Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1059722
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dc.contributor.authorMELLO, A. C. T. dept_BR
dc.contributor.authorMONTEI, R. A. C.pt_BR
dc.contributor.authorSHIRATSUCHI, L. S.pt_BR
dc.contributor.authorPEDREIRA, B. C. ept_BR
dc.contributor.authorLOPES, L. B.pt_BR
dc.contributor.authorXAVIER, D. B.pt_BR
dc.date.accessioned2017-04-11T23:44:57Z-
dc.date.available2017-04-11T23:44:57Z-
dc.date.created2016-12-30pt_BR
dc.date.issued2017pt_BR
dc.identifier.citationCiência Rural, Santa Maria, v. 47, n. 02, p. 1-7, 2017pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1059722pt_BR
dc.descriptionTrees in the production systems can effectively reduce hot weather-induced stress in the Brazilian Midwest. High temperatures cause changes in animals daily routine, and trees into pastures can promote benefits. The aim of this research was to evaluate the behavior of dairy heifers in silvopastoral systems in the state of Mato Grosso, Brazil. A herd of 24 crossbreed heifers (3/4 and 7/8 Holstein/Zebu), 350kg average weight, was evaluated over three seasons. Piatã grass was managed under three shade levels: full-sun, moderate-shade, and intensive-shade provided by 10 to 12m high Eucalyptus trees. Behavior data were collected every 15 minutes from 8:30h to 16h. Shade availability significantly impacted heifer behavior, mainly affecting grazing frequency and time during the hottest hours. Grazing behavior was affected by shade levels during the different seasons. Heifers showed preferred grazing times. Heifers in the intensive-shade system visited shady areas during the hottest hours throughout the seasons. Heifers in the full sun-system avoided grazing during the warmer times, ceasing feeding activities. Our results from the Brazilian Midwest showed that shade availability causes breed heifers to change their daily routine.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectSilvopastoral systempt_BR
dc.titleImproved grazing activity of dairy heifers in shaded tropical grasslands.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2018-02-07T11:11:11Zpt_BR
dc.subject.nalthesaurusUrochloa brizanthapt_BR
dc.subject.nalthesaurusAnimal behaviorpt_BR
riaa.ainfo.id1059722pt_BR
riaa.ainfo.lastupdate2018-02-07 -02:00:00pt_BR
dc.contributor.institutionANDRÉIA CRISTINA TAVARES DE MELLO, UFMT-SINOP; ROBERTA APARECIDA CARNEVALLI MONTEI, CPAMT; LUCIANO SHOZO SHIRATSUCHI, CPAMT; BRUNO CARNEIRO E PEDREIRA, CPAMT; LUCIANO BASTOS LOPES, CPAMT; DIEGO BATISTA XAVIER, CPAMT.pt_BR
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