Consumo de oxígeno del pargo flamenco Lutjanus guttatus (Perciformes: Lutjanidae) durante su cultivo larval
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| Formato: | Artículo científico |
| Lenguaje: | es |
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Universidad de Valparaíso
2016
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| _version_ | 1876458921482256384 |
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| author | M. Isabel Abdo-de la Parra |
| author_facet | M. Isabel Abdo-de la Parra |
| contents | Consumo de oxígeno del pargo flamenco Lutjanus guttatus (Perciformes: Lutjanidae) durante su cultivo larval M. Isabel Abdo-de la Parra M. Celene León-López L. Estela Rodríguez-Ibarra Gustavo A. Rodríguez-Montes de Oca Gabriela Velasco-Blanco José Cristóbal Román-Reyes Ciencias de la Tierra larvae Respiratory rates spotted rose snapper Oxygen consumption of different larval stages of the spotted rose snapper Lutjanus guttatus were evaluated to help design food strategies for its culture. Oxygen consumption was determined using closed respirometers at a constant temperature of 30°C in a thermoregulated bath. Six replicates and 2 control for each treatment were used. Larval stages were evaluated from 2 to 35 days after hatching (DDE). Dissolved oxygen was measured using a fiber-optic microsensor connected to an oximeter. Respiration was expressed in microliters of oxygen per milligram of dry biomass per hour (μLO2 mg-1Bs h-1). Results indicate that oxygen consumption rate (R) decreased with the age of the larvae. Higher oxygen consumption was observed in the first 5 DDE which coincides with the onset of exogenous feeding. At 14, 19 and 30 DDE respiration rates showed slight increases and appear to be associated with morphological changes of the larvae (preflexion, flexion and postflexion, respectively). The values of the exponents of the potential allometric relationship between the specific biomass respiration rate and for each individual, based on the dry biomass of the spotted rose snapper were -0.172 and 0.834 respectively. The data obtained are important to estimate oxygen demand during the larval rearing of the spotted rose snapper, and combined with nitrogen losses can be used to estimate feeding requirements based on energy losses. 2016 artículo científico 0717-3326 https://www.redalyc.org/articulo.oa?id=47945599005 es http://www.redalyc.org/revista.oa?id=479 Revista de Biología Marina y Oceanografía application/pdf Universidad de Valparaíso Revista de Biología Marina y Oceanografía (Chile) Num.1 Vol.51 |
| format | Artículo científico |
| id | redalyc_47945599005 |
| institution | Redalyc |
| language | es |
| publishDate | 2016 |
| publisher | Universidad de Valparaíso |
| spellingShingle | Consumo de oxígeno del pargo flamenco Lutjanus guttatus (Perciformes: Lutjanidae) durante su cultivo larval M. Isabel Abdo-de la Parra Ciencias de la Tierra larvae Respiratory rates spotted rose snapper Consumo de oxígeno del pargo flamenco Lutjanus guttatus (Perciformes: Lutjanidae) durante su cultivo larval M. Isabel Abdo-de la Parra M. Celene León-López L. Estela Rodríguez-Ibarra Gustavo A. Rodríguez-Montes de Oca Gabriela Velasco-Blanco José Cristóbal Román-Reyes Ciencias de la Tierra larvae Respiratory rates spotted rose snapper Oxygen consumption of different larval stages of the spotted rose snapper Lutjanus guttatus were evaluated to help design food strategies for its culture. Oxygen consumption was determined using closed respirometers at a constant temperature of 30°C in a thermoregulated bath. Six replicates and 2 control for each treatment were used. Larval stages were evaluated from 2 to 35 days after hatching (DDE). Dissolved oxygen was measured using a fiber-optic microsensor connected to an oximeter. Respiration was expressed in microliters of oxygen per milligram of dry biomass per hour (μLO2 mg-1Bs h-1). Results indicate that oxygen consumption rate (R) decreased with the age of the larvae. Higher oxygen consumption was observed in the first 5 DDE which coincides with the onset of exogenous feeding. At 14, 19 and 30 DDE respiration rates showed slight increases and appear to be associated with morphological changes of the larvae (preflexion, flexion and postflexion, respectively). The values of the exponents of the potential allometric relationship between the specific biomass respiration rate and for each individual, based on the dry biomass of the spotted rose snapper were -0.172 and 0.834 respectively. The data obtained are important to estimate oxygen demand during the larval rearing of the spotted rose snapper, and combined with nitrogen losses can be used to estimate feeding requirements based on energy losses. 2016 artículo científico 0717-3326 https://www.redalyc.org/articulo.oa?id=47945599005 es http://www.redalyc.org/revista.oa?id=479 Revista de Biología Marina y Oceanografía application/pdf Universidad de Valparaíso Revista de Biología Marina y Oceanografía (Chile) Num.1 Vol.51 |
| title | Consumo de oxígeno del pargo flamenco Lutjanus guttatus (Perciformes: Lutjanidae) durante su cultivo larval |
| topic | Ciencias de la Tierra larvae Respiratory rates spotted rose snapper |
| url | https://www.redalyc.org/articulo.oa?id=47945599005 |