{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,6]],"date-time":"2025-08-06T12:35:22Z","timestamp":1754483722426},"reference-count":42,"publisher":"FapUNIFESP (SciELO)","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["R. Bras. Zootec."],"published-print":{"date-parts":[[2009,12]]},"abstract":"<jats:p>Tr\u00eas experimentos foram realizados para avaliar os efeitos de dietas formuladas com 53% de trigo ou centeio, suplementadas ou n\u00e3o com a enzima xilanase (0,06%), sobre a digestibilidade de nutrientes e a energia metaboliz\u00e1vel das dietas e sobre o desempenho e desenvolvimento do trato digestivo de frangos de corte. Como testemunha foi usada uma dieta com 53% de milho. No primeiro experimento, as digestibilidades da mat\u00e9ria seca, mat\u00e9ria org\u00e2nica e gordura e energia metaboliz\u00e1vel corrigida para o nitrog\u00eanio (EMAn) das dietas com centeio foram menores que daquelas com trigo (2.556 kcal\/kg vs 2.842 kcal\/kg) e menores no conjunto dessas dietas que na dieta com milho (2.684 kcal\/kg vs 3.010 kcal\/kg). A digestibilidade da mat\u00e9ria org\u00e2nica e a EMAn das dietas com centeio tamb\u00e9m foi inferior \u00e0s da dieta com trigo. A suplementa\u00e7\u00e3o com xilanases n\u00e3o afetou a utiliza\u00e7\u00e3o digestiva das dietas com centeio ou com trigo. No segundo experimento, nos frangos alimentados com as dietas com centeio, o menor ganho de peso e consumo de EMAn e a pior convers\u00e3o alimentar ocorreram entre os 8 e os 35 dias de idade. A convers\u00e3o alimentar foi de 2,17 para as dietas com centeio e 1,88 para a dieta com milho. A adi\u00e7\u00e3o de xilanases \u00e0s dietas com centeio ou trigo n\u00e3o melhorou a convers\u00e3o alimentar. Nos frangos alimentados com as dietas com centeio durante 31 dias, o duodeno-jejuno e \u00edleo foram maiores e o rendimento de carca\u00e7a menor que nos frangos alimentados com a dieta testemunha (71,6% vs 74,4%). As dietas com trigo n\u00e3o afetaram essas caracter\u00edsticas. Os pesos do p\u00e2ncreas e do f\u00edgado tamb\u00e9m n\u00e3o foram alterados pelas dietas.<\/jats:p>","DOI":"10.1590\/s1516-35982009001200018","type":"journal-article","created":{"date-parts":[[2010,2,4]],"date-time":"2010-02-04T13:32:02Z","timestamp":1265290322000},"page":"2417-2424","source":"Crossref","is-referenced-by-count":7,"title":["Efeitos do centeio, do trigo e da suplementa\u00e7\u00e3o com xilanases sobre o valor nutricional de dietas e o desempenho de frangos corte"],"prefix":"10.1590","volume":"38","author":[{"given":"Jos\u00e9 Lu\u00eds Teixeira de Abreu Medeiros","family":"Mour\u00e3o","sequence":"first","affiliation":[{"name":"Universidade de Tr\u00e1s-os-Montes e Alto Douro, Portugal"}]},{"given":"Victor Manuel Carvalho","family":"Pinheiro","sequence":"additional","affiliation":[{"name":"Universidade de Tr\u00e1s-os-Montes e Alto Douro, 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