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CONICET Digital
Article . 2020
License: CC BY NC ND
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Acción de promotores de crecimiento sobre la mucosa intestinal de pollos parrilleros

Authors: Pinto, Silvina; Vignoni, Ernesto; Esquivel, Cecilia María; Prosdocimo, Florencia Maria; Mitarotonda, Romina; Cerny, Natacha; Barrios, Hebe Alicia; +2 Authors

Acción de promotores de crecimiento sobre la mucosa intestinal de pollos parrilleros

Abstract

La búsqueda de productos naturales para reemplazar eluso de antibióticos de síntesis química en la producciónaviar se ha incrementado últimamente. Los flavonoidesde los extractos vegetales contienen catequinas conpropiedades antibacterianas y antioxidantes. En el presentetrabajo estudiamos un extracto vegetal polifenólico (EVP)derivado del quebracho colorado (Schinopsis lorentzii)como aditivo dietario. Se analizó su efecto (500 g/toneladade alimento) en pollos parrilleros hasta el día 35 de vida,respecto a un promotor antibiótico, bacitracina metilenodisalicilato (BMD) (500 g/tonelada de alimento) y ungrupo control que no recibió aditivos. No se observarondiferencias significativas en los parámetros productivos nien los estudios histológicos e histomorfométricos en variostramos intestinales, salvo al día 35 en que se encontró unincremento significativo en la relación vellosidad?cripta delíleon, en las aves que recibieron el EVP con respecto alresto de los grupos estudiados. Por otro lado, las aves querecibieron BMD presentaron una disminución significativaen el nivel de IgA secretoria. De esta manera, se postulaque el EVP es un excelente candidato para reemplazar a losantibióticos de origen sintético ya que mejoraría la absorciónde nutrientes sin interferir en los niveles de IgA secretoria.

The search for natural products to replace the use of chemically synthesized antibiotics in avian production has increased lately. Flavonoids in plant extracts contain catechins with antibacterial and antioxidant properties. In the present work we study a polyphenolic vegetable extract (PVE) derived from the quebracho red wood (Schinopsis lorentzii) as a dietary additive. Its effect (500 g/ton of feed) in broiler chickens until day 35 of life was analyzed with respect to an antibiotic promoter, bacitracin methylene disalicylate (BMD) (500 g/ton of feed) and a control group that did not receive additives. No significant differences were observed in the productive parameters nor in the histological and histomorphometric studies in various intestinal sections, except for a significant increase in the ileum villus-crypt ratio found in the chickens that received the PVE, on day 35, compared to the rest of the groups under study. On the other hand, the poultry that received BMD presented a significant decrease in the level of secretory IgA. Thus, it is postulated that PVE is an excellent candidate to replace synthetic antibiotics since it would improve the absorption of nutrients without interfering with secretory IgA levels.

Fil: de Marzi, Mauricio Cesar. Universidad Nacional de Luján. Instituto de Ecología y Desarrollo Sustentable. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Ecología y Desarrollo Sustentable; Argentina

Fil: Mitarotonda, Romina. Universidad Nacional de Luján. Instituto de Ecología y Desarrollo Sustentable. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Ecología y Desarrollo Sustentable; Argentina

Fil: Cerny, Natacha. Universidad Nacional de Luján. Instituto de Ecología y Desarrollo Sustentable. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Ecología y Desarrollo Sustentable; Argentina

Fil: Esquivel, Cecilia María. Universidad Nacional de Luján. Departamento de Tecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina

Fil: Prosdocimo, Florencia Maria. Universidad Nacional de Luján. Departamento de Tecnología; Argentina

Fil: Barrios, Hebe Alicia. Universidad Nacional de Luján. Departamento de Ciencias Básicas; Argentina

Fil: De Franceschi, Mauricio. Universidad Nacional de Luján. Departamento de Tecnología; Argentina

Fil: Pinto, Silvina. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina

Country
Argentina
Keywords

mucosa intestinal, https://purl.org/becyt/ford/4.3, promotores de crecimiento, pollos, https://purl.org/becyt/ford/4, IgA

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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Green