Performance, carcass and meat quality of Angus-Nellore heifers finished in integrated livestock forest systems

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dc.contributor.authorOliveira Neves, F. de [UNESP]
dc.contributor.authorAndrighetto, C. [UNESP]
dc.contributor.authorAparecida da Luz, P. [UNESP]
dc.contributor.authorPavan Mateus, G.
dc.contributor.authorFreitas Santos, J. Mara de [UNESP]
dc.contributor.authorPereira de Lima, L. [UNESP]
dc.contributor.authorSouza Sekiya, B. Midori [UNESP]
dc.contributor.authorZanetti, L. H. [UNESP]
dc.contributor.authorLupatini, G. C. [UNESP]
dc.contributor.authorVieira, N. C. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionSao Paulo State Agribusiness Technol Agcy
dc.date.accessioned2021-06-26T04:31:03Z
dc.date.available2021-06-26T04:31:03Z
dc.date.issued2021-01-01
dc.description.abstractThe objective of this research was to evaluate the impact of the different shading densities on performance, carcass and meat quality of Angus-Nellore heifers finished in a conventional system (CS) and integrated livestock forest (ILF) system with two different densities of eucalyptus trees (ILF-1: 187 and ILF-2: 446 trees/ha). Seventy-two heifers were randomly assigned to three groups, and the animal performance was evaluated during the finishing phase. Forty-eight samples of the longissimus thoracis muscle were collected for the analysis of carcass and meat quality. No differences were found between treatments for final live weight and average daily gain (P > 0.05). The weight gain per ha and carcass weight gain per ha was lower in ILF-2 system in comparison to CS system, which did not differ from ILF-1. However, the stocking rate was higher in CS in comparison to that of the ILF-1 and ILF-2 systems (P < 0.05). Microclimatic variables and thermal comfort indices were better in ILF-1 and ILF-2 systems, except for the wind speed that was higher in CS due to the absence of trees (P < 0.05). Carcass and meat quality did not differ between the evaluated systems (P > 0.05). Only the pH and protein content showed a difference (P < 0.05), but both were within the appropriate range warranting the meat good quality. It is thus concluded that the system with lower tree density does not interfere with the performance and carcass characteristics of heifers. In addition, the systems with trees provide better comfort to the animals and do not affect the quality of their carcass and meat.en
dc.description.affiliationState Univ UNESP, Coll Agr & Technol Sci, Comandante Joao Ribeiro Barros Rd Km 651, BR-17900000 Dracena, Brazil
dc.description.affiliationSao Paulo State Agribusiness Technol Agcy, Nemeziao de Souza Pereira Rd Km 6, BR-16900000 Andradina, Brazil
dc.description.affiliationUnespState Univ UNESP, Coll Agr & Technol Sci, Comandante Joao Ribeiro Barros Rd Km 651, BR-17900000 Dracena, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.format.extent33-41
dc.identifierhttp://dx.doi.org/10.22358/jafs/133446/2021
dc.identifier.citationJournal Of Animal And Feed Sciences. Jablonna: Kielanowski Inst Animal Physiology Nutrition, v. 30, n. 1, p. 33-41, 2021.
dc.identifier.doi10.22358/jafs/133446/2021
dc.identifier.issn1230-1388
dc.identifier.lattes0601987075176706
dc.identifier.orcid0000-0001-6543-9696
dc.identifier.urihttp://hdl.handle.net/11449/210738
dc.identifier.wosWOS:000635583100005
dc.language.isoeng
dc.publisherKielanowski Inst Animal Physiology Nutrition
dc.relation.ispartofJournal Of Animal And Feed Sciences
dc.sourceWeb of Science
dc.subjectindustrial crossing
dc.subjectlongissimus thoracis
dc.subjectsilvopastoral systems
dc.subjecttenderness
dc.subjectweight gain
dc.titlePerformance, carcass and meat quality of Angus-Nellore heifers finished in integrated livestock forest systemsen
dc.typeArtigo
dcterms.rightsHolderKielanowski Inst Animal Physiology Nutrition
unesp.author.lattes0601987075176706[2]
unesp.author.orcid0000-0001-6543-9696[2]

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