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Evaluación del policultivo de Cachama blanca y la Tilapia del Nilo alimentada con plantas acuáticas fermentadas

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dc.contributor.authorCruz-Velásquez, Yorcelisspa
dc.contributor.authorKijora, Claudiaspa
dc.contributor.authorVergara-Hernández, Wensyspa
dc.contributor.authorSchulz, Carstenspa
dc.date.accessioned2014-09-01 00:00:00
dc.date.accessioned2022-06-13T17:42:00Z
dc.date.available2014-09-01 00:00:00
dc.date.available2022-06-13T17:42:00Z
dc.date.issued2014-09-01
dc.description.abstractJuveniles de Cachama blanca y Tilapia del Nilo con un promedio de 86.7 y 39.6 g, respectivamente, fueron cultivados en 12 unidades experimentales (18m2) con una densidad total de tres pecesm2. La mezcla de especies consistió en 25% Cachama blanca y el 75% Tilapia. Los peces fueron alimentados con un pienso comercial (proteína bruta 24%) como dieta de control. La lenteja de agua fermentada (Duckweeds: DW), (Lemna minor y Spirodela polyrhiza), y la Azolla fermentada (Water fern: WF), (Azolla filiculoides), fueron ofrecidas como dietas experimentales al 15% de nivel de sustitución para un total de tres tratamientos con cuatro repeticiones por tratamiento. El experimento se llevó a cabo en un período de 120 días. El crecimiento y los parámetros productivos fueron evaluados. Los resultados de Cachama blanca mostraron que no se encontraron diferencias significativas para el FCR (2,7-3,0), la biomasa total (desde 5536 hasta 6444 g) y el rendimiento (3076 a 3580 kg/ha) entre los tratamientos. El peso final (423-494 g), la ganancia de peso y la tasa de crecimiento específico (SGR) fueron mayores para la Cachama blanca alimentada con la dieta control y la dieta DW que para aquellos alimentados con la dieta WF. Resultados similares fueron observados para la Tilapia del Nilo. El peso final medio, la ganancia de peso y la tasa de crecimiento específica (SGR) de la Tilapia del Nilo alimentados con la dieta DW no diferían de manera significativa de la dieta control, pero sí de los peces alimentados con la dieta WF, lo cuales mostraron un desarrollo significativamente menor. El rendimiento de la Tilapia del Nilo varió de 3124 a 3829 kg/ha y no hubo diferencias entre los tratamientos. El FCR promedio calculado para la Tilapia del Nilo fue entre 2.1 y 2.5 y resultó mejor que para la Cachama blanca. Los resultados indicaron que la lenteja de agua fermentada (Lemna minor y Spirodela polyrhiza) puede reemplazar efectivamente hasta un 15% del alimento comercial en un policultivo tradicional de Tilapia del Nilo y Cachama blanca.spa
dc.description.abstractJuveniles of Cachama blanca and Nile tilapia averaging 86.7 g and 39.6 g, respectively, were co-stocked in 12 experimental units (18m2 in area) at a total density of three fish m-2.The species mixture consisted of 25% Cachama blanca and 75% tilapia. The fish were fed with a commercial aquafeed (24% crude protein) as control diet. Fermented duckweeds (DW), Lemna minor and Spirodela polyrhiza, and fermented water fern (WF), Azolla filiculoides, at 15% substitution level of the commercial aqua feed were offered as experimental diets for a total of three treatments with four replicates per treatment. The experiment was carried out during a period of 120 days of rearing. Growth performance and productive parameters were evaluated. Results on Cachama blanca showed that no significant differences were found for FCR (from 2.7 to 3.0), total Biomass (5536 to 6444 g) and yield (from 3076 to 3580 kg/ha) among treatments. Mean final weight (from 423 to 494 g), weight gain and specific growth ratio (SGR) were higher for Cachama blanca fed on control and DW diets than for those fed on WF diets. Similar results were observed for Nile tilapia. Mean final weight, weight gain and SGR of Nile tilapia fed on DW do not differed significantly from the control diet, but for those fed on WF, which performance was significantly lower. Yield for Nile tilapia varied from 3124 to 3829 kg ha-1 and did not differ between the treatments. Average FCR was calculated for Nile tilapia between 2.1 and 2.5 and was better than for Cachama blanca. Results indicated that fermented duckweeds (Lemna minor and Spirodela polyrhiza) can effectively replace commercial aqua feed at a 15% level for rearing juveniles of Cachama blanca and Nile tilapia in a traditional polyculture.eng
dc.format.mimetypeapplication/pdfeng
dc.identifier.doi10.22579/20112629.386
dc.identifier.eissn2011-2629
dc.identifier.issn0121-3709
dc.identifier.urihttps://repositorio.unillanos.edu.co/handle/001/2625
dc.identifier.urlhttps://doi.org/10.22579/20112629.386
dc.language.isoengeng
dc.publisherUniversidad de los Llanosspa
dc.relation.bitstreamhttps://orinoquia.unillanos.edu.co/index.php/orinoquia/article/download/386/992
dc.relation.citationeditionNúm. 2 sup , Año 2014 : Vol. 18 Núm 2 sup (2014)spa
dc.relation.citationendpage277
dc.relation.citationissue2 supspa
dc.relation.citationstartpage269
dc.relation.citationvolume18spa
dc.relation.ispartofjournalOrinoquiaspa
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dc.rightsOrinoquia - 2014eng
dc.rights.accessrightsinfo:eu-repo/semantics/openAccesseng
dc.rights.coarhttp://purl.org/coar/access_right/c_abf2eng
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/eng
dc.sourcehttps://orinoquia.unillanos.edu.co/index.php/orinoquia/article/view/386eng
dc.subjectCompetenciasspa
dc.subjectcompetencias investigativasspa
dc.subjectinvestigación formativaspa
dc.subjectEducación. Educación física. Investigación formativa.spa
dc.titleEvaluación del policultivo de Cachama blanca y la Tilapia del Nilo alimentada con plantas acuáticas fermentadasspa
dc.title.translatedOn-farm evaluation of Cachama blanca and Nile tilapia fed fermented aquatic plants in a polycultureeng
dc.typeArtículo de revistaspa
dc.typeJournal Articleeng
dc.type.coarhttp://purl.org/coar/resource_type/c_6501eng
dc.type.coarversionhttp://purl.org/coar/version/c_970fb48d4fbd8a85eng
dc.type.contentTexteng
dc.type.driverinfo:eu-repo/semantics/articleeng
dc.type.localSección Artículosspa
dc.type.localSección Articleseng
dc.type.versioninfo:eu-repo/semantics/publishedVersioneng
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