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Polyclonal antibodies as a feed additive for cattle adapted or not adapted to highly fermentable carbohydrate diets

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dc.contributor.authorBarros, Tarley A.
dc.contributor.authorCassiano, Eduardo C. O.
dc.contributor.authorMarino, Carolina T.
dc.contributor.authorPacheco, Rodrigo D. L.
dc.contributor.authorFerreira, Fernanda A.
dc.contributor.authorJunior, Flavio Perna
dc.contributor.authorMartins, Maurício F.
dc.contributor.authorMeyer, Paula M.
dc.contributor.authorMillen, Danilo D. [UNESP]
dc.contributor.authorArrigoni, Mário D. B. [UNESP]
dc.contributor.authorRodrigues, Paulo H. M.
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)
dc.contributor.institutionMato Grosso State Agricultural and Extension Service
dc.contributor.institutionBrazilian Institute of Geography and Statistics–IBGE
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2020-12-12T01:46:42Z
dc.date.available2020-12-12T01:46:42Z
dc.date.issued2019-01-01
dc.description.abstractThe effect of a polyclonal antibody preparation (PAP) against Streptococcus bovis and Fusobacterium necrophorum on ruminal fermentation and digestion in ruminally cannulated cows was investigated in two 3 × 3 Latin squares in factorial arrangement of treatments 3 × 2 regarding two feed additives (PAP in powder (PAPP) and in liquid (PAPL) presentation) plus control (CON) and two managements of diets (with or without adaptation to highly fermentable carbohydrate diets). Adapted group had greater DMI (p < 0.0001) and DM (p < 0.0001), NDF (p = 0.03) and total carbohydrates (p < 0.0001) apparent digestibility when compared to non-adapted group. PAPL had greater DM (p = 0.02), NDF (p = 0.03) and total carbohydrates apparent digestibility when compared to PAPP or CON. Adapted animals had lower (p < 0.0001) rumen pH when compared to non-adapted animals. Moreover, PAPL group had greater (p = 0.04) rumen pH values when compared to PAPP and CON. PAPL showed potential effect as an additive by increasing apparent digestibility of DM, NDF and total carbohydrates and also for being more efficient to prevent the drop in rumen pH during the peak of fermentation.en
dc.description.affiliationDepartment of Animal Nutrition and Production University of Sao Paulo–FMVZ/USP
dc.description.affiliationEmbrapa Beef Cattle
dc.description.affiliationMato Grosso State Agricultural and Extension Service
dc.description.affiliationBrazilian Institute of Geography and Statistics–IBGE
dc.description.affiliationCollege of Technology and Agricultural Sciences Sao Paulo State University–UNESP
dc.description.affiliationDepartment of Animal Breeding and Nutrition Sao Paulo State University–FMVZ/UNESP
dc.description.affiliationUnespCollege of Technology and Agricultural Sciences Sao Paulo State University–UNESP
dc.description.affiliationUnespDepartment of Animal Breeding and Nutrition Sao Paulo State University–FMVZ/UNESP
dc.format.extent565-572
dc.identifierhttp://dx.doi.org/10.1080/09712119.2019.1691561
dc.identifier.citationJournal of Applied Animal Research, v. 47, n. 1, p. 565-572, 2019.
dc.identifier.doi10.1080/09712119.2019.1691561
dc.identifier.issn0974-1844
dc.identifier.issn0971-2119
dc.identifier.scopus2-s2.0-85075340613
dc.identifier.urihttp://hdl.handle.net/11449/199693
dc.language.isoeng
dc.relation.ispartofJournal of Applied Animal Research
dc.sourceScopus
dc.subjectPassive immunization
dc.subjectruminal fermentation
dc.subjecttotal tract apparent digestibility
dc.titlePolyclonal antibodies as a feed additive for cattle adapted or not adapted to highly fermentable carbohydrate dietsen
dc.typeArtigo
dspace.entity.typePublication
unesp.author.orcid0000-0002-1850-5280[3]
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Medicina Veterinária e Zootecnia, Botucatupt
unesp.departmentMelhoramento e Nutrição Animal - FMVZpt

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Botucatu - FMVZ - Faculdade de Medicina Veterinária e Zootecnia