Publicación: Efecto de la densidad de siembra sobre el peso corporal y sobrevivencia de larvas de bagre rayado (Pseudoplatystoma sp) en un sistema cerrado de circulación
| dc.contributor.author | Castañeda A, Germán | spa |
| dc.contributor.author | Cruz-Ochoa, Pablo Felipe | spa |
| dc.contributor.author | Moraes, Gilberto | spa |
| dc.contributor.author | Yossa P, Martha | spa |
| dc.contributor.author | Cruz-Casallas, Pablo E. | spa |
| dc.date.accessioned | 2016-07-01 00:00:00 | |
| dc.date.accessioned | 2022-06-13T17:41:40Z | |
| dc.date.available | 2016-07-01 00:00:00 | |
| dc.date.available | 2022-06-13T17:41:40Z | |
| dc.date.issued | 2016-07-01 | |
| dc.description.abstract | Con el propósito de evaluar los efectos de la densidad de siembra sobre el peso corporal y la sobrevivencia de larvas de bagre rayado (Pseudoplatystoma sp), fue diseñado y construido un sistema cerrado de recirculación, el cual permitió mantener estables las variables físicas y químicas del agua durante todo el período experimental. Para este propósito, larvas vitelinas fueron sembradas en el sistema a tres densidades, así: 10 (T1), 50 (T2) y 100 (T3) larvas por litro y monitoreadas hasta los 20 días post-eclosión. Fueron evaluadas cuatro réplicas por tratamiento, mantenidas bajo fotoperiodo 0:24 (luz:oscuridad) y alimentadas hasta aparente saciedad con nauplios de Artemia salina recién eclosionados, los cuales fueron suministrados repartidos en cinco raciones por día: a las 07:00, 09:00, 14:00, 18:00 y 22:00 horas. Las características de calidad de agua observadas durante el ensayo fueron: oxígeno disuelto 5.7 ± 0.5 mg/L; temperatura 26 ± 0.8°C; pH 7.6 ± 0.2; dureza 38.2 ± 5.2 mgCaCO3/L; alcalinidad 26.5 ± 5.2 mg CaCO3/L; NH3<0.02 mg/L; salinidad 0.4 ± 0.1 g/L; conductividad 841.1 ± 38.1 µS/cm. Al final del ensayo, el peso corporal varió inversamente a la densidad de siembra: 103.0 ± 15.6; 76.1 ± 19.8 y 66.7 ± 9.3 mg, respectivamente, pero no se observaron diferencias significativas entre las dos densidades más altas P>0.05). La sobrevivencia fue mayor en la densidad de 10 larvas/L, siendo diferente estadísticamente entre tratamientos (86.5 ± 1.9%; 54.7 ± 2.2% y 46.9 ± 3.1% para 10, 50 y 100 larvas/L, respectivamente, P<0.01). En conclusión, la densidad de siembra afecta inversamente el peso corporal y la sobrevivencia de las larvas en esta especie.Palabras clave: peso corporal; densidad; larvas de peces; Pseudoplatystoma sp; supervivencia; body weight; density; fish larvae; Pseudoplatystoma sp; survival | spa |
| dc.description.abstract | In order to evaluate the effects of larval density rearing on body weight and survival of larvae of striped catfish (Pseudoplatystoma sp), was designed and built a closed recirculation system, which allowed maintaining stable physical and chemical variables of water throughout the experimental period. For this purpose, vitelline larvae were rearing in three densities: 10 (T1), 50 (T2) and 100 (T3) larvae per liter and monitored until 20 days post-hatch. They were evaluated four replicates per treatment, kept under photoperiod 0:24 (light: dark) and fed to apparent satiety with Artemia saline hatchlings, which were supplied divided into five portions a day: at 07:00, 09: 00, 14:00, 18:00 and 22:00 hours. The water quality characteristics observed during the test were: dissolved oxygen 5.7 ± 0.5 mg/L; temperature 26 ± 0.8 ° C; pH 7.6 ± 0.2; hardness 38.2 ± 5.2 mgCaCO3/L; alkalinity 26.5 ± 5.2 mg CaCO3 / L; NH3 <0.02 mg/L; salinity 0.4 ± 0.1 g/L; conductivity 841.1 ± 38.1µS/ cm. At the end of the test, body weight varied inversely with rearing density: 103.0 ± 15.6; 76.1 ± 19.8 and 66.7 ± 9.3 mg, respectively, but no significant difference between the two highest densities P>0.05) were observed. Survival was higher in the density of 10 larvae/L, being statistically different between treatments (86.5 ± 1.9%, 54.7 ± 2.2% and 46.9 ± 3.1% for 10, 50 and 100 larvae/L, respectively, P<0.01). In conclusion, larval density inversely rearing affects body weight and survival of the larvae in this species.Keywords: body weight; density; fish larvae; Pseudoplatystoma sp; survival (Source: AIMS). | eng |
| dc.format.mimetype | text/html | spa |
| dc.format.mimetype | application/pdf | spa |
| dc.identifier.doi | 10.22579/20112629.327 | |
| dc.identifier.eissn | 2011-2629 | |
| dc.identifier.issn | 0121-3709 | |
| dc.identifier.uri | https://repositorio.unillanos.edu.co/handle/001/2546 | |
| dc.identifier.url | https://doi.org/10.22579/20112629.327 | |
| dc.language.iso | spa | spa |
| dc.publisher | Universidad de los Llanos | spa |
| dc.relation.bitstream | https://orinoquia.unillanos.edu.co/index.php/orinoquia/article/download/327/902 | |
| dc.relation.bitstream | https://orinoquia.unillanos.edu.co/index.php/orinoquia/article/download/327/pdf_18 | |
| dc.relation.citationedition | Núm. 1 , Año 2016 | spa |
| dc.relation.citationendpage | 61 | |
| dc.relation.citationissue | 1 | spa |
| dc.relation.citationstartpage | 56 | |
| dc.relation.citationvolume | 20 | spa |
| dc.relation.ispartofjournal | Orinoquia | spa |
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| dc.rights | Orinoquia - 2016 | spa |
| dc.rights.accessrights | info:eu-repo/semantics/openAccess | spa |
| dc.rights.coar | http://purl.org/coar/access_right/c_abf2 | spa |
| dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | spa |
| dc.source | https://orinoquia.unillanos.edu.co/index.php/orinoquia/article/view/327 | spa |
| dc.title | Efecto de la densidad de siembra sobre el peso corporal y sobrevivencia de larvas de bagre rayado (Pseudoplatystoma sp) en un sistema cerrado de circulación | spa |
| dc.title.translated | The effect of rearing density on body weight and survival of larval stripped catfish (Pseudoplatystoma sp) into a closed circulating system | eng |
| dc.type | Artículo de revista | spa |
| dc.type | Journal Article | eng |
| dc.type.coar | http://purl.org/coar/resource_type/c_6501 | spa |
| dc.type.coarversion | http://purl.org/coar/version/c_970fb48d4fbd8a85 | spa |
| dc.type.content | Text | spa |
| dc.type.driver | info:eu-repo/semantics/article | spa |
| dc.type.local | Sección Artículos | spa |
| dc.type.local | Sección Articles | eng |
| dc.type.version | info:eu-repo/semantics/publishedVersion | spa |
| dspace.entity.type | Publication |