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dc.contributor.authorRODRIGUES, B. M.
dc.contributor.authorALVARENGA, R. C.
dc.contributor.authorLANNA, D. P. D.
dc.contributor.authorBERNDT, A.
dc.contributor.authorSOUZA, F. A. de
dc.contributor.authorLOPES, L. S.
dc.date.accessioned2025-02-11T17:47:06Z-
dc.date.available2025-02-11T17:47:06Z-
dc.date.created2025-02-11
dc.date.issued2024
dc.identifier.citationPesquisa Agropecuária Brasileira, v. 59, e03546, 2024.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1172626-
dc.descriptionThe objective of this work was to evaluate the growth performance, enteric methane production, carcass traits, and fatty acid profile of the Longissimus thoracis muscle of young Nellore and Angus x Nellore beef bulls fed with a high-lipid diet and finished in feedlot. Fifty young bulls were evaluated, being divided into two groups: Nellore (n=25) and Angus × Nellore (n=25), randomly assigned to four pens in a completely randomized design. The feedlot phase covered 105 days of feed. The diet (80% concentrate) was formulated to meet or exceed beef cattle requirements to reach an average daily gain of 1.6 kg per day. The crossbred animals showed a higher dry matter intake, feed efficiency, initial body weight, final body weight, average daily gain, average daily carcass gain, hot carcass weight, and percentage of rib. However, dressing percentage was similar for both groups. The Nellore animals produced more enteric methane, expressed in g kg-1 average daily gain), but, also, higher concentrations of polyunsaturated fatty acids and conjugated linoleic acid. The two genetic groups show satisfactory growth rates, but the crossbred animals present a better growth performance and produce less methane per unit of beef. The animal’s genetic composition modifies its fatty acid profile.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectCrossbreeding
dc.subjectMethane emission
dc.titlePerformance, methane production, and beef lipid profile of young bulls finished in feedlot.
dc.typeArtigo de periódico
dc.subject.thesagroBovino
dc.subject.thesagroGado de Corte
dc.subject.thesagroCruzamento Animal
dc.subject.thesagroCarne
dc.subject.thesagroQualidade
dc.subject.thesagroMetano
dc.subject.thesagroÁcido Graxo
dc.subject.nalthesaurusAnimal performance
dc.subject.nalthesaurusBeef cattle
dc.subject.nalthesaurusMeat quality
dc.subject.nalthesaurusPolyunsaturated fatty acids
riaa.ainfo.id1172626
riaa.ainfo.lastupdate2025-02-11
dc.identifier.doihttps://doi.org/10.1590/S1678-3921.pab2024.v59.03546
dc.contributor.institutionBARBARA MARTINS RODRIGUES, UNIVERSIDADE FEDERAL DE MINAS GERAIS; RAMON COSTA ALVARENGA, CNPMS; DANTE PAZZANESE DUARTE LANNA, UNIVERSIDADE DE SÃO PAULO; ALEXANDRE BERNDT, CPPSE; FERNANDO ANTÔNIO DE SOUZA, UNIVERSIDADE FEDERAL DE MINAS GERAIS; LEANDRO SÂMIA LOPES, UNIVERSIDADE FEDERAL DE MINAS GERAIS.
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