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dc.contributor.authorEUCLIDES, V. P. B.
dc.contributor.authorCOSTA, F. P.
dc.contributor.authorEUCLIDES FILHO, K.
dc.contributor.authorMONTAGNER, D. B.
dc.contributor.authorFIGUEIREDO, G. R.
dc.date.accessioned2018-12-28T23:39:14Z-
dc.date.available2018-12-28T23:39:14Z-
dc.date.created2018-12-28
dc.date.issued2018
dc.identifier.citationBioscince Journal, Uberlândia, v. 34, n. 6, p. 1683-1692, Nov./Dec. 2018
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1102608-
dc.descriptionA grazing trial to evaluate biological and economic efficiencies for rearing young animals exclusively on pasture from weaning at 7 months of age, with average initial weight of 220 ± 12 kg, to slaughter was conducted from May 2006 to October 2007. Two levels of combined supplementation during the first dry period and four genetic groups (F1 Angus-Nellore; ½Braford-¼Angus-¼Nellore; ½Brahman-¼Angus-¼Nellore; and Charolais- Nellore) were used following a 4 by 2 factorial arrangement and eight replications in a completely randomized design. During both dry periods, eight paddocks of deferred Brachiaria brizantha were utilized. During the first dry period, concentrated mix (CM) and protein-mineral mixture (PMM) were provided in quantities of 0.8% and 0.2% of body weight (BW), respectively, for 142 days. During the subsequent rainy period, the animals were transferred to eight guinea grass paddocks for 197 days. During the second dry period, the animals were allocated to the same eight palisade grass paddocks used during the previous dry season. Steers had received supplementary diet with the same CM used before at 0.8% of BW. Animals supplemented with CM gained more BW than those supplemented with PMM; however, during the rainy season, steers supplemented with PMM performed better than those receiving CM during the preceding dry period. Using concentrate since the first dry season is a risky option in economic terms, as only the Angus-Nellore group showed a positive but small gain.
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectDeferred grazing
dc.subjectFeed supplementation
dc.titleBiological and economic performance of animal genetic groups under different diets.
dc.typeArtigo de periódico
dc.date.updated2018-12-28T23:39:14Zpt_BR
dc.subject.thesagroBrachiaria Brizantha
dc.subject.thesagroPanicum Maximum
dc.subject.nalthesaurusRotational grazing
dc.description.notesTítulo em português: Desempenho biológico e econômico de grupos genéticos animais sob diferentes dietas.
riaa.ainfo.id1102608
riaa.ainfo.lastupdate2018-12-28
dc.contributor.institutionVALERIA PACHECO BATISTA EUCLIDES, CNPGC; FERNANDO PAIM COSTA, CNPGC; KEPLER EUCLIDES FILHO, DE/PR; DENISE BAPTAGLIN MONTAGNER, CNPGC; GERALDO RAMOS FIGUEIREDO, CNPGC.
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