Publicação:
Broiler breeder trace mineral nutrition and feeding practices on embryo progeny development

dc.contributor.authorMoraes, Vera M. B. [UNESP]
dc.contributor.authorOviedo-Rondon, Edgar O.
dc.contributor.authorLeandro, Nadja S. M.
dc.contributor.authorWineland, Michael J.
dc.contributor.authorMalheiros, Ramon D.
dc.contributor.authorEusebio-Balcazar, Pamela
dc.contributor.institutionN Carolina State Univ
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de Goiás (UFG)
dc.date.accessioned2014-05-20T15:33:41Z
dc.date.available2014-05-20T15:33:41Z
dc.date.issued2011-01-01
dc.description.abstractThis study was conducted to evaluate the effects of breeder feeding programme, feeder space change from rearing to lay, and trace mineral (TM) source on the development of embryo progeny. Cobb 500 broiler breeders were raised in a blackout pullet house. At 23 weeks, females that represented the body weight (BW) distribution from each pen were transferred to a laying house divided into pens with either same or more feeder space than in rearing. From 14 to 29 weeks, either a late fast or a late slow FP was used. Breeders were fed corn based diets during rearing and lay and from 56 to 62 weeks of age, these diets contained either 100% inorganic TM or an organic TM source to replace 30% of Cu, Zn, and Mn. Embryo BW, residual yolk, and gastrointestinal tract (GIT) development from 19 to 21 days of incubation were evaluated in 62-weeks-old breeder offspring. Allometric coefficients were determined for each GIT component. All possible interactions of this 2 x 2 x 2 factorial design were evaluated at each embryo age. Results indicated treatment effects on relative weights of GIT organs for only two-way and main effects. Allometric coefficients suggested that progeny of breeders fed diets with 100% inorganic TM or according to late fast (LF) had faster development of gizzard+proventriculus and gut, respectively. In breeder feeding practices and TM nutrition may affect GIT development of embryo progeny.en
dc.description.affiliationN Carolina State Univ, Dept Poultry Sci, Raleigh, NC 27695 USA
dc.description.affiliationUniv Estadual Paulista, UNESP, Jaboticabal, SP, Brazil
dc.description.affiliationUniversidade Federal de Goiás (UFG), Goiania, Go, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, UNESP, Jaboticabal, SP, Brazil
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.format.extent122-132
dc.identifierhttp://dx.doi.org/10.3184/175815511X13147937995611
dc.identifier.citationAvian Biology Research. St Albans: Science Reviews 2000 Ltd, v. 4, n. 3, p. 122-132, 2011.
dc.identifier.doi10.3184/175815511X13147937995611
dc.identifier.issn1758-1559
dc.identifier.urihttp://hdl.handle.net/11449/42244
dc.identifier.wosWOS:000296709300005
dc.language.isoeng
dc.publisherScience Reviews 2000 Ltd
dc.relation.ispartofAvian Biology Research
dc.relation.ispartofjcr0.938
dc.relation.ispartofsjr0,401
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectembryo developmenten
dc.subjectmaternal effectsen
dc.subjectnutritionen
dc.subjectorganic trace mineralsen
dc.titleBroiler breeder trace mineral nutrition and feeding practices on embryo progeny developmenten
dc.typeArtigo
dcterms.licensehttp://www.sciencereviews2000.co.uk/downloads/instructions/abr.pdf
dcterms.rightsHolderScience Reviews 2000 Ltd
dspace.entity.typePublication

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