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dc.contributor.author
Diaz, Marina Vera  
dc.contributor.author
Gómez, M. I.  
dc.contributor.author
Sánchez, S.  
dc.contributor.author
Fuentes, Carlos Mariano  
dc.date.available
2019-12-10T15:11:28Z  
dc.date.issued
2018-03  
dc.identifier.citation
Diaz, Marina Vera; Gómez, M. I.; Sánchez, S.; Fuentes, Carlos Mariano; Ontogenetic changes in DNA and RNA content of laboratory-reared Prochilodus lineatus larvae: use of RNA/DNA ratios as indicators of nutritional condition; Csiro Publishing; Marine and Freshwater Research; 69; 3; 3-2018; 455-463  
dc.identifier.issn
1323-1650  
dc.identifier.uri
http://hdl.handle.net/11336/91852  
dc.description.abstract
The aims of the present study were to describe the ontogenetic performance of DNA and RNA content, as well as to assess the nutritional condition of Prochilodus lineatus larvae reared under different feeding treatments. The experiment consisted of two parts, the first 6-14 days after hatching (DAH) and the second 15-21 DAH. In the first part of the experiment, larvae were kept under one of two feeding treatments: fed or starved. During the second part of the experiment, larvae were kept under one of four treatments: fed, fed until 14 DAH and later starved, starved until 14 DAH and fed later or starved. It is of note that the size and weight reached of larvae that were starved during early development and later received food were higher than those of than larvae in the other feeding treatments. In addition, instantaneous growth rates were higher and nutritional condition was better in larvae that were initially starved and fed later. The availability of food following a period of starvation seems to trigger larval metabolism and cellular division. Consequently, we recommend maintaining appropriate food provision in the aquaculture of P. lineatus larvae, especially in advanced developmental stages. We verified that RNA/DNA ratio is affected by the feeding condition and that it is sensitive enough to promptly reflect changes in feeding conditions of P. lineatus larvae. Thus, the RNA/DNA ratio could be used to assess nutritional condition of both wild and cultured P. lineatus larvae.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Csiro Publishing  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights
Atribución-NoComercial-CompartirIgual 2.5 Argentina (CC BY-NC-SA 2.5 AR)  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Fish larvae  
dc.subject
Freshwater  
dc.subject
Laboratory Calibration  
dc.subject
Nucleic Acids Content  
dc.subject
Starvation  
dc.subject.classification
Pesca  
dc.subject.classification
Agricultura, Silvicultura y Pesca  
dc.subject.classification
CIENCIAS AGRÍCOLAS  
dc.subject.classification
Pesca  
dc.subject.classification
Agricultura, Silvicultura y Pesca  
dc.subject.classification
CIENCIAS AGRÍCOLAS  
dc.title
Ontogenetic changes in DNA and RNA content of laboratory-reared Prochilodus lineatus larvae: use of RNA/DNA ratios as indicators of nutritional condition  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2019-09-27T14:56:11Z  
dc.journal.volume
69  
dc.journal.number
3  
dc.journal.pagination
455-463  
dc.journal.pais
Australia  
dc.journal.ciudad
Collingwood  
dc.description.fil
Fil: Diaz, Marina Vera. Instituto Nacional de Investigaciones y Desarrollo Pesquero; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata; Argentina  
dc.description.fil
Fil: Gómez, M. I.. Dirección de Pesca Continental; Argentina  
dc.description.fil
Fil: Sánchez, S.. Universidad Nacional del Nordeste. Facultad de Ciencias Veterinarias. Instituto de Ictiología del Nordeste; Argentina  
dc.description.fil
Fil: Fuentes, Carlos Mariano. Dirección de Pesca Continental; Argentina  
dc.journal.title
Marine and Freshwater Research  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.publish.csiro.au/?paper=MF17178  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1071/MF17178