Efecto de diferentes niveles de carnitina parenteral sobre el consumo de materia seca, producción y composición de la leche en vacas Holstein durante el período de transición a la lactancia.

ilustraciones, tablas

Autores:: Zabala Mendoza, Alcides

Tipo de recurso:

Fecha de publicación:: 2019

Institución:: Universidad Nacional de Colombia

Repositorio:: Universidad Nacional de Colombia

Idioma:: spa

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repository_id_str
dc.title.spa.fl_str_mv	Efecto de diferentes niveles de carnitina parenteral sobre el consumo de materia seca, producción y composición de la leche en vacas Holstein durante el período de transición a la lactancia.
dc.title.translated.eng.fl_str_mv	Effect of different levels of parenteral carnitine on dry matter intake, production and milk composition in Holstein cows during the period of transition to lactation.
title	Efecto de diferentes niveles de carnitina parenteral sobre el consumo de materia seca, producción y composición de la leche en vacas Holstein durante el período de transición a la lactancia.
spellingShingle	Efecto de diferentes niveles de carnitina parenteral sobre el consumo de materia seca, producción y composición de la leche en vacas Holstein durante el período de transición a la lactancia. 630 - Agricultura y tecnologías relacionadas::637 - Procesamiento lechero y productos relacionados Industria lechera Leche Ganado lechero Carnitina parenteral Vacas lecheras en transición Balance de energía Composición de la leche Parenteral carnitine Dairy cows transitioning to lactation Energy balance Milk composition
title_short	Efecto de diferentes niveles de carnitina parenteral sobre el consumo de materia seca, producción y composición de la leche en vacas Holstein durante el período de transición a la lactancia.
title_full	Efecto de diferentes niveles de carnitina parenteral sobre el consumo de materia seca, producción y composición de la leche en vacas Holstein durante el período de transición a la lactancia.
title_fullStr	Efecto de diferentes niveles de carnitina parenteral sobre el consumo de materia seca, producción y composición de la leche en vacas Holstein durante el período de transición a la lactancia.
title_full_unstemmed	Efecto de diferentes niveles de carnitina parenteral sobre el consumo de materia seca, producción y composición de la leche en vacas Holstein durante el período de transición a la lactancia.
title_sort	Efecto de diferentes niveles de carnitina parenteral sobre el consumo de materia seca, producción y composición de la leche en vacas Holstein durante el período de transición a la lactancia.
dc.creator.fl_str_mv	Zabala Mendoza, Alcides
dc.contributor.advisor.spa.fl_str_mv	Giraldo Mejía, Ángel María Correa Cardona, Héctor Jairo
dc.contributor.author.spa.fl_str_mv	Zabala Mendoza, Alcides
dc.subject.ddc.spa.fl_str_mv	630 - Agricultura y tecnologías relacionadas::637 - Procesamiento lechero y productos relacionados
topic	630 - Agricultura y tecnologías relacionadas::637 - Procesamiento lechero y productos relacionados Industria lechera Leche Ganado lechero Carnitina parenteral Vacas lecheras en transición Balance de energía Composición de la leche Parenteral carnitine Dairy cows transitioning to lactation Energy balance Milk composition
dc.subject.lemb.none.fl_str_mv	Industria lechera Leche Ganado lechero
dc.subject.proposal.spa.fl_str_mv	Carnitina parenteral Vacas lecheras en transición Balance de energía Composición de la leche
dc.subject.proposal.eng.fl_str_mv	Parenteral carnitine Dairy cows transitioning to lactation Energy balance Milk composition
description	ilustraciones, tablas
publishDate	2019
dc.date.issued.none.fl_str_mv	2019-10-25
dc.date.accessioned.none.fl_str_mv	2021-09-17T14:20:32Z
dc.date.available.none.fl_str_mv	2021-09-17T14:20:32Z
dc.type.spa.fl_str_mv	Trabajo de grado - Maestría
dc.type.driver.spa.fl_str_mv	info:eu-repo/semantics/masterThesis
dc.type.version.spa.fl_str_mv	info:eu-repo/semantics/acceptedVersion
dc.type.content.spa.fl_str_mv	Text
dc.type.redcol.spa.fl_str_mv	http://purl.org/redcol/resource_type/TM
status_str	acceptedVersion
dc.identifier.uri.none.fl_str_mv	https://repositorio.unal.edu.co/handle/unal/80226
dc.identifier.instname.spa.fl_str_mv	Universidad Nacional de Colombia
dc.identifier.reponame.spa.fl_str_mv	Repositorio Institucional Universidad Nacional de Colombia
dc.identifier.repourl.spa.fl_str_mv	https://repositorio.unal.edu.co/
url	https://repositorio.unal.edu.co/handle/unal/80226 https://repositorio.unal.edu.co/
identifier_str_mv	Universidad Nacional de Colombia Repositorio Institucional Universidad Nacional de Colombia
dc.language.iso.spa.fl_str_mv	spa
language	spa
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dc.publisher.faculty.spa.fl_str_mv	Facultad de Ciencias Agrarias
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dc.publisher.branch.spa.fl_str_mv	Universidad Nacional de Colombia - Sede Medellín
