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dc.contributor.authorBerto, Dirlei Antonlo-
dc.contributor.authorKronka, Rodolfo Nascimento-
dc.contributor.authorDos Santos, Heid Sueli Leme-
dc.contributor.authorThomaz, Maria Cristina-
dc.contributor.authorCurtarelli, Sandra Mara-
dc.identifier.citationRevista Brasileira de Zootecnia, v. 25, n. 5, p. 973-986, 1996.-
dc.description.abstractThirty piglets, weaned at an average age of 28 days, were used in experiment one. After weaning, 24 animals were transferred to the nursery in groups of two to each pen and fed simple or semi-complex diets ad libitum. On weaning day (day 0), six pigs were slaughtered. On days 7 and 21 post-weaning, one animal from each nursery pen was slaughtered to study mucosal thickness (MTD and MTJ) and villi heights (VHD and VHJ) in the duodenum and jejunum. The average values observed for MTD, VHD, MTJ, and VHJ were not influenced by type of diet. MTD, MTJ, and VHJ increased from days 7 to 21 post-weaning. Polynomial regression spanning days 0, 7, and 21 showed a linear effect for MTJ and a quadratic effect for VHD and VHJ. In experiment two, 16 piglets weaned at an average age of 28 days were used in two metabolic trials carried out during two periods of the initial phase (days 5 to 14 and days 19 to 28 postweaning), to determine the nutritional value of simple and semi-complex diets. There were no differences among treatments in apparent digestibility of crude protein and dry matter and the values for digestible or metabolizable energy of the diets. It was concluded that composition of the starter diet did not influence the intestinal morphology of piglets, the digestibilities of dry matter and crude protein, or the digestible and metabolizable energy contents of the diets.en
dc.subjectIntestinal morphology-
dc.subjectTypes of diets-
dc.subjectWeaning pigs-
dc.titleEfeitos do tipo de ração inicial sobre a morfologia intestinal e digestibiliade dos nutrientes em leitõespt
dc.title.alternativeEffects of starter diets on intestinal morphology and nutrient degestibility in weaning pigsen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationFMVZ UNESP, 18618-000-Botucatu/SP-
dc.description.affiliationFCAV UNESP, 14870-000-Jaboticabal/SP-
dc.description.affiliationUnespFMVZ UNESP, 18618-000-Botucatu/SP-
dc.description.affiliationUnespFCAV UNESP, 14870-000-Jaboticabal/SP-
dc.rights.accessRightsAcesso aberto-
dc.relation.ispartofRevista Brasileira de Zootecnia-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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