xE3;es. No entanto, aumenta as concentra&#xE7;&#xF5;es dos subtipos CD4 + e CD8 + de linf&#xF3;citos T. 

Palavras-chave: carotenoides, CD4+, CD8+, imunidade.</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">C&#xC3;O</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">DIETA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">SUPLEMENTO ALIMENTAR</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">IMUNIDADE</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">DIGESTIBILIDADE</subfield>
  </datafield>
  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">2408</subfield>
    <subfield code="9">314934</subfield>
    <subfield code="d">Santa Maria-RS Universidade Federal de Santa Maria - Centro de Ci&#xEA;ncias Rurais 1991</subfield>
    <subfield code="o">2024-1185</subfield>
    <subfield code="t">Ci&#xEA;ncia Rural (Brazil)</subfield>
    <subfield code="x">0103-8478</subfield>
    <subfield code="g">v. 46(12) p. 2195-2201; (2016)</subfield>
    <subfield code="w">BR2024003411</subfield>
  </datafield>
  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">https://www.scielo.br/j/cr/a/r3wZjdtGsxzHKsx6nKgkXbL/?format=pdf&amp;lang=en</subfield>
  </datafield>
  <datafield tag="942" ind1=" " ind2=" ">
    <subfield code="c">ANA</subfield>
  </datafield>
  <datafield tag="999" ind1=" " ind2=" ">
    <subfield code="c">328626</subfield>
    <subfield code="d">328626</subfield>
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