Meta-analysis of the effects of essential oil as an alternative to monensin in diets for beef cattle

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dc.contributor.authorTorres, R. N.S. [UNESP]
dc.contributor.authorPaschoaloto, J. R.
dc.contributor.authorEzequiel, J. M.B. [UNESP]
dc.contributor.authorda Silva, D. A.V.
dc.contributor.authorAlmeida, M. T.C.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionFederal University of Piauí
dc.contributor.institutionGerman Federal Institute for Risk Assessment
dc.contributor.institutionFederal University of Espírito Santo
dc.date.accessioned2021-06-25T10:26:45Z
dc.date.available2021-06-25T10:26:45Z
dc.date.issued2021-06-01
dc.description.abstractAdditives used to improve feed efficiency of beef cattle on high-grain diets requires products that not only increase animal performance but also provide food safety for consumers. Since phytogenic additives such as essential oils (EO) are the main substitutes for monensin in the diet of cattle fed high-grain diets, this study aimed to evaluate, through meta-analysis, the effects of EO as an alternative to monensin in diets for beef cattle on feed intake, performance, carcass characteristics and ruminal fermentative parameters. Ten peer-reviewed publications with 27 treatment means were included in the data set. These effects were evaluated using random-effect models to examine the weighted mean differences (WMD) between EO treatment and control treatment (diets with monensin). Heterogeneity was explored by meta-regression and subgroup analysis. The substitution of EO for monensin did not affect methane production, ruminal pH values, average daily gain, feed efficiency or carcass weight. However, carcass dressing percentage (WMD = 0.38%; P = 0.03), ribeye area (WMD = 0.82 cm2; P < 0.0001) and subcutaneous fat thickness (WMD = 0.56 mm; P < 0.0001) values increased. Although the use of EO instead of monensin had no influence on the performance of beef cattle fed high-grain diets, the prevalence of hepatic abscesses increased 84.9% and the replacement of monensin by EO increased the risk ratio of hepatic abscess prevalence by 107%. Therefore, the use of EO in high-grain beef cattle diets was ineffective in protecting the liver against abscesses.en
dc.description.affiliationAnimal Unit of Digestive and Metabolic Studies Department of Animal Science School of Agricultural and Veterinary Sciences São Paulo State University (UNESP)
dc.description.affiliationFederal University of Piauí
dc.description.affiliationDepartment of Biological Safety German Federal Institute for Risk Assessment
dc.description.affiliationFederal University of Espírito Santo Department of Animal Science
dc.description.affiliationUnespAnimal Unit of Digestive and Metabolic Studies Department of Animal Science School of Agricultural and Veterinary Sciences São Paulo State University (UNESP)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.identifierhttp://dx.doi.org/10.1016/j.tvjl.2021.105659
dc.identifier.citationVeterinary Journal, v. 272.
dc.identifier.doi10.1016/j.tvjl.2021.105659
dc.identifier.issn1532-2971
dc.identifier.issn1090-0233
dc.identifier.scopus2-s2.0-85103289533
dc.identifier.urihttp://hdl.handle.net/11449/206114
dc.language.isoeng
dc.relation.ispartofVeterinary Journal
dc.sourceScopus
dc.subjectAntibiotic
dc.subjectFeedlot
dc.subjectFunctional oils
dc.subjectLiver abscess
dc.subjectPerformance
dc.titleMeta-analysis of the effects of essential oil as an alternative to monensin in diets for beef cattleen
dc.typeArtigo
unesp.author.orcid0000-0001-9517-3817[2]
unesp.author.orcid0000-0002-9992-7513[4]

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