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Effects of adding a spray-dried polyclonal antibody preparation on ruminal fermentation patterns and digestibility of cows fed high concentrate diets

dc.contributor.authorBastos, Joao Paulo S. T. [UNESP]
dc.contributor.authorMarino, Carolina T.
dc.contributor.authorMillen, Danilo D. [UNESP]
dc.contributor.authorPacheco, Rodrigo D. L.
dc.contributor.authorDiniz-Magalhaes, Juliane
dc.contributor.authorPerna, Flavio
dc.contributor.authorMartins, Cyntia Ludovico [UNESP]
dc.contributor.authorRodrigues, Paulo Henrique M.
dc.contributor.authorArrigoni, Mario D. B. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Federal de Mato Grosso (UFMT)
dc.date.accessioned2013-09-30T18:27:30Z
dc.date.accessioned2014-05-20T13:40:42Z
dc.date.available2013-09-30T18:27:30Z
dc.date.available2014-05-20T13:40:42Z
dc.date.issued2012-01-01
dc.description.abstractThe present study aimed to evaluate the effects of different doses of a spray-dried polyclonal antibody preparation against specific ruminal bacteria on rumen fermentation parameters as well as protozoa counts, in situ degradability of sugarcane neutral detergent fibre (NDF) and total tract apparent digestibility of total diet in cows fed high concentrate diets. Eight ruminally-cannulated cows were used in a replicated 4 4 Latin square design with four experimental periods of 21 days. The treatments were: T1 (control), 0.0 g/d of multivalent polyclonal antibody preparation (PAP-MV); T2, 1.5 g/d of PAP-MV; T3, 3.0 g/d of PAP-MV; T4, 4.5 g/d of PAP-MV. Sample collection for rumen fermentation parameters was carried out the last day of each period at 0, 2, 4, 6, 8, 10 and 12 h after morning meal. For protozoa counts, samples were collected the last day of each period at 0 and 4 h after feeding. In situ degradability of sugarcane NDF was performed the last 5 days of each period, while total tract apparent digestibility of total diet was assessed the last 10 days of each period. Regardless of sampling time, there was no linear or quadratic effect on rumen pH, total concentration of short chain fatty acids, molar proportion of acetate, propionate and butyrate, ammonia nitrogen (NH3-N) or lactate. No treatment effects were detected for protozoa counts, in situ degradability of sugarcane NDF and total tract apparent digestibility of total diet. In conclusion, different levels of spray-dried PAP-MV were not sufficient to alter rumen environment.en
dc.description.affiliationUniv Estadual Paulista, Dept Melhoramento & Nut Anim, Botucatu, SP, Brazil
dc.description.affiliationUniv São Paulo, Dept Nutr & Prod Anim, Pirassununga, Brazil
dc.description.affiliationUniv Estadual Paulista, Fac Zootecnia, Dracena, Brazil
dc.description.affiliationUniv Fed Mato Grosso, Dept Zootecnia & Extensao Rural, Cuiaba, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Melhoramento & Nut Anim, Botucatu, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Fac Zootecnia, Dracena, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.format.extent7
dc.identifierhttp://dx.doi.org/10.4081/ijas.2012.e76
dc.identifier.citationItalian Journal of Animal Science. Pavia: Pagepress Publ, v. 11, n. 4, p. 7, 2012.
dc.identifier.doi10.4081/ijas.2012.e76
dc.identifier.fileWOS000319902200014.pdf
dc.identifier.issn1594-4077
dc.identifier.urihttp://hdl.handle.net/11449/14122
dc.identifier.wosWOS:000319902200014
dc.language.isoeng
dc.publisherPagepress Publ
dc.relation.ispartofItalian Journal of Animal Science
dc.relation.ispartofjcr0.990
dc.relation.ispartofsjr0,434
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectFeed additiveen
dc.subjectpHen
dc.subjectRumenen
dc.subjectShort chain fatty acidsen
dc.titleEffects of adding a spray-dried polyclonal antibody preparation on ruminal fermentation patterns and digestibility of cows fed high concentrate dietsen
dc.typeArtigo
dcterms.licensehttp://www.aspajournal.it/index.php/ijas/about/submissions#copyrightNotice
dcterms.rightsHolderPagepress Publ
dspace.entity.typePublication
unesp.author.orcid0000-0003-3224-1688[9]
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Ciências Agrárias e Tecnológicas, Dracenapt
unesp.departmentZootecnia - FCATpt

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