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dc.creatorMaciel, Felipe C.-
dc.creatorMachado Neto, Otávio R.-
dc.creatorDuarte, Marcio S.-
dc.creatorLage, Josiane Fonseca-
dc.creatorDu, Min-
dc.creatorTeixeira, Priscilla D.-
dc.creatorMartins, Cyntia L.-
dc.creatorDomingues, Edmilson H.R.-
dc.creatorFogaça, Luiz A.-
dc.creatorLadeira, Marcio M.-
dc.date.accessioned2022-06-15T16:55:42Z-
dc.date.available2022-06-15T16:55:42Z-
dc.date.issued2022-02-
dc.identifier.citationMACIEL, F. C. et al. Effect of vitamin A injection at birth on intramuscular fat development and meat quality in beef cattle. Meat Science, [S.l.], v. 184, p. 1-7, Feb. 2022. DOI: 10.1016/j.meatsci.2021.108676.pt_BR
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S0309174021002527pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/50237-
dc.description.abstractThis study aimed to evaluate intramuscular fat and expression of genes in the muscle of Montana × Nellore treated with vitamin A at birth. We hypothesized that an injection of vitamin A after birth would increase marbling by increasing the expression of angiogenic, adipogenic, and lipogenic genes. Animals treated with vitamin A had greater marbling in the longissimus muscle (P = 0.05). The vitamin A treatment increased the expression of VEGFA gene at 40 days of age and at weaning and increased the expression of ZNF423 at weaning and at harvesting (P ≤ 0.03). The expression of WNT was higher (P = 0.01) at 40 days of age and at weaning in the animals treated with vitamin A. Vitamin A also increased the expression of SREBF1 at 40 days of age and at weaning (P ≤ 0.05). Therefore, the administration of vitamin A to cattle at birth could be a way to increase carcass marbling without affecting the performance of the animals.pt_BR
dc.languageen_USpt_BR
dc.publisherElsevierpt_BR
dc.rightsrestrictAccesspt_BR
dc.sourceMeat Sciencept_BR
dc.subjectGene expressionpt_BR
dc.subjectMarblingpt_BR
dc.subjectNeonatal programmingpt_BR
dc.subjectRetinoic acidpt_BR
dc.titleEffect of vitamin A injection at birth on intramuscular fat development and meat quality in beef cattlept_BR
dc.typeArtigopt_BR
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