Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1158708
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dc.contributor.authorTOLEDO, R. B. de
dc.contributor.authorFARIA, O A. C. de
dc.contributor.authorLEME, L. O.
dc.contributor.authorMAGNABOSCO, C. U.
dc.contributor.authorGUIMARÃES JÚNIOR, R.
dc.contributor.authorEIFERT, E. da C.
dc.contributor.authorSANTOS, I. R. DOS
dc.contributor.authorOLIVEIRA, R. V.
dc.contributor.authorDODE, M. A. N.
dc.contributor.authorMALAQUIAS, J. V.
dc.contributor.authorPIVATO, I.
dc.contributor.authorMARTINS, C. F.
dc.date.accessioned2023-11-27T14:32:19Z-
dc.date.available2023-11-27T14:32:19Z-
dc.date.created2023-11-27
dc.date.issued2023
dc.identifier.citationAnimal Biotechnology, v. 34, n. 7, 2023.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1158708-
dc.descriptionIn vitro embryos production from prepubertal heifers can help contribute to breeding programs; however, strategies are necessary to increase their embryo production. The aim of this study was to investigate the effects of two nutritional plans on oocyte recovery, embryo production and growth performance of prepubertal Nelore heifers. Thirty-four Nelore heifers with age of 6.5&#8201;months were divided into two feeding treatments (NP1 and NP2). The NP1 diets served as the control and NP2 diets were formulated to contain an average of 1.22-fold more energy than NP1. After 3&#8201;months of supplementation, the animals underwent follicular aspiration (ovum pick-up, OPU) every 21&#8201;d for 3&#8201;months and embryos were produced in vitro. Wither height, chest depth, body weight and subcutaneous fat of animals were measured. The number of retrieved and viable oocytes per OPU were 1.49-fold and 1.42-fold greater in NP2 heifers (p&#8201;=&#8201;0.018 and p&#8201;=&#8201;0.049, respectively) than those in NP1 heifers. Heifers administered NP2 produced 29.7% blastocysts, a percentage higher than NP1 animals that produced 24.40% embryos (p&#8201;<&#8201;0.05). Consequently, females in the NP2 treatment showed improved body development. These results indicate a positive effect of a higher energy diet on assisted reproduction and body development in prepubertal heifers.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectProdução in vidro
dc.subjectNovilha Nelore
dc.subjectOócitos
dc.subjectSuplementação alimentar
dc.titleEffect of food supplementation on in vitro embryo production and growth performance in prepubertal Nelore heifers.
dc.typeArtigo de periódico
dc.subject.thesagroEmbrião Animal
dc.subject.thesagroPrograma de Nutrição
dc.subject.thesagroMelhoramento Genético Animal
dc.subject.nalthesaurusIn vitro fertilization
dc.subject.nalthesaurusBiotechnology
dc.subject.nalthesaurusNutrition
riaa.ainfo.id1158708
riaa.ainfo.lastupdate2023-11-27
dc.identifier.doihttps://doi.org/10.1080/10495398.2023.2279612
dc.contributor.institutionRICARDO BRAZ DE TOLEDO, UNIVERSIDADE DE BRASÍLIA; OTÁVIO AUGUSTO COSTA DE FARIA, UNIVERSIDADE DE BRASÍIA; LIGIANE OLIVEIRA LEME; CLÁUDIO ULHOA MAGNABOSCO; ROBERTO GUIMARÃES JUNIOR; EDUARDO DA COSTA EIFERT, CPAC; ISABELLA RODRIGUES DOS SANTOS; RODRIGO VIDAL OLIVEIRA, UNIVERISADE DE BRASÍLIA; MARGOT ALVES NUNES DODE, Cenargen; JUACI VITORIA MALAQUIAS, CPAC; IVO PIVATO, UNIVERSIDADE DE BRASÍLIA; CARLOS FREDERICO MARTINS, CPAC.
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