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  <controlfield tag="003">BR-BrBNA</controlfield>
  <controlfield tag="005">20260407141709.0</controlfield>
  <controlfield tag="008">260407b2019    bl.qr|pooa||| 00| 0 eng |</controlfield>
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    <subfield code="b">eng</subfield>
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    <subfield code="a">P01</subfield>
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    <subfield code="a">Muir, James Pierre </subfield>
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    <subfield code="a">Santos, M&#xE9;rcia Virg&#xED;nia Ferreira </subfield>
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    <subfield code="a">Cunha, M&#xE1;rcio Vieira da </subfield>
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    <subfield code="a">Dubeux J&#xFA;nior, Jos&#xE9; Carlos Batista </subfield>
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    <subfield code="a">Lira J&#xFA;nior, M&#xE1;rio de Andrade </subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Souza, Rayanne Thalita de Almeida </subfield>
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    <subfield code="a">Souza, Toni Carvalho de </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Value of endemic legumes for livestock production on Caatinga rangelands</subfield>
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Publica&#xE7;&#xE3;o online; 8 tables; Summaries (En, Pt); Bibliography p. 8-12</subfield>
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ABSTRACT:       Rangelands and other native pastures occupy a large area of the planet, with greater temporal and spatial botanical composition and productivity variability. Despite the continuous and historical use of these areas, including overgrazing and fire exclusion, endemic legume species persist in some semiarid rangelands. The objective this work was to review current knowledge of legume use, especially those of the Brazilian Caatinga rangeland. Studies that measure the qualitative and quantitative variations of native legumes are essential for ruminant feed supplementation, to the sustainability of animal production, as well as for economic and environmental improvements in rangelands. Caatinga vegetation of northeastern Brazil consists of deciduous shrubs and small trees which mostly lose their leaves at the beginning of the dry season. The legume family contributes to the greatest number of endemic species but little is known about their productivity or nutritive values. Livestock select Orelha de on&#xE7;a [Macroptilium martii(Benth.) Marechal &amp; Baudet] and Moror&#xF3; (Bauhinia  cheilantha (Bong.) Steud.) and these should, during rangeland clearing, be preserved. In addition, although Caatinga legumes have great crude protein content, their biological fixation of atmospheric N has yet to be thoroughly studied. On the negative side, some native Caatinga legumes have great levels of neutral detergent fiber-bound N (NDFN) and condensed tannin. As a result, animal performance in Caatinga is often poor, notably in the dry period. Forage legumes also provide several environmental services such as N input via BNF and rehabilitation of degraded land.    



Key words:      environmental services; forage; native pastures; semi-arid</subfield>
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RESUMO:       Pastagens nativas ocupam uma grande &#xE1;rea do planeta, com composi&#xE7;&#xE3;o bot&#xE2;nica e produtividade altamente vari&#xE1;vel, no tempo e no espa&#xE7;o. Apesar do uso cont&#xED;nuo e hist&#xF3;rico dessas &#xE1;reas, com uso do superpastejo e limpa com fogo, as esp&#xE9;cies de leguminosas end&#xEA;micas persistem em algumas &#xE1;reas de pastagens semi&#xE1;ridas. Considerando a import&#xE2;ncia das plantas nativas para a pecu&#xE1;ria, se objetivou revisar o conhecimento atual sobre o uso de leguminosas, especialmente aquelas de &#xE1;reas de Caatinga. Estudos que medem as varia&#xE7;&#xF5;es qualitativas e quantitativas das leguminosas nativas s&#xE3;o essenciais para o planejamento da suplementa&#xE7;&#xE3;o alimentar, para a sustentabilidade da produ&#xE7;&#xE3;o animal, bem como para melhorias econ&#xF4;micas e ambientais em pastagens nativas. A vegeta&#xE7;&#xE3;o da Caatinga do Nordeste do Brasil &#xE9; composta por arbustos dec&#xED;duos e pequenas &#xE1;rvores que na maioria das vezes perdem suas folhas no in&#xED;cio da esta&#xE7;&#xE3;o seca. A fam&#xED;lia das leguminosas contribui com o maior n&#xFA;mero de esp&#xE9;cies end&#xEA;micas, mas pouco se sabe sobre sua produtividade ou valor nutritivo. Por exemplo, os animais selecionam a Orelha de on&#xE7;a [Macroptilium martii (Benth.) Marechal &amp; Baudet] e o Moror&#xF3; (Bauhinia cheilantha (Bong.) Steud.) e estes devem, durante a limpeza da pastagem, serem preservados. Al&#xE9;m disso, embora as leguminosas da Caatinga tenham alto teor de prote&#xED;na bruta, sua fixa&#xE7;&#xE3;o biol&#xF3;gica do N atmosf&#xE9;rico ainda n&#xE3;o foi completamente estudada. Por outro lado, algumas leguminosas nativas da Caatinga apresentam altos teores de N ligado &#xE0; fibra em detergente neutro (NFDN), al&#xE9;m do tanino condensado. Como resultado, o desempenho animal na Caatinga &#xE9; frequentemente baixo, principalmente no per&#xED;odo seco. As leguminosas forrageiras tamb&#xE9;m fornecem v&#xE1;rios servi&#xE7;os ambientais, tais como entrada de N via FBN e recupera&#xE7;&#xE3;o de &#xE1;reas degradadas.   



Palavras-chave:      servi&#xE7;os ambientais; forragem; pastagens nativas; semi&#xE1;rido</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">PECU&#xC1;RIA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">PASTAGEM NATIVA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">LEGUMINOSA FORRAGEIRA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">PROTE&#xC7;&#xC3;O AMBIENTAL</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CAATINGA</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">4656</subfield>
    <subfield code="9">361383</subfield>
    <subfield code="d">Recife-PE Universidade Federal Rural de Pernambuco 2006</subfield>
    <subfield code="o">2026-1392</subfield>
    <subfield code="t">Revista Brasileira de Ci&#xEA;ncias Agr&#xE1;rias (Brazil)</subfield>
    <subfield code="x">1981-1160</subfield>
    <subfield code="g">v. 14(2) p. 1-12; (2019)</subfield>
    <subfield code="w">BR2026000082</subfield>
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  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v14i2a5648/224</subfield>
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  <datafield tag="942" ind1=" " ind2=" ">
    <subfield code="c">ANA</subfield>
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    <subfield code="c">341265</subfield>
    <subfield code="d">341265</subfield>
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