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Efecto de la adición de compuestos antimicrobianos en la dieta sobre la microbiota y parámetros intestinales (íleon) en pollos de engorde.

dc.rights.licenseAtribución-NoComercial-SinDerivadas 4.0 Internacional
dc.contributor.advisorParra Suescún, Jaime
dc.contributor.advisorMadrid Garcés, Tomás Antonio
dc.contributor.authorMaya Ortega, Carlos Abel
dc.date.accessioned2021-07-13T15:52:13Z
dc.date.available2021-07-13T15:52:13Z
dc.date.issued2020
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/79797
dc.descriptionilustraciones
dc.description.abstractLos antibióticos promotores del crecimiento (APC) han sido utilizados por décadas en la alimentación avícola, con el objetivo de garantizar un alto rendimiento y baja mortalidad. La creciente preocupación por el incremento de bacterias resistentes a los antibióticos resultó en la estricta regulación en el uso de los APC, y ha conducido a la búsqueda e investigación de alternativas biológicamente seguras que minimicen la presencia de bacterias patógenas a nivel intestinal, mientras se promueve una mejor salud intestinal y se mantiene un buen rendimiento productivo de las aves. Los probióticos y los extractos de plantas han mostrado ser una alternativa para el reemplazo de los APC en la alimentación de aves de corral, dadas sus bondades sobre la integridad intestinal y el desempeño productivo. En la presente investigación se evaluó el efecto de un probiótico (Bacillus subtilis) y el aceite esencial de orégano-AEO (Lippia Origanoides) sobre la composición de la microbiota y la morfología intestinal a nivel de íleon y su relación con el desempeño zootécnico en pollos de engorde. Se encontró que tanto el uso de Bacillus subtilis como de AEO mejoran el rendimiento productivo (ganancia de peso y conversión alimenticia), la morfometría del íleon, (altura y ancho de la vellosidad y profundidad de la cripta), disminuyen el pH del intestino y modulan de manera favorable la microbiota intestinal conforme avanza la edad del ave. Así, el AEO y Bacillus subtilis se proyectan como alternativas para el reemplazo de los APC en la alimentación animal. (Tomado de la fuente)
dc.description.abstractGrowth promoting antibiotics (GPA) have been used for decades in poultry feed to ensure high productivity and low mortality. The growing concern about the increase in antibiotic resistant bacteria led to strong regulation in the use of growth promoting antibiotics and it has led to the search and investigation of biologically safe alternatives that minimize the presence of pathogenic bacteria in the intestine while promoting better intestinal health and maintaining good bird performance. Probiotics and plant extracts have been shown to be an alternative to replace GPA in the feed of birds due to the benefits on the integrity of the intestine and the performance of the birds. In the present investigation, the effect of a probiotic (bacillus subtilis) and the oregano essential oil on the composition of the microbiota and intestinal morphology at the ileum level and its relationship with performance in broilers was evaluated. The use of bacillus subtilis and OEO was found to improve performance (weight gain and feed conversion rate), ileum morphology, (height and width of villi and depth of crypts), decreases intestinal pH and favorably modulates the ileum microbiota as the age of the bird advances. in this way, OEO and bacillus subtilis become alternatives to replace GPA in animal feed. (Tomado de la fuente)
dc.format.extent98 páginas
dc.format.mimetypeapplication/pdf
dc.language.isospa
dc.publisherUniversidad Nacional de Colombia
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.ddc630 - Agricultura y tecnologías relacionadas::636 - Producción animal
dc.titleEfecto de la adición de compuestos antimicrobianos en la dieta sobre la microbiota y parámetros intestinales (íleon) en pollos de engorde.
dc.typeTrabajo de grado - Maestría
dcterms.audienceEspecializada
dc.type.driverinfo:eu-repo/semantics/masterThesis
dc.type.versioninfo:eu-repo/semantics/acceptedVersion
dc.publisher.programMedellín - Ciencias Agrarias - Maestría en Ciencias Agrarias
dc.contributor.researchgroupBiodiversidad y Génetica Molecular \'BIOGEM\'
dc.description.degreelevelMaestría
dc.description.degreenameMagíster en Ciencias Agrarias
dc.description.researchareaNutrición Animal
dc.identifier.instnameUniversidad Nacional de Colombia
dc.identifier.reponameRepositorio Institucional Universidad Nacional de Colombia
dc.identifier.repourlhttps://repositorio.unal.edu.co/
dc.publisher.departmentDepartamento de Producción Animal
dc.publisher.facultyFacultad de Ciencias Agrarias
dc.publisher.placeMedellín
dc.publisher.branchUniversidad Nacional de Colombia - Sede Medellín
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dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.subject.lembPollos de engorde
dc.subject.lembAlimentos para aves de corral
dc.subject.proposalAntibiótico
dc.subject.proposalAntibiotic
dc.subject.proposalAceite Esencial de Oregano
dc.subject.proposalOregano Essential Oil
dc.subject.proposalProbiótico
dc.subject.proposalProbiotic
dc.subject.proposalMicrobioma
dc.subject.proposalMicrobiome
dc.subject.proposalSalud Intestinal
dc.subject.proposalIntestinal Health
dc.title.translatedEffect of different antimicrobial compounds on the microbiome and intestinal parameters (ileum) in broilers.
dc.type.coarhttp://purl.org/coar/resource_type/c_bdcc
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aa
dc.type.contentText
dc.type.redcolhttp://purl.org/redcol/resource_type/TM
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2


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