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spelling	Atribución-NoComercial-SinDerivadas 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Giraldo Mejía, Ángel María79be8ef534bcea5060dfa22d5c9118be600Correa Cardona, Héctor Jairo43efe74f83238427f1e912651de91895600Zabala Mendoza, Alcidesbe07ba9013e644a5e4d066f77a945f2a6002021-09-17T14:20:32Z2021-09-17T14:20:32Z2019-10-25https://repositorio.unal.edu.co/handle/unal/80226Universidad Nacional de ColombiaRepositorio Institucional Universidad Nacional de Colombiahttps://repositorio.unal.edu.co/ilustraciones, tablasEl período de transición de la gestación a la lactancia genera cambios hormonales en vacas lecheras los cuales alteran el metabolismo energético, el consumo, la producción y la calidad de la leche. Se ha sugerido que la L-carnitina podría contribuir reducir estas alteraciones al favorecer el metabolismo de lípidos. El objetivo de este estudio fue evaluar el efecto de la aplicación intramuscular de L-carnitina en dosis de 5, 10 y 15 gramos cada 5 días desde el día 20 preparto hasta el día 15 posparto sobre el consumo de materia seca (CMS), balance de energía (BE), producción (PL) y calidad de la leche. Para ello se seleccionaron 24 vacas Holstein entre segundo y sexto parto, cuya base de alimentación fue pastoreo de Cenchrus clandestinus. Hochst Ex chiov y un complemento alimenticio ofrecido a razón de 2 kg diarios durante el preparto. Después del tercer día postparto diariamente se ofreció un kg de complemento alimenticio por cada cuatro litros de leche producido. 20 días antes de la fecha prevista del parto y hasta 15 días después de éste las vacas recibieron cada cinco días la aplicación intramuscular de L-carnitina en solución de acuerdo con los siguientes tratamientos: T0 (Grupo control, sin aplicación de Lcarnitina), T1 (125 ml de solución equivalente a 5 g/d), T2 (250 ml de solución equivalente a 10 g/d) y T3 (375 ml de solución equivalente a 15 g/d). Cada tratamiento estuvo conformado por seis vacas. Mediante la técnica de indicadores se estimó el CMS. Los días 5, 10, 15 y 20 de lactancia se midieron el contenido de grasa (GrL) y proteína en la leche (PrtL). El día 270 de gestación y los días 10 y 20 postparto se calculó el BE de cada vaca. Los resultados de estas mediciones se analizaron en un diseño de parcelas divididas en el tiempo. Los tratamientos no afectaron el CMS, la PL, PrtL, GrL y el BE (p>0.05). Se concluye que la aplicación parenteral de L-carnitina en los niveles utilizados en el experimento a vacas Holstein en período de transición no afectó los parámetros evaluados. (Texto tomado de la fuente)The period of transition from gestation to lactation generates hormonal changes in dairy cows which alter the energy metabolism, consumption, production and quality of milk. It has been suggested that L-carnitine could contribute to reduce these alterations by favoring lipid metabolism. The objective of this study was to evaluate the effect of the intramuscular application of L-carnitine in doses of 5, 10 and 15 grams every 5 days from day 20 prepartum until day 15 postpartum on dry matter intake (CMS), balance of energy (BE), production (PL) and milk quality. To this end, 24 Holstein cows were selected between second and sixth calving, whose feeding base was grazed by Cenchrus clandestinus. Hochst Ex chiov and a dietary supplement offered at a rate of 2 kg per day during prepartum. After the third postpartum day, one kg of food supplement was offered daily for every four liters of milk produced. 10 days before the expected date of delivery and up to 15 days after the cows received the intramuscular application of L-carnitine in solution every five days in accordance with the following treatments: T0 (control group, without application of L-carnitine) , T1 (125 ml of equivalent solution at 5 g / d), T2 (250 ml of equivalent solution at 10 g / d) and T3 (375 ml of equivalent solution at 15 g / d). Each treatment consisted of six cows. Using the indicator technique, the CMS was estimated. On days 5, 10, 15 and 20 of lactation, the fat content (GrL) and protein in the milk (PrtL) were measured. On day 270 of pregnancy and on days 10 and 20 postpartum the BE of each cow was calculated. The results of these measurements were analyzed in a plot design divided in time. The treatments did not affect the CMS, PL, PrtL, GrL and BE (p> 0.05). It is concluded that the parenteral application of L-carnitine in the levels used in the experiment to Holstein cows in the transition period did not affect the parameters evaluated.MaestríaMagíster en Ciencias AgrariasNutrición Animalx, 57 páginasapplication/pdfspaUniversidad Nacional de ColombiaMedellín - Ciencias Agrarias - Maestría en Ciencias AgrariasDepartamento de Producción AnimalFacultad de Ciencias AgrariasMedellínUniversidad Nacional de Colombia - Sede Medellín630 - Agricultura y tecnologías relacionadas::637 - Procesamiento lechero y productos relacionadosIndustria lecheraLecheGanado lecheroCarnitina parenteralVacas lecheras en transiciónBalance de energíaComposición de la lecheParenteral carnitineDairy cows transitioning to lactationEnergy balanceMilk compositionEfecto de diferentes niveles de carnitina parenteral sobre el consumo de materia seca, producción y composición de la leche en vacas Holstein durante el período de transición a la lactancia.Effect of different levels of parenteral carnitine on dry matter intake, production and milk composition in Holstein cows during the period of transition to lactation.Trabajo de grado - Maestríainfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/acceptedVersionTexthttp://purl.org/redcol/resource_type/TMAdewuyi, A. 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Efecto de diferentes niveles de carnitina parenteral sobre el consumo de materia seca, producción y composición de la leche en vacas Holstein durante el período de transición a la lactancia.

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