Efeito de Diferentes Níveis de Manganês e Fósforo Sobre o Desempenho e a Qualidade da Casca dos Ovos de Poedeiras Comerciais

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorDe Faria, Douglas Emygdio
dc.creatorJunqueira, Otto Mack
dc.creatorSakomura, Nilva Kazue
dc.creatorSantana, Aureo Evangelista
dc.date2014-05-27T11:19:41Z
dc.date2016-10-25T18:15:34Z
dc.date2014-05-27T11:19:41Z
dc.date2016-10-25T18:15:34Z
dc.date1999-01-01
dc.date.accessioned2017-04-06T00:53:41Z
dc.date.available2017-04-06T00:53:41Z
dc.identifierRevista Brasileira de Zootecnia, v. 28, n. 1, p. 105-112, 1999.
dc.identifier0100-4859
dc.identifierhttp://hdl.handle.net/11449/65698
dc.identifierhttp://acervodigital.unesp.br/handle/11449/65698
dc.identifier10.1590/S1516-35981999000100015
dc.identifierS1516-35981999000100015
dc.identifierWOS:000079263100015
dc.identifier2-s2.0-0345821718.pdf
dc.identifier2-s2.0-0345821718
dc.identifierhttp://dx.doi.org/10.1590/S1516-35981999000100015
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/887390
dc.descriptionThe objective of this experiment was to evaluate the different levels of manganese and phosphorus (P) on the performance and eggshell quality and on determined blood constituents of 96 laying hens Hy-Line W36, with 60 weeks of age, distributed in 24 lots with four hens each. A completely randomized experimental design was used in a factorial arrangement (3x2), manganese levels (70, 140 and 210 ppm) and total phosphorus levels (.35 and .55%), totalizing six treatments with four replicates each. The experimental diets were isoproteic (16.0% CP), isocaloric (2800 kcal ME/kg), isocalcium (4.0% Ca) and isosodium (.16% Na). The manganese levels did not alter the production and eggshell quality. However, when hens were fed diets containing .35% of total P, there were observed decreases in the egg production, egg weight and egg mass, without alterations in eggshell quality characteristics. The supplemental manganese levels were not effective to improve eggshell quality at the final phase of production. The total phosphorus level of .35% was inadequate for the laying hens to express the normal production characteristics.
dc.languagepor
dc.relationRevista Brasileira de Zootecnia
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectEggshell quality
dc.subjectLaying hens
dc.subjectManganese
dc.subjectNutrition
dc.subjectPhosphorus
dc.titleEfeito de Diferentes Níveis de Manganês e Fósforo Sobre o Desempenho e a Qualidade da Casca dos Ovos de Poedeiras Comerciais
dc.typeOtro


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